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https://issues.apache.org/jira/browse/HIVE-2883?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13246546#comment-13246546
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Ashutosh Chauhan commented on HIVE-2883:
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My analysis is client already knows about transport, so inside
client.shutdown() it is calling transport.close() which closes underlying
outputstream. So, we *should* not do transport.close() ourselves in
HiveMetaStoreClient.close() ? But, I can't be sure of this hypothesis since
implementation of client.shutdown() is in FaceBookService.client (which is in
libfb303.jar) I cant seem to find sources for this class anywhere.
So, I request Facebook contributors of Hive project to either fix this bug or
release sources of libfb303.jar so that I can verify and fix this myself.
> Metastore client doesnt close connection properly
> -------------------------------------------------
>
> Key: HIVE-2883
> URL: https://issues.apache.org/jira/browse/HIVE-2883
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Affects Versions: 0.9.0
> Reporter: Ashutosh Chauhan
> Fix For: 0.9.0
>
>
> While closing connection, it always fail with following trace. Seemingly, it
> doesnt have any harmful effects.
> {code}
> 12/03/20 10:55:02 ERROR hive.metastore: Unable to shutdown local metastore
> client
> org.apache.thrift.transport.TTransportException: Cannot write to null
> outputStream
> at
> org.apache.thrift.transport.TIOStreamTransport.write(TIOStreamTransport.java:142)
> at
> org.apache.thrift.protocol.TBinaryProtocol.writeI32(TBinaryProtocol.java:163)
> at
> org.apache.thrift.protocol.TBinaryProtocol.writeMessageBegin(TBinaryProtocol.java:91)
> at org.apache.thrift.TServiceClient.sendBase(TServiceClient.java:62)
> at
> com.facebook.fb303.FacebookService$Client.send_shutdown(FacebookService.java:421)
> at
> com.facebook.fb303.FacebookService$Client.shutdown(FacebookService.java:415)
> at
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.close(HiveMetaStoreClient.java:310)
> {code}
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