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https://issues.apache.org/jira/browse/MAPREDUCE-4102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bhallamudi Venkata Siva Kamesh updated MAPREDUCE-4102:
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    Attachment: MAPREDUCE-4102-1.patch

Certainly all the test failures are not induced by this patch. Fixed all the 
relavant test failures and ran all the Testcases shown above.
All the tests passed in my env.

Not modified any *src* changes. Just modified the *test* changes.
Patch contains a testcase, which fails without src changes, and passes with src 
changes.
Please review.
                
> job counters not available in Jobhistory webui for killed jobs
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-4102
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4102
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: webapps
>    Affects Versions: 0.23.2, 2.0.0
>            Reporter: Thomas Graves
>         Attachments: MAPREDUCE-4102-1.patch, MAPREDUCE-4102.patch
>
>
> Run a simple wordcount or sleep, and kill the job before it finishes.  Go to 
> the job history web ui and click the "Counters" link for that job. It 
> displays "500 error".
> The job history log has:
> Caused by: com.google.inject.ProvisionException: Guice provision errors:
> 2012-04-03 19:42:53,148 ERROR org.apache.hadoop.yarn.webapp.Dispatcher: error 
> handling URI: /jobhistory/jobcounters/job_1333482028750_0001
> java.lang.reflect.InvocationTargetException
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>     at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>     at java.lang.reflect.Method.invoke(Method.java:597)
> ...
> ..
> ...
> 1) Error injecting constructor, java.lang.NullPointerException
>   at 
> org.apache.hadoop.mapreduce.v2.app.webapp.CountersBlock.<init>(CountersBlock.java:56)
>   while locating org.apache.hadoop.mapreduce.v2.app.webapp.CountersBlock
> ...
> ..
> ...
> Caused by: java.lang.NullPointerException    at 
> org.apache.hadoop.mapreduce.counters.AbstractCounters.incrAllCounters(AbstractCounters.java:328)
>     at 
> org.apache.hadoop.mapreduce.v2.app.webapp.CountersBlock.getCounters(CountersBlock.java:188)
>     at 
> org.apache.hadoop.mapreduce.v2.app.webapp.CountersBlock.<init>(CountersBlock.java:57)
>     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> There are task counters available if you drill down into successful tasks 
> though.

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