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https://issues.apache.org/jira/browse/YARN-1556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718568#comment-14718568
]
Hudson commented on YARN-1556:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #316 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/316/])
YARN-1556. NPE getting application report with a null appId. Contributed by
Weiwei Yang. (junping_du: rev beb65c9465806114237aa271b07b31ff3c1f4404)
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/TestClientRMService.java
* hadoop-yarn-project/CHANGES.txt
*
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java
> NPE getting application report with a null appId
> ------------------------------------------------
>
> Key: YARN-1556
> URL: https://issues.apache.org/jira/browse/YARN-1556
> Project: Hadoop YARN
> Issue Type: Bug
> Components: client
> Affects Versions: 2.7.1
> Reporter: Steve Loughran
> Assignee: Weiwei Yang
> Priority: Trivial
> Fix For: 2.8.0
>
> Attachments: YARN-1556.patch
>
>
> If you accidentally pass in a null appId to get application report, you get
> an NPE back. This is arguably as intended, except that maybe a guard
> statement could report this in such a way as to make it easy for callers to
> track down the cause.
> {code}
> java.lang.NullPointerException: java.lang.NullPointerException
> org.apache.hadoop.ipc.RemoteException(java.lang.NullPointerException):
> java.lang.NullPointerException
> at
> java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
> at
> java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
> at
> org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getApplicationReport(ClientRMService.java:243)
> at
> org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.getApplicationReport(ApplicationClientProtocolPBServiceImpl.java:120)
> at
> org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:241)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2048)
> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:415)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2042)
> at org.apache.hadoop.ipc.Client.call(Client.java:1347)
> at org.apache.hadoop.ipc.Client.call(Client.java:1300)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
> at com.sun.proxy.$Proxy75.getApplicationReport(Unknown Source)
> at
> org.apache.hadoop.yarn.api.impl.pb.client.ApplicationClientProtocolPBClientImpl.getApplicationReport(ApplicationClientProtocolPBClientImpl.java:137)
> ... 28 more
> {code}
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