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From "Rémy Sanlaville" <remy.sanlavi...@gmail.com>
Subject Re: Maven compile error mystery
Date Thu, 07 Sep 2006 14:30:46 GMT
It seems that you used java 1.5.
Do you specify it in your pom ?

       <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <configuration>
          <source>1.5</source>
          <target>1.5</target>
        </configuration>
       </plugin>


2006/9/7, rudy.bistrovich@thomson.com <rudy.bistrovich@thomson.com>:
>
> Hey guys,
>
>
>
> For some reason I'm getting  a compile error from Maven for this code
> that compiles fine in eclipse, with javac, and with ant.  Maven is the
> only thing that reports this error.
>
> Anyone have any ideas?
>
>
>
> Here is the error:
>
> [INFO]
> ------------------------------------------------------------------------
>
> [ERROR] BUILD FAILURE
>
> [INFO]
> ------------------------------------------------------------------------
>
> [INFO] Compilation failure
>
>
>
> C:\eclipse_workspace\Medical Litigator -
> Common\src\main\java\com\thomson\west\medlit\util\CollectionUtils.java:[
> 70,34] incompatible types
>
> found   : java.lang.Object[][]
>
> required: T[][]
>
>
>
> C:\eclipse_workspace\Medical Litigator -
> Common\src\main\java\com\thomson\west\medlit\util\CollectionUtils.java:[
> 145,34] incompatible types
>
> found   : java.lang.Object[][]
>
> required: T[][]
>
>
>
>
>
> [INFO]
> ------------------------------------------------------------------------
>
> [DEBUG] Trace
>
> org.apache.maven.BuildFailureException: Compilation failure
>
>       at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Default
> LifecycleExecutor.java:555)
>
>       at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifec
> ycle(DefaultLifecycleExecutor.java:475)
>
>       at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultL
> ifecycleExecutor.java:454)
>
>       at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandle
> Failures(DefaultLifecycleExecutor.java:306)
>
>       at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(
> DefaultLifecycleExecutor.java:273)
>
>       at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifec
> ycleExecutor.java:140)
>
>       at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
>
>       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
>
>       at org.apache.maven.cli.MavenCli.main(MavenCli.java:256)
>
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>
>       at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> a:39)
>
>       at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> Impl.java:25)
>
>       at java.lang.reflect.Method.invoke(Method.java:585)
>
>       at
> org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
>
>       at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
>
>       at
> org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
>
>       at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
>
> Caused by: org.apache.maven.plugin.CompilationFailureException:
> Compilation failure
>
>       at
> org.apache.maven.plugin.AbstractCompilerMojo.execute(AbstractCompilerMoj
> o.java:505)
>
>       at
> org.apache.maven.plugin.CompilerMojo.execute(CompilerMojo.java:111)
>
>       at
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginMa
> nager.java:412)
>
>       at
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(Default
> LifecycleExecutor.java:534)
>
>       ... 16 more
>
>
>
> Here is a snippet of the code that is causing it:
>
>
>
>       public static <T> T[][] splitTypedArray( T[] originalArray, int
> arraySize ) {
>
>             return cast2DArray( originalArray.getClass(),
> splitArray(originalArray, arraySize) );
>
>       }
>
>
>
>       public static <T> T[][] cast2DArray(Class<? extends T[]> clazz,
> Object[][] array )
>
>             throws ClassCastException {
>
>             //this is safe( since we are giving T.class to
> Array.newInstance.
>
>             //the problem is that Array.newInstance() is not genericized
> as it should be.
>
>             T[][] newArray = (T[][])Array.newInstance( clazz,
> array.length );
>
>             for(int i=0; i<array.length; i++ )
>
>                   //cast each sub-array and add it to our new array.
>
>                   newArray[i] = clazz.cast( array[i] );
>
>
>
>             return newArray;
>
>       }
>
> }
>
>
>

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