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https://issues.apache.org/jira/browse/GIRAPH-1038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dionysios Logothetis resolved GIRAPH-1038.
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    Resolution: Won't Fix

> mvn -Phadoop_2 -Dhadoop.version=2.7.1 compile not work for OS X
> ---------------------------------------------------------------
>
>                 Key: GIRAPH-1038
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-1038
>             Project: Giraph
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 1.3.0
>         Environment: Mac OS X 10.11.1(I think it is OS X not the subversion)
>            Reporter: Jialin LIu
>            Priority: Major
>              Labels: maven
>
> When using Ubuntu 14.04 LTS, I set up Giraph 1.2 + Hadoop 2.7.1. After 
> package I can write code in giraph-examples/src and then mvn -Phadoop_2 
> -Dhadoop.version=2.7.1 compile it's done and run hadoop all went well. But 
> when I tried to use Giraph 1.2 + Hadoop 2.7.1 on Mac OS X (10.11.1), the mvn 
> compile in the giraph-examples/ worked but when I tried to run bin/hadoop ... 
> as taught in the tutorial, it failed with the following:
> Exception in thread "main" java.lang.IncompatibleClassChangeError: Found 
> interface org.apache.hadoop.mapreduce.JobContext, but class was expected
>       at 
> org.apache.giraph.bsp.BspOutputFormat.checkOutputSpecs(BspOutputFormat.java:43)
>       at 
> org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:266)
>       at 
> org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:139)
>       at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1290)
>       at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1287)
>       at java.security.AccessController.doPrivileged(Native Method)
>       at javax.security.auth.Subject.doAs(Subject.java:422)
>       at 
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
>       at org.apache.hadoop.mapreduce.Job.submit(Job.java:1287)
>       at org.apache.giraph.job.GiraphJob.run(GiraphJob.java:259)
>       at org.apache.giraph.GiraphRunner.run(GiraphRunner.java:94)
>       at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
>       at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
>       at org.apache.giraph.GiraphRunner.main(GiraphRunner.java:124)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:497)
>       at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
>       at org.apache.hadoop.util.RunJar.main(RunJar.java:136)



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