Siddharth Seth created YARN-5297:
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Summary: Avoid printing a stack trace when recovering an app after
the RM restarts
Key: YARN-5297
URL: https://issues.apache.org/jira/browse/YARN-5297
Project: Hadoop YARN
Issue Type: Task
Reporter: Siddharth Seth
The exception trace is unnecessary, and can cause confusion.
{code}
2016-06-16 22:02:54,262 INFO ipc.Server (Server.java:logException(2401)) - IPC
Server handler 0 on 8030, call
org.apache.hadoop.yarn.api.ApplicationMasterProtocolPB.allocate from
172.22.79.149:42698 Call#2241 Retry#0
org.apache.hadoop.yarn.exceptions.ApplicationMasterNotRegisteredException: AM
is not registered for known application attempt:
appattempt_1466112179488_0001_000001 or RM had restarted after AM registered .
AM should re-register.
at
org.apache.hadoop.yarn.server.resourcemanager.ApplicationMasterService.allocate(ApplicationMasterService.java:454)
at
org.apache.hadoop.yarn.api.impl.pb.service.ApplicationMasterProtocolPBServiceImpl.allocate(ApplicationMasterProtocolPBServiceImpl.java:60)
at
org.apache.hadoop.yarn.proto.ApplicationMasterProtocol$ApplicationMasterProtocolService$2.callBlockingMethod(ApplicationMasterProtocol.java:99)
at
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:640)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2313)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2309)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1724)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2307)
{code}
cc [~djp]
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