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[INFO] Changes detected - recompiling the module!
[INFO] Compiling 202 source files to /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/target/classes
[INFO] -------------------------------------------------------------
[WARNING] COMPILATION WARNING : 
[INFO] -------------------------------------------------------------
[WARNING] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/identity/Etcd3ServiceTypeID.java: Some input files use unchecked or unsafe operations.
[WARNING] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/identity/Etcd3ServiceTypeID.java: Recompile with -Xlint:unchecked for details.
[INFO] 2 warnings 
[INFO] -------------------------------------------------------------
[INFO] -------------------------------------------------------------
[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[20,47] cannot find symbol
  symbol:   class Rx3LeaseGrpc
  location: package org.eclipse.ecf.provider.etcd3.grpc.api
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[21,60] package org.eclipse.ecf.provider.etcd3.grpc.api.Rx3LeaseGrpc does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[24,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[25,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[3,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[4,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[29,17] cannot find symbol
  symbol:   class RxLeaseStub
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[35,54] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[35,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[39,56] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[39,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[43,64] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[43,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[47,64] cannot find symbol
  symbol:   class Flowable
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[47,16] cannot find symbol
  symbol:   class Flowable
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[19,91] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[19,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[28,93] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[28,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[37,101] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[37,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[47,101] cannot find symbol
  symbol:   class Flowable
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[47,13] cannot find symbol
  symbol:   class Flowable
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[11,47] cannot find symbol
  symbol:   class Rx3WatchGrpc
  location: package org.eclipse.ecf.provider.etcd3.grpc.api
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[12,60] package org.eclipse.ecf.provider.etcd3.grpc.api.Rx3WatchGrpc does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[18,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/WatchService.java:[3,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[22,17] cannot find symbol
  symbol:   class RxWatchStub
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.WatchServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[28,46] cannot find symbol
  symbol:   class Flowable
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.WatchServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[28,16] cannot find symbol
  symbol:   class Flowable
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.WatchServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/WatchService.java:[20,83] cannot find symbol
  symbol:   class Flowable
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.WatchService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/WatchService.java:[20,13] cannot find symbol
  symbol:   class Flowable
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.WatchService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[65,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[66,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[67,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[68,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[69,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[70,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[71,39] package io.reactivex.rxjava3.schedulers does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[3,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[132,17] cannot find symbol
  symbol:   class Scheduler
  location: class org.eclipse.ecf.provider.etcd3.container.Etcd3DiscoveryContainer
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[16,81] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[16,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[27,77] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[27,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[38,93] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[38,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[50,77] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[50,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[61,88] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[61,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[3,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[16,91] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[16,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[25,93] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[25,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[34,95] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[34,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[43,89] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[43,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[52,89] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[52,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[61,91] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[61,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[70,95] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[70,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[79,111] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[79,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[88,101] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[88,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[97,103] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[97,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[106,89] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[106,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[115,89] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[115,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[124,91] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[124,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[133,95] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[133,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[142,113] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[142,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[151,115] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[151,13] cannot find symbol
  symbol:   class Single
  location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[20,47] cannot find symbol
  symbol:   class Rx3KVGrpc
  location: package org.eclipse.ecf.provider.etcd3.grpc.api
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[21,57] package org.eclipse.ecf.provider.etcd3.grpc.api.Rx3KVGrpc does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[26,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[30,17] cannot find symbol
  symbol:   class RxKVStub
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[36,44] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[36,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[40,40] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[40,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[44,56] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[44,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[48,40] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[48,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[52,51] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[52,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[56,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[60,16] cannot find symbol
  symbol:   class Single
  location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[INFO] 100 errors 
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Etcd3-based Discovery Provider 1.0.0 ............... SUCCESS [  2.640 s]
[INFO] org.eclipse.ecf.provider.etcd3 1.0.8 ............... FAILURE [ 29.129 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  01:14 min
[INFO] Finished at: 2021-10-25T07:00:19Z
[INFO] ------------------------------------------------------------------------
Waiting for Jenkins to finish collecting data
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project org.eclipse.ecf.provider.etcd3: Compilation failure: Compilation failure:
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[20,47] cannot find symbol
[ERROR] symbol:   class Rx3LeaseGrpc
[ERROR] location: package org.eclipse.ecf.provider.etcd3.grpc.api
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[21,60] package org.eclipse.ecf.provider.etcd3.grpc.api.Rx3LeaseGrpc does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[24,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[25,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[3,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[4,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[29,17] cannot find symbol
[ERROR] symbol:   class RxLeaseStub
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[35,54] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[35,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[39,56] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[39,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[43,64] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[43,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[47,64] cannot find symbol
[ERROR] symbol:   class Flowable
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/LeaseServiceClient.java:[47,16] cannot find symbol
[ERROR] symbol:   class Flowable
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.LeaseServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[19,91] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[19,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[28,93] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[28,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[37,101] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[37,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[47,101] cannot find symbol
[ERROR] symbol:   class Flowable
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/LeaseService.java:[47,13] cannot find symbol
[ERROR] symbol:   class Flowable
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.LeaseService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[11,47] cannot find symbol
[ERROR] symbol:   class Rx3WatchGrpc
[ERROR] location: package org.eclipse.ecf.provider.etcd3.grpc.api
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[12,60] package org.eclipse.ecf.provider.etcd3.grpc.api.Rx3WatchGrpc does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[18,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/WatchService.java:[3,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[22,17] cannot find symbol
[ERROR] symbol:   class RxWatchStub
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.WatchServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[28,46] cannot find symbol
[ERROR] symbol:   class Flowable
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.WatchServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/WatchServiceClient.java:[28,16] cannot find symbol
[ERROR] symbol:   class Flowable
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.WatchServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/WatchService.java:[20,83] cannot find symbol
[ERROR] symbol:   class Flowable
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.WatchService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/WatchService.java:[20,13] cannot find symbol
[ERROR] symbol:   class Flowable
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.WatchService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[65,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[66,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[67,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[68,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[69,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[70,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[71,39] package io.reactivex.rxjava3.schedulers does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[3,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/container/Etcd3DiscoveryContainer.java:[132,17] cannot find symbol
[ERROR] symbol:   class Scheduler
[ERROR] location: class org.eclipse.ecf.provider.etcd3.container.Etcd3DiscoveryContainer
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[16,81] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[16,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[27,77] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[27,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[38,93] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[38,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[50,77] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[50,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[61,88] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/KVService.java:[61,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.KVService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[3,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[16,91] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[16,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[25,93] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[25,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[34,95] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[34,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[43,89] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[43,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[52,89] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[52,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[61,91] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[61,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[70,95] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[70,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[79,111] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[79,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[88,101] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[88,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[97,103] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[97,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[106,89] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[106,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[115,89] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[115,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[124,91] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[124,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[133,95] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[133,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[142,113] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[142,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[151,115] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src-gen/main/java/org/eclipse/ecf/provider/etcd3/grpc/api/AuthService.java:[151,13] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: interface org.eclipse.ecf.provider.etcd3.grpc.api.AuthService
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[20,47] cannot find symbol
[ERROR] symbol:   class Rx3KVGrpc
[ERROR] location: package org.eclipse.ecf.provider.etcd3.grpc.api
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[21,57] package org.eclipse.ecf.provider.etcd3.grpc.api.Rx3KVGrpc does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[26,33] package io.reactivex.rxjava3.core does not exist
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[30,17] cannot find symbol
[ERROR] symbol:   class RxKVStub
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[36,44] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[36,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[40,40] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[40,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[44,56] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[44,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[48,40] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[48,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[52,51] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[52,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[56,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] /home/jenkins/agent/workspace/ecf-etcd3-discovery-provider/org.eclipse.ecf.provider.etcd3/src/main/java/org/eclipse/ecf/provider/etcd3/grpc/client/KVServiceClient.java:[60,16] cannot find symbol
[ERROR] symbol:   class Single
[ERROR] location: class org.eclipse.ecf.provider.etcd3.grpc.client.KVServiceClient
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :org.eclipse.ecf.provider.etcd3