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From Prajakta Kalmegh <pkalm...@gmail.com>
Subject Error starting MRAppMaster
Date Thu, 21 Jun 2012 04:32:09 GMT
Hi

I am getting the following error while trying to execute any example
(wordcount, terasort etc):
12/06/21 09:52:39 INFO mapreduce.Job: Running job: job_1340251923324_0001
12/06/21 09:52:45 INFO mapreduce.Job: Job job_1340251923324_0001 running in
uber mode : false
12/06/21 09:52:45 INFO mapreduce.Job:  map 0% reduce 0%
12/06/21 09:52:45 INFO mapreduce.Job: Job job_1340251923324_0001 failed
with state FAILED due to: Application application_1340251923324_0001 failed
1 times due to AM Container for appattempt_1340251923324_0001_000001 exited
with  exitCode: 1 due to:
.Failing this attempt.. Failing the application.
12/06/21 09:52:45 INFO mapreduce.Job: Counters: 0
-----------------------------

*The contents of containers logs are pasted below:*
2012-06-21 09:52:43,856 INFO [main]
org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Created MRAppMaster for
application appattempt_1340251923324_0001_000001
2012-06-21 09:52:44,625 FATAL [main]
org.apache.hadoop.mapreduce.v2.app.MRAppMaster: Error starting MRAppMaster
java.lang.Error: Unresolved compilation problems:
The method register(Class<? extends Enum>, EventHandler) in the type
Dispatcher is not applicable for the arguments (Class<EventType>,
EventHandler<JobHistoryEvent>)
 org.apache.hadoop.mapreduce.jobhistory.EventType cannot be resolved to a
type

at org.apache.hadoop.mapreduce.v2.app.MRAppMaster.init(MRAppMaster.java:261)
 at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster$1.run(MRAppMaster.java:1049)
at java.security.AccessController.doPrivileged(Native Method)
 at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1232)
 at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.initAndStartAppMaster(MRAppMaster.java:1046)
at
org.apache.hadoop.mapreduce.v2.app.MRAppMaster.main(MRAppMaster.java:1010)
2012-06-21 09:52:44,628 INFO [Thread-0]
org.apache.hadoop.mapreduce.v2.app.MRAppMaster: MRAppMaster received a
signal. Signaling RMCommunicator and JobHistoryEventHandler.

----------------------

Any idea what would be going wrong?

Regards,
Prajakta

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