[TEZ-327] AM failed to start due to an error starting the RPCServer

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 0.2.0
• Labels: TEZ-0.2.0

Environment

jdk1.6

• Assignee: Hitesh Shah
• Reporter: Siddharth Seth
• Created: 30/Jul/13 21:24
• Updated: 01/Dec/13 20:21
• Resolved: 20/Nov/13 20:11

Description

Stack trace. Will upload the entire AM log as well.

2013-07-30 13:32:08,542 ERROR [ServiceThread:DAGClientRPCServer] org.apache.tez.dag.api.client.DAGClientServer: Failed to start DAGClientServer:
java.lang.NullPointerException
  at sun.nio.ch.Util.atBugLevel(Util.java:448)
  at sun.nio.ch.SelectorImpl.<init>(SelectorImpl.java:40)
  at sun.nio.ch.KQueueSelectorImpl.<init>(KQueueSelectorImpl.java:46)
  at sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:20)
  at java.nio.channels.Selector.open(Selector.java:209)
  at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:539)
  at org.apache.hadoop.ipc.Server.<init>(Server.java:2197)
  at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:901)
  at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:505)
  at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:480)
  at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:746)
  at org.apache.tez.dag.api.client.DAGClientServer.createServer(DAGClientServer.java:97)
  at org.apache.tez.dag.api.client.DAGClientServer.serviceStart(DAGClientServer.java:71)
  at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
  at org.apache.tez.dag.app.DAGAppMaster$ServiceWithDependency.start(DAGAppMaster.java:924)
  at org.apache.tez.dag.app.DAGAppMaster$ServiceThread.run(DAGAppMaster.java:942)
2013-07-30 13:32:08,542 DEBUG [ServiceThread:DAGClientRPCServer] org.apache.hadoop.service.AbstractService: noteFailure org.apache.tez.dag.api.TezUncheckedException: java.lang.NullPointerException
2013-07-30 13:32:08,542 INFO [ServiceThread:DAGClientRPCServer] org.apache.hadoop.service.AbstractService: Service DAGClientRPCServer failed in state STARTED; cause: org.apache.tez.dag.api.TezUncheckedExc
org.apache.tez.dag.api.TezUncheckedException: java.lang.NullPointerException
  at org.apache.tez.dag.api.client.DAGClientServer.serviceStart(DAGClientServer.java:78)
  at org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
  at org.apache.tez.dag.app.DAGAppMaster$ServiceWithDependency.start(DAGAppMaster.java:924)
  at org.apache.tez.dag.app.DAGAppMaster$ServiceThread.run(DAGAppMaster.java:942)
Caused by: java.lang.NullPointerException
  at sun.nio.ch.Util.atBugLevel(Util.java:448)
  at sun.nio.ch.SelectorImpl.<init>(SelectorImpl.java:40)
  at sun.nio.ch.KQueueSelectorImpl.<init>(KQueueSelectorImpl.java:46)
  at sun.nio.ch.KQueueSelectorProvider.openSelector(KQueueSelectorProvider.java:20)
  at java.nio.channels.Selector.open(Selector.java:209)
  at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:539)
  at org.apache.hadoop.ipc.Server.<init>(Server.java:2197)
  at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:901)
  at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:505)
  at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:480)
  at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:746)
  at org.apache.tez.dag.api.client.DAGClientServer.createServer(DAGClientServer.java:97)
  at org.apache.tez.dag.api.client.DAGClientServer.serviceStart(DAGClientServer.java:71)
  ... 3 more