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From AzuryYu <azur...@outlook.com>
Subject RE: Cannot submit Tez application
Date Sun, 11 May 2014 04:41:07 GMT
After look through the log, 
It was: 
2014-05-11 12:24:54,590 FATAL [main] org.apache.tez.dag.app.DAGAppMaster: Error starting DAGAppMaster
java.lang.IllegalArgumentException: java.net.UnknownHostException: test-cluster
 at org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:377)
 at org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:240)
 at org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:144)
 at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:595)
 at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:540)
 at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:140)
 at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2402)
 at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:89)
 at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2436)
 at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2418)
 at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:368)
 at org.apache.hadoop.fs.Path.getFileSystem(Path.java:296)
 at org.apache.tez.dag.app.DAGAppMaster.serviceInit(DAGAppMaster.java:387)

 
I enabled HDFS HA, test-cluster is my cluster id, so how to solve this UnknownHostException?
Thanks.
 

 
> From: azuryyu@outlook.com
> To: dev@tez.incubator.apache.org
> Subject: Cannot submit Tez application
> Date: Sun, 11 May 2014 03:26:11 +0000
> 
> Hi,
>  
> I built Tez-0.5 against hadoop-2.4.0, and I've put all jars to the HDFS, configured tez-site.xml
correctly.
>  
> Hive version is 0.13.0, I've set hive.execution.engine to tez in hive-site.xml
>  
> then I submit the hive query, got the following exception:
>  
> 2014-05-11 11:13:08,533 ERROR [main]: exec.Task (TezTask.java:execute(185)) - Failed
to execute tez graph.
> java.lang.IllegalStateException: Vertex: Reducer 4 already has group input with name:Union
3
>         at org.apache.tez.dag.api.Vertex.addGroupInput(Vertex.java:250)
>         at org.apache.tez.dag.api.DAG.processEdgesAndGroups(DAG.java:223)
>         at org.apache.tez.dag.api.DAG.verify(DAG.java:284)
>         at org.apache.tez.dag.api.DAG.createDag(DAG.java:462)
>         at org.apache.tez.client.TezSession.submitDAG(TezSession.java:216)
>         at org.apache.tez.client.TezSession.submitDAG(TezSession.java:155)
>         at org.apache.hadoop.hive.ql.exec.tez.TezTask.submit(TezTask.java:320)
>         at org.apache.hadoop.hive.ql.exec.tez.TezTask.execute(TezTask.java:165)
>         at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:153)
>         at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:85)
>         at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1503)
>         at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1270)
>         at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1088)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:911)
>         at org.apache.hadoop.hive.ql.Driver.run(Driver.java:901)
>         at org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:268)
>         at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:220)
>         at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:423)
>         at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:359)
>         at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:742)
>         at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:686)
>         at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:625)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:606)
>         at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
> 2014-05-11 11:13:08,554 ERROR [main]: ql.Driver (SessionState.java:printError(545)) -
FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.tez.TezTask
>  		 	   		  
 		 	   		  
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