[ https://issues.apache.org/jira/browse/YARN-1556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14720075#comment-14720075 ]
Hudson commented on YARN-1556: ------------------------------ SUCCESS: Integrated in Hadoop-Mapreduce-trunk #2265 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/2265/]) 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: Minor > 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} -- This message was sent by Atlassian JIRA (v6.3.4#6332)