[ 
https://issues.apache.org/jira/browse/MJLINK-4?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16394636#comment-16394636
 ] 

Bernd Eckenfels commented on MJLINK-4:
--------------------------------------

I can confirm the NPE is gone with 

https://repository.apache.org/content/repositories/snapshots/org/apache/maven/plugins/maven-jlink-plugin/3.0.0-alpha-2-SNAPSHOT/

> NPE on execution 
> -----------------
>
>                 Key: MJLINK-4
>                 URL: https://issues.apache.org/jira/browse/MJLINK-4
>             Project: Maven JLink Plugin
>          Issue Type: Bug
>    Affects Versions: 3.0.0-alpha-1
>         Environment: Ubuntu 16.04.3 LTS
> Linux 4.4.0-93-generic
>            Reporter: Johannes Boesl
>            Assignee: Robert Scholte
>            Priority: Major
>             Fix For: 3.0.0-alpha-2
>
>
> When I try to run my maven build I get the following exception:
> {noformat}[ERROR] Failed to execute goal 
> org.apache.maven.plugins:maven-jlink-plugin:3.0.0-alpha-1:jlink 
> (default-jlink) on project jloadr-jre: Execution default-jlink of goal 
> org.apache.maven.plugins:maven-jlink-plugin:3.0.0-alpha-1:jlink failed.: 
> NullPointerException -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal org.apache.maven.plugins:maven-jlink-plugin:3.0.0-alpha-1:jlink 
> (default-jlink) on project jloadr-jre: Execution default-jlink of goal 
> org.apache.maven.plugins:maven-jlink-plugin:3.0.0-alpha-1:jlink failed.
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:213)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)
>       at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
>       at 
> org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:200)
>       at 
> org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:196)
>       at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>       at 
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
>       at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
>       at 
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
>       at 
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
>       at java.base/java.lang.Thread.run(Thread.java:844)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution 
> default-jlink of goal 
> org.apache.maven.plugins:maven-jlink-plugin:3.0.0-alpha-1:jlink failed.
>       at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:145)
>       at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
>       ... 11 more
> Caused by: java.lang.NullPointerException
>       at 
> org.codehaus.plexus.languages.java.jpms.ResolvePathsRequest$1.toPath(ResolvePathsRequest.java:52)
>       at 
> org.codehaus.plexus.languages.java.jpms.ResolvePathsRequest$1.toPath(ResolvePathsRequest.java:48)
>       at 
> org.codehaus.plexus.languages.java.jpms.LocationManager.resolvePaths(LocationManager.java:109)
>       at 
> org.apache.maven.plugins.jlink.JLinkMojo.preparePaths(JLinkMojo.java:347)
>       at org.apache.maven.plugins.jlink.JLinkMojo.execute(JLinkMojo.java:264)
>       at 
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
>       ... 12 more{quote}
> {noformat}
> The cause seems to be that the following code in line 337 in JLinkMojo 
> returns a collection with only 'null' entries:
> {{Collection<File> dependencyArtifacts = getCompileClasspathElements( 
> getProject() );}}



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Reply via email to