Hi,

Since the 2012-09-17 11:10:41 build shards start to have trouble coming back 
online. When i restart one node the slices on the other nodes are throwing 
exceptions and cannot be queried. I'm not sure how to remedy the problem but 
stopping a node or restarting it a few times seems to help it. The problem is 
when i restart a node, and it happens, i must not restart another node because 
that may trigger other slices becoming unavailable.

Here are some parts of the log:

2012-09-19 14:13:18,149 ERROR [solr.cloud.RecoveryStrategy] - [RecoveryThread] 
- : Recovery failed - trying again... core=oi_i
2012-09-19 14:13:25,818 WARN [solr.cloud.RecoveryStrategy] - [main-EventThread] 
- : Stopping recovery for zkNodeName=nl10.host:8080_solr_oi_icore=oi_i
2012-09-19 14:13:44,497 WARN [solr.cloud.RecoveryStrategy] - [Thread-4] - : 
Stopping recovery for zkNodeName=nl10.host:8080_solr_oi_jcore=oi_j
2012-09-19 14:14:00,321 ERROR [solr.cloud.RecoveryStrategy] - [RecoveryThread] 
- : Error while trying to recover. 
core=oi_i:org.apache.solr.common.SolrException: We are not the leader
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:402)
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.request(HttpSolrServer.java:182)
        at 
org.apache.solr.cloud.RecoveryStrategy.sendPrepRecoveryCmd(RecoveryStrategy.java:199)
        at 
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:388)
        at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:220)

2012-09-19 14:14:00,321 ERROR [solr.cloud.RecoveryStrategy] - [RecoveryThread] 
- : Recovery failed - trying again... core=oi_i
2012-09-19 14:14:00,321 ERROR [solr.cloud.RecoveryStrategy] - [RecoveryThread] 
- : Recovery failed - max retries exceeded. core=oi_i
2012-09-19 14:14:00,321 ERROR [solr.cloud.RecoveryStrategy] - [RecoveryThread] 
- : Recovery failed - I give up. core=oi_i
2012-09-19 14:14:00,333 WARN [solr.cloud.RecoveryStrategy] - [RecoveryThread] - 
: Stopping recovery for zkNodeName=nl10.host:8080_solr_oi_icore=oi_i
 ERROR [solr.cloud.SyncStrategy] - [main-EventThread] - : Sync request error: 
java.lang.NullPointerException
 ERROR [solr.cloud.SyncStrategy] - [main-EventThread] - : 
http://nl10.host:8080/solr/oi_i/: Could not tell a replica to 
recover:java.lang.NullPointerException
        at org.slf4j.impl.Log4jLoggerAdapter.info(Log4jLoggerAdapter.java:305)
        at 
org.apache.solr.client.solrj.impl.HttpClientUtil.createClient(HttpClientUtil.java:102)
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.<init>(HttpSolrServer.java:155)
        at 
org.apache.solr.client.solrj.impl.HttpSolrServer.<init>(HttpSolrServer.java:128)
        at org.apache.solr.cloud.SyncStrategy$1.run(SyncStrategy.java:262)
        at 
org.apache.solr.cloud.SyncStrategy.requestRecovery(SyncStrategy.java:272)
        at org.apache.solr.cloud.SyncStrategy.syncToMe(SyncStrategy.java:203)
        at 
org.apache.solr.cloud.SyncStrategy.syncReplicas(SyncStrategy.java:125)
        at org.apache.solr.cloud.SyncStrategy.sync(SyncStrategy.java:87)
        at 
org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:169)
        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:158)
        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:102)
        at 
org.apache.solr.cloud.LeaderElector.joinElection(LeaderElector.java:275)
        at 
org.apache.solr.cloud.ShardLeaderElectionContext.rejoinLeaderElection(ElectionContext.java:326)
        at 
org.apache.solr.cloud.ShardLeaderElectionContext.runLeaderProcess(ElectionContext.java:159)
        at 
org.apache.solr.cloud.LeaderElector.runIamLeaderProcess(LeaderElector.java:158)
        at 
org.apache.solr.cloud.LeaderElector.checkIfIamLeader(LeaderElector.java:102)
        at org.apache.solr.cloud.LeaderElector.access$000(LeaderElector.java:56)
        at org.apache.solr.cloud.LeaderElector$1.process(LeaderElector.java:131)
        at 
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:526)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)

 ERROR [apache.zookeeper.ClientCnxn] - [main-EventThread] - : Error while 
calling watcher 
java.lang.NullPointerException
        at org.apache.solr.cloud.LeaderElector$1.process(LeaderElector.java:139)
        at 
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:526)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
 ERROR [apache.zookeeper.ClientCnxn] - [main-EventThread] - : Error while 
calling watcher 
java.lang.NullPointerException
        at 
org.apache.solr.common.cloud.ZkStateReader$3.process(ZkStateReader.java:238)
        at 
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:526)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
 ERROR [apache.zookeeper.ClientCnxn] - [main-EventThread] - : Error while 
calling watcher 
java.lang.NullPointerException
        at 
org.apache.solr.common.cloud.ZkStateReader$2.process(ZkStateReader.java:189)
        at 
org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:526)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:502)
2012-09-19 14:14:05,304 WARN [solr.core.CoreContainer] - [main] - : Log 
watching is not yet implemented for log4j
2012-09-19 14:14:08,504 WARN [solr.core.SolrCore] - [main] - : New index 
directory detected: old=null 
new=/opt/solr/cores/oi_j/data/index.20120823134824608
2012-09-19 14:14:10,895 WARN [solr.core.SolrCore] - [main] - : New index 
directory detected: old=null new=/opt/solr/cores/oi_i/data/index/
2012-09-19 14:14:41,203 ERROR [solr.cloud.ZkController] - [main] - : Error 
getting leader from zk
org.apache.solr.common.SolrException: Could not get leader props
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:762)
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:722)
        at org.apache.solr.cloud.ZkController.getLeader(ZkController.java:687)
        at org.apache.solr.cloud.ZkController.register(ZkController.java:626)
        at org.apache.solr.cloud.ZkController.register(ZkController.java:576)
        at 
org.apache.solr.core.CoreContainer.registerInZk(CoreContainer.java:721)
        at org.apache.solr.core.CoreContainer.register(CoreContainer.java:705)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:547)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:365)
        at 
org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:314)
        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(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: org.apache.zookeeper.KeeperException$NoNodeException: 
KeeperErrorCode = NoNode for /collections/oi/leaders/shard9
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:102)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
        at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:927)
        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:301)
        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:298)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:67)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:298)
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:740)
        ... 37 more
2012-09-19 14:14:41,239 ERROR [solr.core.CoreContainer] - [main] - : 
:org.apache.solr.common.SolrException: Error getting leader from zk
        at org.apache.solr.cloud.ZkController.getLeader(ZkController.java:711)
        at org.apache.solr.cloud.ZkController.register(ZkController.java:626)
        at org.apache.solr.cloud.ZkController.register(ZkController.java:576)
        at 
org.apache.solr.core.CoreContainer.registerInZk(CoreContainer.java:721)
        at org.apache.solr.core.CoreContainer.register(CoreContainer.java:705)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:547)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:365)
        at 
org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:314)
        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(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: org.apache.solr.common.SolrException: Could not get leader props
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:762)
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:722)
        at org.apache.solr.cloud.ZkController.getLeader(ZkController.java:687)
        ... 35 more
Caused by: org.apache.zookeeper.KeeperException$NoNodeException: 
KeeperErrorCode = NoNode for /collections/oi/leaders/shard9
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:102)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
        at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:927)
        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:301)
        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:298)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:67)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:298)
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:740)
        ... 37 more
2012-09-19 14:14:41,239 ERROR [solr.core.CoreContainer] - [main] - : 
null:org.apache.solr.common.cloud.ZooKeeperException: 
        at 
org.apache.solr.core.CoreContainer.registerInZk(CoreContainer.java:744)
        at org.apache.solr.core.CoreContainer.register(CoreContainer.java:705)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:547)
        at org.apache.solr.core.CoreContainer.load(CoreContainer.java:365)
        at 
org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:314)
        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(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
Caused by: org.apache.solr.common.SolrException: Error getting leader from zk
        at org.apache.solr.cloud.ZkController.getLeader(ZkController.java:711)
        at org.apache.solr.cloud.ZkController.register(ZkController.java:626)
        at org.apache.solr.cloud.ZkController.register(ZkController.java:576)
        at 
org.apache.solr.core.CoreContainer.registerInZk(CoreContainer.java:721)
        ... 32 more
Caused by: org.apache.solr.common.SolrException: Could not get leader props
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:762)
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:722)
        at org.apache.solr.cloud.ZkController.getLeader(ZkController.java:687)
        ... 35 more
Caused by: org.apache.zookeeper.KeeperException$NoNodeException: 
KeeperErrorCode = NoNode for /collections/oi/leaders/shard9
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:102)
        at org.apache.zookeeper.KeeperException.create(KeeperException.java:42)
        at org.apache.zookeeper.ZooKeeper.getData(ZooKeeper.java:927)
        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:301)
        at 
org.apache.solr.common.cloud.SolrZkClient$7.execute(SolrZkClient.java:298)
        at 
org.apache.solr.common.cloud.ZkCmdExecutor.retryOperation(ZkCmdExecutor.java:67)
        at 
org.apache.solr.common.cloud.SolrZkClient.getData(SolrZkClient.java:298)
        at 
org.apache.solr.cloud.ZkController.getLeaderProps(ZkController.java:740)
        ... 37 more

This does not happen with an older build of september 11th.

Thanks, 
Markus

Reply via email to