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Posted to yarn-issues@hadoop.apache.org by "Surendra Singh Lilhore (Jira)" <ji...@apache.org> on 2020/09/15 12:48:00 UTC
[jira] [Commented] (YARN-10438) NPE while fetching container report
for a node which is not there in active/decommissioned/lost/unhealthy nodes
on RM
[ https://issues.apache.org/jira/browse/YARN-10438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17196115#comment-17196115 ]
Surendra Singh Lilhore commented on YARN-10438:
-----------------------------------------------
Hi [~raghvendra.s], Why you think, this is not a problem ?
> NPE while fetching container report for a node which is not there in active/decommissioned/lost/unhealthy nodes on RM
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-10438
> URL: https://issues.apache.org/jira/browse/YARN-10438
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 3.2.1
> Reporter: Raghvendra Singh
> Priority: Major
>
> Here is the Exception trace which we are seeing, we are suspecting because of this exception RM is reaching in a state where it is no more allowing any new job to run on the cluster.
> {noformat}
> 2020-09-15 07:08:15,496 WARN ipc.Server: IPC Server handler 18 on default port 8032, call Call#1463486 Retry#0 org.apache.hadoop.yarn.api.ApplicationClientProtocolPB.getContainerReport from 10.39.91.205:49564 java.lang.NullPointerException at org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getContainerReport(ClientRMService.java:520) at org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.getContainerReport(ApplicationClientProtocolPBServiceImpl.java:466) at org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:639) at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:528) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1070) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:999) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:927) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2915)
> {noformat}
> We are seeing this issue with this specific node only, we do run this cluster at a scale of around 500 nodes.
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