[GitHub] [flink] klion26 commented on issue #8895: [FLINK-12536][Runtime/Network]Make BufferOrEventSequence#getNext non blocking

2019-07-02 Thread GitBox
klion26 commented on issue #8895: [FLINK-12536][Runtime/Network]Make 
BufferOrEventSequence#getNext non blocking
URL: https://github.com/apache/flink/pull/8895#issuecomment-507907989
 
 
   @StephanEwen thanks for the comments, I'll continue after the discussion has 
been solved.


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[GitHub] [flink] klion26 commented on issue #8895: [FLINK-12536][Runtime/Network]Make BufferOrEventSequence#getNext non blocking

2019-06-26 Thread GitBox
klion26 commented on issue #8895: [FLINK-12536][Runtime/Network]Make 
BufferOrEventSequence#getNext non blocking
URL: https://github.com/apache/flink/pull/8895#issuecomment-506143844
 
 
   Travis build failed seems irrelevant, have filed a 
[issue](https://issues.apache.org/jira/browse/FLINK-13009) to track it.
   
   ```
   Test 
testVCoresAreSetCorrectlyAndJobManagerHostnameAreShownInWebInterfaceAndDynamicPropertiesAndYarnApplicationNameAndTaskManagerSlots(org.apache.flink.yarn.YARNSessionCapacitySchedulerITCase)
 failed with:
   java.lang.NullPointerException: java.lang.NullPointerException
at 
org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptMetrics.getAggregateAppResourceUsage(RMAppAttemptMetrics.java:128)
at 
org.apache.hadoop.yarn.server.resourcemanager.rmapp.attempt.RMAppAttemptImpl.getApplicationResourceUsageReport(RMAppAttemptImpl.java:900)
at 
org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppImpl.createAndGetApplicationReport(RMAppImpl.java:660)
at 
org.apache.hadoop.yarn.server.resourcemanager.ClientRMService.getApplications(ClientRMService.java:930)
at 
org.apache.hadoop.yarn.api.impl.pb.service.ApplicationClientProtocolPBServiceImpl.getApplications(ApplicationClientProtocolPBServiceImpl.java:273)
at 
org.apache.hadoop.yarn.proto.ApplicationClientProtocol$ApplicationClientProtocolService$2.callBlockingMethod(ApplicationClientProtocol.java:507)
at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:447)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:989)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:847)
at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:790)
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:1836)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2486)
   ```


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