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https://issues.apache.org/jira/browse/NPANDAY-622?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14049609#comment-14049609
 ] 

Brett Porter commented on NPANDAY-622:
--------------------------------------

Try adding this before the other goals for {{maven-compile-plugin}} in your 
example:

{code:xml}
<goal>initialize</goal>
{code}

Does that help?

> NPE - compile:testCompile
> -------------------------
>
>                 Key: NPANDAY-622
>                 URL: https://issues.apache.org/jira/browse/NPANDAY-622
>             Project: NPanday
>          Issue Type: Bug
>          Components: Maven Plugins
>    Affects Versions: 1.5.0-incubating
>         Environment: VS 2013
>            Reporter: Greg Domjan
>
> As compile:compile cannot be skipped, needed to use 
> custom-lifecycle-maven-plugin as the lifecycle extension to use tlbimp in 
> createing the library.
>                       <plugin>
>                               <groupId>org.apache.npanday.plugins</groupId>
>                               
> <artifactId>custom-lifecycle-maven-plugin</artifactId>
>                               <extensions>true</extensions>
>                       </plugin>
> Following that, to add a test process tying to add
>                       <plugin>
>                               <groupId>org.apache.npanday.plugins</groupId>
>                               <artifactId>maven-compile-plugin</artifactId>
>                               <configuration>
>                                       <frameworkVersion>3.0</frameworkVersion>
>                               </configuration>
>                               <executions>
>                                       <execution>
>                                               <id>testing</id>
>                                               <goals>
>                                                       
> <goal>process-test-sources</goal>
>                                                       <goal>testCompile</goal>
>                                               </goals>
>                                               <configuration>
>                                               </configuration>
>                                       </execution>
>                               </executions>
>                       </plugin>
> [INFO] [compile:testCompile {execution: testing}]
> [INFO] NPANDAY-148-009: Took 11ms to resolve dependencies for 
> group:art:library:8.1.0-0-SNAPSHOT with filter org
> .apache.maven.artifact.resolver.filter.AndArtifactFilter@4f14e777
> [INFO] 
> ------------------------------------------------------------------------
> [ERROR] FATAL ERROR
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] null
> [INFO] 
> ------------------------------------------------------------------------
> [INFO] Trace
> java.lang.NullPointerException
>         at 
> npanday.assembler.impl.AssemblerContextImpl.getClassExtensionFor(AssemblerContextImpl.java:190)
>         at 
> npanday.plugin.compile.AbstractCompilerMojo.getLanguageFileExtension(AbstractCompilerMojo.java:1471)
>         at 
> npanday.plugin.compile.TestCompilerMojo.getCompilerConfig(TestCompilerMojo.java:104)
>         at 
> npanday.plugin.compile.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:1186)
>         at 
> npanday.plugin.compile.TestCompilerMojo.execute(TestCompilerMojo.java:59)
>         at 
> org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
>         at 
> org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
>         at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
>         at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
>         at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
>         at 
> org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
>         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.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)
> [INFO] 
> ------------------------------------------------------------------------
> It appears there is some dependency in testCompile that requires running the 
> goal within the Compile as extension?



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