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From "Ramya Sunil (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4781) File listing of .snapshot under a non-existing dir throws NullPointer
Date Tue, 30 Apr 2013 21:00:16 GMT
Ramya Sunil created HDFS-4781:
---------------------------------

             Summary: File listing of .snapshot under a non-existing dir throws NullPointer
                 Key: HDFS-4781
                 URL: https://issues.apache.org/jira/browse/HDFS-4781
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Ramya Sunil
             Fix For: Snapshot (HDFS-2802)


$ hadoop dfs -ls /invalidDir/.snapshot
ls: java.io.IOException: java.lang.NullPointerException

{noformat}
INFO org.apache.hadoop.ipc.Server: IPC Server handler 2 on 8020, call getFileInfo(/invalidDir/.snapshot)
from .* : error: java.io.IOException: java.lang.NullPointerException
java.io.IOException: java.lang.NullPointerException
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.getFileInfo4DotSnapshot(FSDirectory.java:1208)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.getFileInfo(FSDirectory.java:1189)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:2545)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.getFileInfo(NameNode.java:949)
        at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:587)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1405)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1401)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1195)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1399)
{noformat}

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