[
https://issues.apache.org/jira/browse/HDDS-5611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
ASF GitHub Bot updated HDDS-5611:
---------------------------------
Labels: pull-request-available (was: )
> NullPointerException in ContainerStateMachine during Pipeline Close.
> --------------------------------------------------------------------
>
> Key: HDDS-5611
> URL: https://issues.apache.org/jira/browse/HDDS-5611
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Aswin Shakil Balasubramanian
> Assignee: Aswin Shakil Balasubramanian
> Priority: Major
> Labels: pull-request-available
>
> {code:java}
> 2021-06-22 05:43:07,590 ERROR
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.ClosePipelineCommandHandler:
> Can't close pipeline PipelineID=0bcbc90b-5982-450
> 2-a5d6-ba14a461c307
> java.io.IOException: java.lang.NullPointerException
> at
> org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.removeGroup(XceiverServerRatis.java:782)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.ClosePipelineCommandHandler.handle(ClosePipelineCommandHandler.java:74)
> at
> org.apache.hadoop.ozone.container.common.statemachine.commandhandler.CommandDispatcher.handle(CommandDispatcher.java:99)
> at
> org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$initCommandHandlerThread$2(DatanodeStateMachine.java:497)
> at java.base/java.lang.Thread.run(Thread.java:834)
> Caused by: java.io.IOException: java.lang.NullPointerException
> at org.apache.ratis.util.IOUtils.asIOException(IOUtils.java:54)
> at
> org.apache.ratis.server.impl.RaftServerImpl.waitForReply(RaftServerImpl.java:862)
> at
> org.apache.ratis.server.impl.RaftServerProxy.groupManagement(RaftServerProxy.java:432)
> at
> org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.removeGroup(XceiverServerRatis.java:780)
> ... 4 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.ozone.container.ozoneimpl.ContainerController.markContainerForClose(ContainerController.java:83)
> at
> org.apache.hadoop.ozone.container.common.transport.server.ratis.ContainerStateMachine.notifyGroupRemove(ContainerStateMachine.java:883)
> at
> org.apache.ratis.server.impl.RaftServerImpl.groupRemove(RaftServerImpl.java:362)
> at
> org.apache.ratis.server.impl.RaftServerProxy.lambda$groupRemoveAsync$14(RaftServerProxy.java:499)
> at
> java.base/java.util.concurrent.CompletableFuture.uniApplyNow(CompletableFuture.java:680)
> at
> java.base/java.util.concurrent.CompletableFuture.uniApplyStage(CompletableFuture.java:658)
> at
> java.base/java.util.concurrent.CompletableFuture.thenApply(CompletableFuture.java:2094)
> at
> org.apache.ratis.server.impl.RaftServerProxy.groupRemoveAsync(RaftServerProxy.java:498)
> at
> org.apache.ratis.server.impl.RaftServerProxy.groupManagementAsync(RaftServerProxy.java:452)
> ... 6 more
> {code}
> During pipeline close, we iterate over the list of containers in Ratis
> snapshot to close them if needed. This will cause an NPE for missing
> containers. We need to make sure we also look at missing containers, and skip
> them in this step.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
