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https://issues.apache.org/jira/browse/HDFS-16923?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Erik Krogen resolved HDFS-16923.
--------------------------------
    Resolution: Fixed

> 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
>             Fix For: 3.4.0, 3.3.6
>
>
> 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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