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https://issues.apache.org/jira/browse/MARMOTTA-71?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Sergio Fernández resolved MARMOTTA-71.
--------------------------------------

    Resolution: Fixed

null-safe condition, see 
https://code.google.com/p/lmf/source/detail?r=40cece8b00b3e13cd423d86bf97450364f78771a
                
> NullPointerException building the installer
> -------------------------------------------
>
>                 Key: MARMOTTA-71
>                 URL: https://issues.apache.org/jira/browse/MARMOTTA-71
>             Project: Marmotta
>          Issue Type: Bug
>          Components: Build Environment
>            Reporter: Sergio Fernández
>            Assignee: Sergio Fernández
>            Priority: Minor
>   Original Estimate: 10m
>  Remaining Estimate: 10m
>
> After upgrating to the latest version of Tomcat, I realized that building the 
> installer fails due a NullPointerException at the refpack-maven-plugin:
> [ERROR] Failed to execute goal 
> at.newmedialab.maven:refpack-maven-plugin:2.6.0-SNAPSHOT:generate (default) 
> on project lmf-installer: Execution default of goal 
> at.newmedialab.maven:refpack-maven-plugin:2.6.0-SNAPSHOT:generate failed. 
> NullPointerException -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal at.newmedialab.maven:refpack-maven-plugin:2.6.0-SNAPSHOT:generate 
> (default) on project lmf-installer: Execution default of goal 
> at.newmedialab.maven:refpack-maven-plugin:2.6.0-SNAPSHOT:generate failed.
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
>       at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
>       at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
>       at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
>       at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
>       at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:616)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
>       at org.codehaus.plexus.classworlds.launcher.Launcher.Installer built 
> failsmainWithExitCode(Launcher.java:409)
>       at 
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution 
> default of goal 
> at.newmedialab.maven:refpack-maven-plugin:2.6.0-SNAPSHOT:generate failed.
>       at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
>       ... 19 more
> Caused by: java.lang.NullPointerException
>       at 
> at.newmedialab.maven.plugins.refpack.RefPackMojo.collectLibraryDependencies(RefPackMojo.java:214)
>       at 
> at.newmedialab.maven.plugins.refpack.RefPackMojo.processModule(RefPackMojo.java:259)
>       at 
> at.newmedialab.maven.plugins.refpack.RefPackMojo.execute(RefPackMojo.java:178)
>       at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
>       ... 20 more

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