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Posted to dev@lucene.apache.org by "Shikhar Bhushan (JIRA)" <ji...@apache.org> on 2015/05/14 20:07:59 UTC

[jira] [Updated] (LUCENE-6482) Class loading deadlock relating to NamedSPILoader

     [ https://issues.apache.org/jira/browse/LUCENE-6482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shikhar Bhushan updated LUCENE-6482:
------------------------------------
    Description: 
This issue came up for us several times with Elasticsearch 1.3.4 (Lucene 4.9.1), with many threads seeming deadlocked but RUNNABLE:
{noformat}
"elasticsearch[blabla-es0][clusterService#updateTask][T#1]" #79 daemon prio=5 os_prio=0 tid=0x00007fd16988d000 nid=0x6e01 waiting on condition [0x00007fd0bc279000]
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
    - parking to wait for  <0x0000000614a22508> (a org.elasticsearch.common.util.concurrent.BaseFuture$Sync)
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
    at org.elasticsearch.common.util.concurrent.BaseFuture$Sync.get(BaseFuture.java:274)
    at org.elasticsearch.common.util.concurrent.BaseFuture.get(BaseFuture.java:113)
    at org.elasticsearch.action.support.AdapterActionFuture.actionGet(AdapterActionFuture.java:45)
    at org.elasticsearch.gateway.local.LocalGatewayAllocator.buildShardStores(LocalGatewayAllocator.java:443)
    at org.elasticsearch.gateway.local.LocalGatewayAllocator.allocateUnassigned(LocalGatewayAllocator.java:281)
    at org.elasticsearch.cluster.routing.allocation.allocator.ShardsAllocators.allocateUnassigned(ShardsAllocators.java:74)
    at org.elasticsearch.cluster.routing.allocation.AllocationService.reroute(AllocationService.java:217)
    at org.elasticsearch.cluster.routing.allocation.AllocationService.applyStartedShards(AllocationService.java:86)
    at org.elasticsearch.cluster.action.shard.ShardStateAction$4.execute(ShardStateAction.java:278)
    at org.elasticsearch.cluster.service.InternalClusterService$UpdateTask.run(InternalClusterService.java:328)
    at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:153)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
{noformat}

It didn't really make sense to see RUNNABLE threads in Object.wait(), but this seems to be symptomatic of deadlocks in static initialization (http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html).

I found LUCENE-5573 as an instance of this having come up with Lucene code before.

I'm not sure what exactly is going on, but the deadlock in this case seems to involve these threads:

{noformat}
"elasticsearch[search77-es2][clusterService#updateTask][T#1]" #79 daemon prio=5 os_prio=0 tid=0x00007f7b155ff800 nid=0xd49 in Object.wait() [0x00007f79daed8000]
   java.lang.Thread.State: RUNNABLE
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
	at java.lang.Class.newInstance(Class.java:433)
	at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:67)
	- locked <0x000000061fef4968> (a org.apache.lucene.util.NamedSPILoader)
	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:47)
	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:37)
	at org.apache.lucene.codecs.PostingsFormat.<clinit>(PostingsFormat.java:44)
	at org.elasticsearch.index.codec.postingsformat.PostingFormats.<clinit>(PostingFormats.java:67)
	at org.elasticsearch.index.codec.CodecModule.configurePostingsFormats(CodecModule.java:126)
	at org.elasticsearch.index.codec.CodecModule.configure(CodecModule.java:178)
	at org.elasticsearch.common.inject.AbstractModule.configure(AbstractModule.java:60)
	- locked <0x000000061fef49e8> (a org.elasticsearch.index.codec.CodecModule)
	at org.elasticsearch.common.inject.spi.Elements$RecordingBinder.install(Elements.java:204)
	at org.elasticsearch.common.inject.spi.Elements.getElements(Elements.java:85)
	at org.elasticsearch.common.inject.InjectorShell$Builder.build(InjectorShell.java:130)
	at org.elasticsearch.common.inject.InjectorBuilder.build(InjectorBuilder.java:99)
	- locked <0x000000061fef4c10> (a org.elasticsearch.common.inject.InheritingState)
	at org.elasticsearch.common.inject.InjectorImpl.createChildInjector(InjectorImpl.java:131)
	at org.elasticsearch.common.inject.ModulesBuilder.createChildInjector(ModulesBuilder.java:69)
	at org.elasticsearch.indices.InternalIndicesService.createIndex(InternalIndicesService.java:296)
	- locked <0x000000061fef4cd0> (a org.elasticsearch.indices.InternalIndicesService)
	at org.elasticsearch.indices.cluster.IndicesClusterStateService.applyNewIndices(IndicesClusterStateService.java:312)
	at org.elasticsearch.indices.cluster.IndicesClusterStateService.clusterChanged(IndicesClusterStateService.java:181)
	- locked <0x000000061fef4e70> (a java.lang.Object)
	at org.elasticsearch.cluster.service.InternalClusterService$UpdateTask.run(InternalClusterService.java:444)
	at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:153)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
{noformat}

{noformat}
"elasticsearch[search77-es2][generic][T#1]" #80 daemon prio=5 os_prio=0 tid=0x00007f794400a000 nid=0xd4b in Object.wait() [0x00007f79dac56000]
   java.lang.Thread.State: RUNNABLE
	at org.apache.lucene.codecs.simpletext.SimpleTextCodec.<init>(SimpleTextCodec.java:37)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
	at java.lang.Class.newInstance(Class.java:433)
	at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:67)
	- locked <0x000000061fcf1f50> (a org.apache.lucene.util.NamedSPILoader)
	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:47)
	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:37)
	at org.apache.lucene.codecs.Codec.<clinit>(Codec.java:41)
	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:359)
	at org.apache.lucene.index.SegmentInfos$1.doBody(SegmentInfos.java:457)
	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:912)
	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:758)
	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:453)
	at org.elasticsearch.common.lucene.Lucene.readSegmentInfos(Lucene.java:98)
	at org.elasticsearch.index.store.Store.readSegmentsInfo(Store.java:126)
	at org.elasticsearch.index.store.Store.access$300(Store.java:76)
	at org.elasticsearch.index.store.Store$MetadataSnapshot.buildMetadata(Store.java:465)
	at org.elasticsearch.index.store.Store$MetadataSnapshot.<init>(Store.java:456)
	at org.elasticsearch.index.store.Store.readMetadataSnapshot(Store.java:281)
	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.listStoreMetaData(TransportNodesListShardStoreMetaData.java:186)
	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.nodeOperation(TransportNodesListShardStoreMetaData.java:140)
	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.nodeOperation(TransportNodesListShardStoreMetaData.java:61)
	at org.elasticsearch.action.support.nodes.TransportNodesOperationAction$NodeTransportHandler.messageReceived(TransportNodesOperationAction.java:277)
	at org.elasticsearch.action.support.nodes.TransportNodesOperationAction$NodeTransportHandler.messageReceived(TransportNodesOperationAction.java:268)
	at org.elasticsearch.transport.netty.MessageChannelHandler$RequestHandler.run(MessageChannelHandler.java:275)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
{noformat}

Full thread dump: https://gist.github.com/shikhar/d0f6d2d008f45d2d4f91

  was:
This issue came up for us several times with Elasticsearch 1.3.4 (Lucene 4.9.1), seeing many threads seeming deadlocked but RUNNABLE:
{noformat}
"elasticsearch[blabla-es0][clusterService#updateTask][T#1]" #79 daemon prio=5 os_prio=0 tid=0x00007fd16988d000 nid=0x6e01 waiting on condition [0x00007fd0bc279000]
   java.lang.Thread.State: WAITING (parking)
    at sun.misc.Unsafe.park(Native Method)
    - parking to wait for  <0x0000000614a22508> (a org.elasticsearch.common.util.concurrent.BaseFuture$Sync)
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
    at org.elasticsearch.common.util.concurrent.BaseFuture$Sync.get(BaseFuture.java:274)
    at org.elasticsearch.common.util.concurrent.BaseFuture.get(BaseFuture.java:113)
    at org.elasticsearch.action.support.AdapterActionFuture.actionGet(AdapterActionFuture.java:45)
    at org.elasticsearch.gateway.local.LocalGatewayAllocator.buildShardStores(LocalGatewayAllocator.java:443)
    at org.elasticsearch.gateway.local.LocalGatewayAllocator.allocateUnassigned(LocalGatewayAllocator.java:281)
    at org.elasticsearch.cluster.routing.allocation.allocator.ShardsAllocators.allocateUnassigned(ShardsAllocators.java:74)
    at org.elasticsearch.cluster.routing.allocation.AllocationService.reroute(AllocationService.java:217)
    at org.elasticsearch.cluster.routing.allocation.AllocationService.applyStartedShards(AllocationService.java:86)
    at org.elasticsearch.cluster.action.shard.ShardStateAction$4.execute(ShardStateAction.java:278)
    at org.elasticsearch.cluster.service.InternalClusterService$UpdateTask.run(InternalClusterService.java:328)
    at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:153)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
    at java.lang.Thread.run(Thread.java:745)
{noformat}

It didn't really make sense to see RUNNABLE threads in Object.wait(), but this seems to be symptomatic of deadlocks in static initialization (http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html).

I found LUCENE-5573 as an instance of this having come up with Lucene code before.

I'm not sure what exactly is going on, but the deadlock in this case seems to involve these threads:

{noformat}
"elasticsearch[search77-es2][clusterService#updateTask][T#1]" #79 daemon prio=5 os_prio=0 tid=0x00007f7b155ff800 nid=0xd49 in Object.wait() [0x00007f79daed8000]
   java.lang.Thread.State: RUNNABLE
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
	at java.lang.Class.newInstance(Class.java:433)
	at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:67)
	- locked <0x000000061fef4968> (a org.apache.lucene.util.NamedSPILoader)
	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:47)
	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:37)
	at org.apache.lucene.codecs.PostingsFormat.<clinit>(PostingsFormat.java:44)
	at org.elasticsearch.index.codec.postingsformat.PostingFormats.<clinit>(PostingFormats.java:67)
	at org.elasticsearch.index.codec.CodecModule.configurePostingsFormats(CodecModule.java:126)
	at org.elasticsearch.index.codec.CodecModule.configure(CodecModule.java:178)
	at org.elasticsearch.common.inject.AbstractModule.configure(AbstractModule.java:60)
	- locked <0x000000061fef49e8> (a org.elasticsearch.index.codec.CodecModule)
	at org.elasticsearch.common.inject.spi.Elements$RecordingBinder.install(Elements.java:204)
	at org.elasticsearch.common.inject.spi.Elements.getElements(Elements.java:85)
	at org.elasticsearch.common.inject.InjectorShell$Builder.build(InjectorShell.java:130)
	at org.elasticsearch.common.inject.InjectorBuilder.build(InjectorBuilder.java:99)
	- locked <0x000000061fef4c10> (a org.elasticsearch.common.inject.InheritingState)
	at org.elasticsearch.common.inject.InjectorImpl.createChildInjector(InjectorImpl.java:131)
	at org.elasticsearch.common.inject.ModulesBuilder.createChildInjector(ModulesBuilder.java:69)
	at org.elasticsearch.indices.InternalIndicesService.createIndex(InternalIndicesService.java:296)
	- locked <0x000000061fef4cd0> (a org.elasticsearch.indices.InternalIndicesService)
	at org.elasticsearch.indices.cluster.IndicesClusterStateService.applyNewIndices(IndicesClusterStateService.java:312)
	at org.elasticsearch.indices.cluster.IndicesClusterStateService.clusterChanged(IndicesClusterStateService.java:181)
	- locked <0x000000061fef4e70> (a java.lang.Object)
	at org.elasticsearch.cluster.service.InternalClusterService$UpdateTask.run(InternalClusterService.java:444)
	at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:153)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
{noformat}

{noformat}
"elasticsearch[search77-es2][generic][T#1]" #80 daemon prio=5 os_prio=0 tid=0x00007f794400a000 nid=0xd4b in Object.wait() [0x00007f79dac56000]
   java.lang.Thread.State: RUNNABLE
	at org.apache.lucene.codecs.simpletext.SimpleTextCodec.<init>(SimpleTextCodec.java:37)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
	at java.lang.Class.newInstance(Class.java:433)
	at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:67)
	- locked <0x000000061fcf1f50> (a org.apache.lucene.util.NamedSPILoader)
	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:47)
	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:37)
	at org.apache.lucene.codecs.Codec.<clinit>(Codec.java:41)
	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:359)
	at org.apache.lucene.index.SegmentInfos$1.doBody(SegmentInfos.java:457)
	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:912)
	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:758)
	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:453)
	at org.elasticsearch.common.lucene.Lucene.readSegmentInfos(Lucene.java:98)
	at org.elasticsearch.index.store.Store.readSegmentsInfo(Store.java:126)
	at org.elasticsearch.index.store.Store.access$300(Store.java:76)
	at org.elasticsearch.index.store.Store$MetadataSnapshot.buildMetadata(Store.java:465)
	at org.elasticsearch.index.store.Store$MetadataSnapshot.<init>(Store.java:456)
	at org.elasticsearch.index.store.Store.readMetadataSnapshot(Store.java:281)
	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.listStoreMetaData(TransportNodesListShardStoreMetaData.java:186)
	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.nodeOperation(TransportNodesListShardStoreMetaData.java:140)
	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.nodeOperation(TransportNodesListShardStoreMetaData.java:61)
	at org.elasticsearch.action.support.nodes.TransportNodesOperationAction$NodeTransportHandler.messageReceived(TransportNodesOperationAction.java:277)
	at org.elasticsearch.action.support.nodes.TransportNodesOperationAction$NodeTransportHandler.messageReceived(TransportNodesOperationAction.java:268)
	at org.elasticsearch.transport.netty.MessageChannelHandler$RequestHandler.run(MessageChannelHandler.java:275)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
{noformat}

Full thread dump: https://gist.github.com/shikhar/d0f6d2d008f45d2d4f91


> Class loading deadlock relating to NamedSPILoader
> -------------------------------------------------
>
>                 Key: LUCENE-6482
>                 URL: https://issues.apache.org/jira/browse/LUCENE-6482
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Shikhar Bhushan
>
> This issue came up for us several times with Elasticsearch 1.3.4 (Lucene 4.9.1), with many threads seeming deadlocked but RUNNABLE:
> {noformat}
> "elasticsearch[blabla-es0][clusterService#updateTask][T#1]" #79 daemon prio=5 os_prio=0 tid=0x00007fd16988d000 nid=0x6e01 waiting on condition [0x00007fd0bc279000]
>    java.lang.Thread.State: WAITING (parking)
>     at sun.misc.Unsafe.park(Native Method)
>     - parking to wait for  <0x0000000614a22508> (a org.elasticsearch.common.util.concurrent.BaseFuture$Sync)
>     at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
>     at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
>     at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
>     at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
>     at org.elasticsearch.common.util.concurrent.BaseFuture$Sync.get(BaseFuture.java:274)
>     at org.elasticsearch.common.util.concurrent.BaseFuture.get(BaseFuture.java:113)
>     at org.elasticsearch.action.support.AdapterActionFuture.actionGet(AdapterActionFuture.java:45)
>     at org.elasticsearch.gateway.local.LocalGatewayAllocator.buildShardStores(LocalGatewayAllocator.java:443)
>     at org.elasticsearch.gateway.local.LocalGatewayAllocator.allocateUnassigned(LocalGatewayAllocator.java:281)
>     at org.elasticsearch.cluster.routing.allocation.allocator.ShardsAllocators.allocateUnassigned(ShardsAllocators.java:74)
>     at org.elasticsearch.cluster.routing.allocation.AllocationService.reroute(AllocationService.java:217)
>     at org.elasticsearch.cluster.routing.allocation.AllocationService.applyStartedShards(AllocationService.java:86)
>     at org.elasticsearch.cluster.action.shard.ShardStateAction$4.execute(ShardStateAction.java:278)
>     at org.elasticsearch.cluster.service.InternalClusterService$UpdateTask.run(InternalClusterService.java:328)
>     at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:153)
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
>     at java.lang.Thread.run(Thread.java:745)
> {noformat}
> It didn't really make sense to see RUNNABLE threads in Object.wait(), but this seems to be symptomatic of deadlocks in static initialization (http://ternarysearch.blogspot.ru/2013/07/static-initialization-deadlock.html).
> I found LUCENE-5573 as an instance of this having come up with Lucene code before.
> I'm not sure what exactly is going on, but the deadlock in this case seems to involve these threads:
> {noformat}
> "elasticsearch[search77-es2][clusterService#updateTask][T#1]" #79 daemon prio=5 os_prio=0 tid=0x00007f7b155ff800 nid=0xd49 in Object.wait() [0x00007f79daed8000]
>    java.lang.Thread.State: RUNNABLE
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
> 	at java.lang.Class.newInstance(Class.java:433)
> 	at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:67)
> 	- locked <0x000000061fef4968> (a org.apache.lucene.util.NamedSPILoader)
> 	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:47)
> 	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:37)
> 	at org.apache.lucene.codecs.PostingsFormat.<clinit>(PostingsFormat.java:44)
> 	at org.elasticsearch.index.codec.postingsformat.PostingFormats.<clinit>(PostingFormats.java:67)
> 	at org.elasticsearch.index.codec.CodecModule.configurePostingsFormats(CodecModule.java:126)
> 	at org.elasticsearch.index.codec.CodecModule.configure(CodecModule.java:178)
> 	at org.elasticsearch.common.inject.AbstractModule.configure(AbstractModule.java:60)
> 	- locked <0x000000061fef49e8> (a org.elasticsearch.index.codec.CodecModule)
> 	at org.elasticsearch.common.inject.spi.Elements$RecordingBinder.install(Elements.java:204)
> 	at org.elasticsearch.common.inject.spi.Elements.getElements(Elements.java:85)
> 	at org.elasticsearch.common.inject.InjectorShell$Builder.build(InjectorShell.java:130)
> 	at org.elasticsearch.common.inject.InjectorBuilder.build(InjectorBuilder.java:99)
> 	- locked <0x000000061fef4c10> (a org.elasticsearch.common.inject.InheritingState)
> 	at org.elasticsearch.common.inject.InjectorImpl.createChildInjector(InjectorImpl.java:131)
> 	at org.elasticsearch.common.inject.ModulesBuilder.createChildInjector(ModulesBuilder.java:69)
> 	at org.elasticsearch.indices.InternalIndicesService.createIndex(InternalIndicesService.java:296)
> 	- locked <0x000000061fef4cd0> (a org.elasticsearch.indices.InternalIndicesService)
> 	at org.elasticsearch.indices.cluster.IndicesClusterStateService.applyNewIndices(IndicesClusterStateService.java:312)
> 	at org.elasticsearch.indices.cluster.IndicesClusterStateService.clusterChanged(IndicesClusterStateService.java:181)
> 	- locked <0x000000061fef4e70> (a java.lang.Object)
> 	at org.elasticsearch.cluster.service.InternalClusterService$UpdateTask.run(InternalClusterService.java:444)
> 	at org.elasticsearch.common.util.concurrent.PrioritizedEsThreadPoolExecutor$TieBreakingPrioritizedRunnable.run(PrioritizedEsThreadPoolExecutor.java:153)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> {noformat}
> "elasticsearch[search77-es2][generic][T#1]" #80 daemon prio=5 os_prio=0 tid=0x00007f794400a000 nid=0xd4b in Object.wait() [0x00007f79dac56000]
>    java.lang.Thread.State: RUNNABLE
> 	at org.apache.lucene.codecs.simpletext.SimpleTextCodec.<init>(SimpleTextCodec.java:37)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
> 	at java.lang.Class.newInstance(Class.java:433)
> 	at org.apache.lucene.util.NamedSPILoader.reload(NamedSPILoader.java:67)
> 	- locked <0x000000061fcf1f50> (a org.apache.lucene.util.NamedSPILoader)
> 	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:47)
> 	at org.apache.lucene.util.NamedSPILoader.<init>(NamedSPILoader.java:37)
> 	at org.apache.lucene.codecs.Codec.<clinit>(Codec.java:41)
> 	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:359)
> 	at org.apache.lucene.index.SegmentInfos$1.doBody(SegmentInfos.java:457)
> 	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:912)
> 	at org.apache.lucene.index.SegmentInfos$FindSegmentsFile.run(SegmentInfos.java:758)
> 	at org.apache.lucene.index.SegmentInfos.read(SegmentInfos.java:453)
> 	at org.elasticsearch.common.lucene.Lucene.readSegmentInfos(Lucene.java:98)
> 	at org.elasticsearch.index.store.Store.readSegmentsInfo(Store.java:126)
> 	at org.elasticsearch.index.store.Store.access$300(Store.java:76)
> 	at org.elasticsearch.index.store.Store$MetadataSnapshot.buildMetadata(Store.java:465)
> 	at org.elasticsearch.index.store.Store$MetadataSnapshot.<init>(Store.java:456)
> 	at org.elasticsearch.index.store.Store.readMetadataSnapshot(Store.java:281)
> 	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.listStoreMetaData(TransportNodesListShardStoreMetaData.java:186)
> 	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.nodeOperation(TransportNodesListShardStoreMetaData.java:140)
> 	at org.elasticsearch.indices.store.TransportNodesListShardStoreMetaData.nodeOperation(TransportNodesListShardStoreMetaData.java:61)
> 	at org.elasticsearch.action.support.nodes.TransportNodesOperationAction$NodeTransportHandler.messageReceived(TransportNodesOperationAction.java:277)
> 	at org.elasticsearch.action.support.nodes.TransportNodesOperationAction$NodeTransportHandler.messageReceived(TransportNodesOperationAction.java:268)
> 	at org.elasticsearch.transport.netty.MessageChannelHandler$RequestHandler.run(MessageChannelHandler.java:275)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> 	at java.lang.Thread.run(Thread.java:745)
> {noformat}
> Full thread dump: https://gist.github.com/shikhar/d0f6d2d008f45d2d4f91



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