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https://issues.apache.org/jira/browse/HDDS-9062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai resolved HDDS-9062.
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Resolution: Duplicate
> NPE during investigation of datanode OOM
> ----------------------------------------
>
> Key: HDDS-9062
> URL: https://issues.apache.org/jira/browse/HDDS-9062
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Datanode
> Reporter: Devesh Kumar Singh
> Assignee: Devesh Kumar Singh
> Priority: Major
> Labels: pull-request-available
>
> {code:java}
> Jul 20, 2023 1:24:56 PM
> org.apache.ratis.thirdparty.io.grpc.internal.SerializingExecutor run SEVERE:
> Exception while executing runnable
> org.apache.ratis.thirdparty.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed@60a1ee40
> java.lang.NullPointerException at
> java.base/java.nio.file.Files.provider(Files.java:101) at
> java.base/java.nio.file.Files.deleteIfExists(Files.java:1181) at
> org.apache.hadoop.ozone.container.replication.SendContainerRequestHandler.deleteTarball(SendContainerRequestHandler.java:131)
> at
> org.apache.hadoop.ozone.container.replication.SendContainerRequestHandler.onError(SendContainerRequestHandler.java:97)
> at
> org.apache.ratis.thirdparty.io.grpc.stub.ServerCalls$StreamingServerCallHandler$StreamingServerCallListener.onCancel(ServerCalls.java:288)
> at
> org.apache.ratis.thirdparty.io.grpc.PartialForwardingServerCallListener.onCancel(PartialForwardingServerCallListener.java:40)
> at
> org.apache.ratis.thirdparty.io.grpc.ForwardingServerCallListener.onCancel(ForwardingServerCallListener.java:23)
> at
> org.apache.ratis.thirdparty.io.grpc.ForwardingServerCallListener$SimpleForwardingServerCallListener.onCancel(ForwardingServerCallListener.java:40)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closedInternal(ServerCallImpl.java:378)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.closed(ServerCallImpl.java:365)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1Closed.runInContext(ServerImpl.java:923)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
> at
> org.apache.ratis.thirdparty.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:133)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> at java.base/java.lang.Thread.run(Thread.java:834){code}
> h4.
>
> found this NPE during investigation of datanode OOM.
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