org.apache.solr.common.SolrException: No registered leader was found, collection:collection slice:shard1

Stack Overflow | user3286012 | 3 months ago
  1. 0

    No registered leader was found error but solr dashboard clearly indicates a leader

    Stack Overflow | 3 months ago | user3286012
    org.apache.solr.common.SolrException: No registered leader was found, collection:collection slice:shard1
  2. 0

    [JENKINS] Lucene-Solr-5.x-Linux (64bit/jdk1.8.0_66) - Build # 15119 - Failure!

    lucene-dev | 11 months ago | Policeman Jenkins Server
    org.apache.solr.common.SolrException: No registered leader was found after waiting for 15000ms , collection: unloadcollection slice: shard1 at __randomizedtesting.SeedInfo.seed([956A4E7DEA846361:1D3E71A744780E99]:0)
  3. 0

    [JENKINS-MAVEN] Lucene-Solr-Maven-4.x #101: POMs out of sync - Grokbase

    grokbase.com | 6 months ago
    org.apache.solr.common.SolrException: No registered leader was found, collection:collection1 slice:shard1
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  5. 0

    [JENKINS-MAVEN] Lucene-Solr-Maven-4.x #101: POMs out of sync - Grokbase

    grokbase.com | 6 months ago
    org.apache.solr.common.SolrException: No registered leader was found, collection:collection1 slice:shard1
  6. 0

    setup: 1 node, 4 cores, 2 shards. 15 documents indexed. problem: init stage times out. probable cause: According to the init flow, cores are initialized one by one synchronously. Actually, the main thread waits ShardLeaderElectionContext.waitForReplicasToComeUp until retry threshold, while replica cores are not yet initialized, in other words there is no chance other replicas go up in the meanwhile. stack trace: Thread [main] (Suspended) owns: HashMap<K,V> (id=3876) owns: StandardContext (id=3877) owns: HashMap<K,V> (id=3878) owns: StandardHost (id=3879) owns: StandardEngine (id=3880) owns: Service[] (id=3881) Thread.sleep(long) line: not available [native method] ShardLeaderElectionContext.waitForReplicasToComeUp(boolean, String) line: 298 ShardLeaderElectionContext.runLeaderProcess(boolean) line: 143 LeaderElector.runIamLeaderProcess(ElectionContext, boolean) line: 152 LeaderElector.checkIfIamLeader(int, ElectionContext, boolean) line: 96 LeaderElector.joinElection(ElectionContext) line: 262 ZkController.joinElection(CoreDescriptor, boolean) line: 733 ZkController.register(String, CoreDescriptor, boolean, boolean) line: 566 ZkController.register(String, CoreDescriptor) line: 532 CoreContainer.registerInZk(SolrCore) line: 709 CoreContainer.register(String, SolrCore, boolean) line: 693 CoreContainer.load(String, InputSource) line: 535 CoreContainer.load(String, File) line: 356 CoreContainer$Initializer.initialize() line: 308 SolrDispatchFilter.init(FilterConfig) line: 107 ApplicationFilterConfig.getFilter() line: 295 ApplicationFilterConfig.setFilterDef(FilterDef) line: 422 ApplicationFilterConfig.<init>(Context, FilterDef) line: 115 StandardContext.filterStart() line: 4072 StandardContext.start() line: 4726 StandardHost(ContainerBase).addChildInternal(Container) line: 799 StandardHost(ContainerBase).addChild(Container) line: 779 StandardHost.addChild(Container) line: 601 HostConfig.deployDescriptor(String, File, String) line: 675 HostConfig.deployDescriptors(File, String[]) line: 601 HostConfig.deployApps() line: 502 HostConfig.start() line: 1317 HostConfig.lifecycleEvent(LifecycleEvent) line: 324 LifecycleSupport.fireLifecycleEvent(String, Object) line: 142 StandardHost(ContainerBase).start() line: 1065 StandardHost.start() line: 840 StandardEngine(ContainerBase).start() line: 1057 StandardEngine.start() line: 463 StandardService.start() line: 525 StandardServer.start() line: 754 Catalina.start() line: 595 NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method] NativeMethodAccessorImpl.invoke(Object, Object[]) line: not available DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: not available Method.invoke(Object, Object...) line: not available Bootstrap.start() line: 289 Bootstrap.main(String[]) line: 414 After a while, the session times out and following exception appears: Oct 25, 2012 1:16:56 PM org.apache.solr.cloud.ShardLeaderElectionContext waitForReplicasToComeUp INFO: Waiting until we see more replicas up: total=2 found=0 timeoutin=-95 Oct 25, 2012 1:16:56 PM org.apache.solr.cloud.ShardLeaderElectionContext waitForReplicasToComeUp INFO: Was waiting for replicas to come up, but they are taking too long - assuming they won't come back till later Oct 25, 2012 1:16:56 PM org.apache.solr.common.SolrException log SEVERE: Errir checking for the number of election participants:org.apache.zookeeper.KeeperException$SessionExpiredException: KeeperErrorCode = Session expired for /collections/collection1/leader_elect/shard2/election at org.apache.zookeeper.KeeperException.create(KeeperException.java:118) at org.apache.zookeeper.KeeperException.create(KeeperException.java:42) at org.apache.zookeeper.ZooKeeper.getChildren(ZooKeeper.java:1249) at org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:227) at org.apache.solr.common.cloud.SolrZkClient$6.execute(SolrZkClient.java:224) at org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:63) at org.apache.solr.common.cloud.SolrZkClient.getChildren(SolrZkClient.java:224) at org.apache.solr.cloud.ShardLeaderElectionContext.waitForReplicasToComeUp(ElectionContext.java:276) at org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:143) at org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:152) at org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:96) at org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:262) at org.apache.solr.cloud.ZkController.joinElection(ZkController.java:733) at org.apache.solr.cloud.ZkController.register(ZkController.java:566) at org.apache.solr.cloud.ZkController.register(ZkController.java:532) at org.apache.solr.core.CoreContainer.registerInZk(CoreContainer.java:709) at org.apache.solr.core.CoreContainer.register(CoreContainer.java:693) at org.apache.solr.core.CoreContainer.load(CoreContainer.java:535) at org.apache.solr.core.CoreContainer.load(CoreContainer.java:356) at org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:308) at org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:107) at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:295) at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:422) at org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:115) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4072) at org.apache.catalina.core.StandardContext.start(StandardContext.java:4726) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:799) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:779) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:601) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:675) at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:601) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:502) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1317) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:324) at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:142) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1065) at org.apache.catalina.core.StandardHost.start(StandardHost.java:840) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463) at org.apache.catalina.core.StandardService.start(StandardService.java:525) at org.apache.catalina.core.StandardServer.start(StandardServer.java:754) at org.apache.catalina.startup.Catalina.start(Catalina.java:595) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414) Followed by: Oct 25, 2012 1:17:27 PM org.apache.solr.cloud.RecoveryStrategy doRecovery SEVERE: Recovery failed - trying again... core=collection1 Oct 25, 2012 1:18:32 PM org.apache.solr.common.SolrException log SEVERE: Error while trying to recover. core=collection1 Oct 25, 2012 1:18:32 PM org.apache.solr.common.SolrException log SEVERE: Error while trying to recover. core=collection1:org.apache.solr.common.SolrException: No registered leader was found, collection:collection1 slice:shard1 at org.apache.solr.common.cloud.ZkStateReader.getLeaderProps(ZkStateReader.java:413) at org.apache.solr.common.cloud.ZkStateReader.getLeaderProps(ZkStateReader.java:399) at org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:318) at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:220)

    Apache's JIRA Issue Tracker | 4 years ago | Alexey Kudinov
    org.apache.solr.common.SolrException: No registered leader was found, collection:collection1 slice:shard1

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    Root Cause Analysis

    1. org.apache.solr.common.SolrException

      No registered leader was found, collection:collection slice:shard1

      at org.apache.solr.common.cloud.ZkStateReader.getLeaderProps()
    2. Apache Solr Solrj
      ZkStateReader.getLeaderUrl
      1. org.apache.solr.common.cloud.ZkStateReader.getLeaderProps(ZkStateReader.java:413)
      2. org.apache.solr.common.cloud.ZkStateReader.getLeaderUrl(ZkStateReader.java:390)
      2 frames
    3. Unknown
      SolrImptMain.main
      1. SolrImptMain.main(SolrImptMain.java:50)
      1 frame