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MapReduce >> mail # user >> Errors about MRunit


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姚吉龙 2013-04-20, 10:12
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Hemanth Yamijala 2013-04-20, 10:42
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Re: Errors about MRunit
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Please do continue the conversation on the mailing list, in case others
like you can benefit from / contribute to the discussion

Thanks
Hemanth

On Sat, Apr 20, 2013 at 5:32 PM, Hemanth Yamijala <[EMAIL PROTECTED]
> wrote:

> Hi,
>
> My code is working with having mrunit-0.9.0-incubating-hadoop1.jar as a
> dependency. So, can you pull this from the mrunit download tarball, add it
> to the dependencies in eclipse and try. Of course remove any other mrunit
> jar you have already
>
> Thanks
> Hemanth
>
>
> On Sat, Apr 20, 2013 at 5:02 PM, 姚吉龙 <[EMAIL PROTECTED]> wrote:
>
>> Sorry, I have not used the Maven things
>> Could u tell me how to set this with Eclipse
>>
>>
>> BRs
>> geelong
>>
>>
>> 2013/4/20 Hemanth Yamijala <[EMAIL PROTECTED]>
>>
>>> Hi,
>>>
>>> If your goal is to use the new API, I am able to get it to work with the
>>> following maven configuration:
>>>
>>>     <dependency>
>>>       <groupId>org.apache.mrunit</groupId>
>>>       <artifactId>mrunit</artifactId>
>>>       <version>0.9.0-incubating</version>
>>>       <classifier>hadoop1</classifier>
>>>     </dependency>
>>>
>>> If I switch with classifier hadoop2, I get the same errors as what you
>>> facing.
>>>
>>> Thanks
>>> Hemanth
>>>
>>>
>>> On Sat, Apr 20, 2013 at 3:42 PM, 姚吉龙 <[EMAIL PROTECTED]> wrote:
>>>
>>>> Hi Everyone
>>>>
>>>> I am testing my MR programe with MRunit, it's version
>>>> is mrunit-0.9.0-incubating-hadoop2. My hadoop version is 1.0.4
>>>> The error trace is below:
>>>>
>>>> java.lang.IncompatibleClassChangeError: Found class
>>>> org.apache.hadoop.mapreduce.TaskInputOutputContext, but interface was
>>>> expected
>>>> at
>>>> org.apache.hadoop.mrunit.mapreduce.mock.MockContextWrapper.createCommon(MockContextWrapper.java:53)
>>>>  at
>>>> org.apache.hadoop.mrunit.mapreduce.mock.MockMapContextWrapper.create(MockMapContextWrapper.java:70)
>>>> at
>>>> org.apache.hadoop.mrunit.mapreduce.mock.MockMapContextWrapper.<init>(MockMapContextWrapper.java:62)
>>>>  at
>>>> org.apache.hadoop.mrunit.mapreduce.MapDriver.run(MapDriver.java:217)
>>>> at
>>>> org.apache.hadoop.mrunit.MapDriverBase.runTest(MapDriverBase.java:150)
>>>>  at org.apache.hadoop.mrunit.TestDriver.runTest(TestDriver.java:137)
>>>> at UnitTest.testMapper(UnitTest.java:41)
>>>>  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 junit.framework.TestCase.runTest(TestCase.java:168)
>>>> at junit.framework.TestCase.runBare(TestCase.java:134)
>>>>  at junit.framework.TestResult$1.protect(TestResult.java:110)
>>>> at junit.framework.TestResult.runProtected(TestResult.java:128)
>>>>  at junit.framework.TestResult.run(TestResult.java:113)
>>>> at junit.framework.TestCase.run(TestCase.java:124)
>>>>  at junit.framework.TestSuite.runTest(TestSuite.java:232)
>>>> at junit.framework.TestSuite.run(TestSuite.java:227)
>>>>  at
>>>> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:79)
>>>> at
>>>> org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
>>>>  at
>>>> org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
>>>> at
>>>> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
>>>>  at
>>>> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
>>>> at
>>>> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
>>>>  at
>>>> org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
>>>>
>>>>
>>>> Anyone has idea?
>>>>
>>>> BRs
>>>> Geelong
>>>>
>>>> --
>>>> From Good To Great
>>>>
>>>
>>>
>>
>>
>> --
>> From Good To Great
>>
>
>
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姚吉龙 2013-04-21, 02:17
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Rishi Yadav 2013-04-21, 02:33
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姚吉龙 2013-04-21, 03:33
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姚吉龙 2013-04-21, 05:16