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Date: Fri, 9 Sep 2011 22:10:08 +0000 (UTC)
From: "Siddharth Seth (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Created] (MAPREDUCE-2979) Remove ClientProtocolProvider
 configuration under mapreduce-client-core
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Remove ClientProtocolProvider configuration under mapreduce-client-core
-----------------------------------------------------------------------

                 Key: MAPREDUCE-2979
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2979
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: mrv2
    Affects Versions: 0.23.0, 0.24.0
            Reporter: Siddharth Seth
            Assignee: Siddharth Seth


ClientProtocolProvider configuration exists under the job-client and core modules. It's really only required in job-client. The version in core points to JobTrackerClientProtocolProvider which causes

java.util.ServiceConfigurationError: org.apache.hadoop.mapreduce.protocol.ClientProtocolProvider: Provider org.apache.hadoop.mapred.JobTrackerClientProtocolProvider not found
        at java.util.ServiceLoader.fail(ServiceLoader.java:214)
        at java.util.ServiceLoader.access$400(ServiceLoader.java:164)
        at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:350)
        at java.util.ServiceLoader$1.next(ServiceLoader.java:421)
        at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:73)
        at org.apache.hadoop.mapreduce.Job.<init>(Job.java:133)
        at org.apache.hadoop.mapreduce.Job.<init>(Job.java:138)
        at org.apache.hadoop.examples.WordCount.main(WordCount.java:75)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:72)
        at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:144)
        at org.apache.hadoop.examples.ExampleDriver.main(ExampleDriver.java:68)
        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)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:189)

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