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https://issues.apache.org/jira/browse/HDFS-13816?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16698548#comment-16698548
]
Brahma Reddy Battula commented on HDFS-13816:
---------------------------------------------
+1,lgtm.
> dfs.getQuotaUsage() throws NPE on non-existent dir instead of
> FileNotFoundException
> -----------------------------------------------------------------------------------
>
> Key: HDFS-13816
> URL: https://issues.apache.org/jira/browse/HDFS-13816
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.8.0, 3.0.0-alpha1
> Reporter: Vinayakumar B
> Assignee: Vinayakumar B
> Priority: Major
> Attachments: HDFS-13816-01.patch, HDFS-13816-02.patch
>
>
> {{dfs.getQuotaUsage()}} on non-existent path should throw
> FileNotFoundException.
> {noformat}
> java.lang.NullPointerException
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getQuotaUsageInt(FSDirStatAndListingOp.java:573)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getQuotaUsage(FSDirStatAndListingOp.java:554)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getQuotaUsage(FSNamesystem.java:3221)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getQuotaUsage(NameNodeRpcServer.java:1404)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getQuotaUsage(ClientNamenodeProtocolServerSideTranslatorPB.java:1861)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:524)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1025)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:876)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:822)
> 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:2682)
> {noformat}
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