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Re: Errors about MRunit
This is what I got form my eclipse. Why still errors about the lib from
hadoop
[image: 内嵌图片 1][image: 内嵌图片 2]
anybody tell me how to use MRunit and Maven
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
+
姚吉龙 2013-04-21, 02:52
+
Jagat Singh 2013-04-21, 02:39