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https://issues.apache.org/jira/browse/HDFS-16923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17695379#comment-17695379
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ASF GitHub Bot commented on HDFS-16923:
---------------------------------------
xkrogen merged PR #5400:
URL: https://github.com/apache/hadoop/pull/5400
> The getListing RPC will throw NPE if the path does not exist
> ------------------------------------------------------------
>
> Key: HDFS-16923
> URL: https://issues.apache.org/jira/browse/HDFS-16923
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: ZanderXu
> Assignee: ZanderXu
> Priority: Critical
> Labels: pull-request-available
>
> The getListing RPC will throw NPE if the path does not exist. And the stack
> as bellow:
> {code:java}
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.RemoteException):
> org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException):
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getListing(FSNamesystem.java:4195)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getListing(NameNodeRpcServer.java:1421)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getListing(ClientNamenodeProtocolServerSideTranslatorPB.java:783)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:622)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:590)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:574)
> {code}
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