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From Arun C Murthy <...@hortonworks.com>
Subject Re: Job initialization failed: java.lang.NullPointerException at resolveAndAddToTopology
Date Tue, 15 Oct 2013 02:01:50 GMT
Please ask CDH lists. 

Arun

On Oct 11, 2013, at 4:59 AM, fab wol <darkwolli32@gmail.com> wrote:

> Hey everyone, I've got supplied with a decent ten node CDH 4.4 cluster, only 7 days old,
and someone tried some HBase stuff on it. Now I wanted to try some MR Stuff on it, but starting
a Job is already not possible (even the wordcount example). The error log of the jobtracker
produces a log 700k lines long but it consists mainly of these lines repeatedly:
> 
> 2013-10-11 10:24:53,033 INFO org.apache.hadoop.mapred.JobTracker: Lost tracker 'tracker_z-asanode02:localhost/127.0.0.1:53712'
> 2013-10-11 10:24:53,033 ERROR org.apache.hadoop.security.UserGroupInformation: PriviledgedActionException
as:mapred (auth:SIMPLE) cause:java.io.IOException: java.lang.NullPointerException
> 2013-10-11 10:24:53,034 INFO org.apache.hadoop.ipc.Server: IPC Server handler 22 on 8021,
call heartbeat(org.apache.hadoop.mapred.TaskTrackerStatus@13b31acd, true, true, true, -1),
rpc version=2, client version=32, methodsFingerPrint=-159967141 from 10.160.25.250:44389:
error: java.io.IOException: java.lang.NullPointerException
> java.io.IOException: java.lang.NullPointerException
> 	at org.apache.hadoop.mapred.JobTracker.resolveAndAddToTopology(JobTracker.java:2751)
> 	at org.apache.hadoop.mapred.JobTracker.addNewTracker(JobTracker.java:2731)
> 	at org.apache.hadoop.mapred.JobTracker.processHeartbeat(JobTracker.java:3227)
> 	at org.apache.hadoop.mapred.JobTracker.heartbeat(JobTracker.java:2931)
> 	at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.hadoop.ipc.WritableRpcEngine$Server$WritableRpcInvoker.call(WritableRpcEngine.java:474)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1002)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1751)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1747)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1745)
> 2013-10-11 10:24:53,035 WARN org.apache.hadoop.net.ScriptBasedMapping: Exception running
/run/cloudera-scm-agent/process/556-mapreduce-JOBTRACKER/topology.py 10.160.25.249 
> java.io.IOException: Cannot run program "/run/cloudera-scm-agent/process/556-mapreduce-JOBTRACKER/topology.py"
(in directory "/run/cloudera-scm-agent/process/556-mapreduce-JOBTRACKER"): java.io.IOException:
error=13, Permission denied
> 	at java.lang.ProcessBuilder.start(ProcessBuilder.java:460)
> 	at org.apache.hadoop.util.Shell.runCommand(Shell.java:206)
> 	at org.apache.hadoop.util.Shell.run(Shell.java:188)
> 	at org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:381)
> 	at org.apache.hadoop.net.ScriptBasedMapping$RawScriptBasedMapping.runResolveCommand(ScriptBasedMapping.java:242)
> 	at org.apache.hadoop.net.ScriptBasedMapping$RawScriptBasedMapping.resolve(ScriptBasedMapping.java:180)
> 	at org.apache.hadoop.net.CachedDNSToSwitchMapping.resolve(CachedDNSToSwitchMapping.java:119)
> 	at org.apache.hadoop.mapred.JobTracker.resolveAndAddToTopology(JobTracker.java:2750)
> 	at org.apache.hadoop.mapred.JobTracker.addNewTracker(JobTracker.java:2731)
> 	at org.apache.hadoop.mapred.JobTracker.processHeartbeat(JobTracker.java:3227)
> 	at org.apache.hadoop.mapred.JobTracker.heartbeat(JobTracker.java:2931)
> 	at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.hadoop.ipc.WritableRpcEngine$Server$WritableRpcInvoker.call(WritableRpcEngine.java:474)
> 	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1002)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1751)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1747)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1408)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1745)
> Caused by: java.io.IOException: java.io.IOException: error=13, Permission denied
> 	at java.lang.UNIXProcess.<init>(UNIXProcess.java:148)
> 	at java.lang.ProcessImpl.start(ProcessImpl.java:65)
> 	at java.lang.ProcessBuilder.start(ProcessBuilder.java:453)
> 	... 21 more
> 
> it doesn't matter if it is a pure hadoop job or a oozie submitted job. there seems to
be something wrong in the basic configuration. Anyone an idea?
> 
> Cheers
> Wolli

--
Arun C. Murthy
Hortonworks Inc.
http://hortonworks.com/



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