[jira] [Commented] (MJLINK-42) NullPointerException when running jlink:jlink

["Thorsten Heit (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MJLINK-42?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060253#comment-17060253 ] 

Thorsten Heit commented on MJLINK-42:
-------------------------------------

The same here under Windows 8.1 x64:
{noformat}
openjdk version "13.0.2" 2020-01-14
OpenJDK Runtime Environment AdoptOpenJDK (build 13.0.2+8)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 13.0.2+8, mixed mode, sharing){noformat}
My project structure is basically the following:
{noformat}
- main
  +- mod-src
  +- mod-app
  \- mod-jlink {noformat}
The mod-src contains the source code. mod-app depends on mod-src and uses m-assembly-p and appassembler-maven-plugin to create a .tar.gz-version of the source that can be started via command line.

mod-jlink depends on mod-src and is of packaging type jlink as described in the docs.

> NullPointerException when running jlink:jlink
> ---------------------------------------------
>
>                 Key: MJLINK-42
>                 URL: https://issues.apache.org/jira/browse/MJLINK-42
>             Project: Maven JLink Plugin
>          Issue Type: Bug
>    Affects Versions: 3.0.0-alpha-1
>         Environment: macOS 10.14.6
> openjdk version "11.0.4" 2019-07-16 LTS
> OpenJDK Runtime Environment Zulu11.33+15-CA (build 11.0.4+11-LTS)
> OpenJDK 64-Bit Server VM Zulu11.33+15-CA (build 11.0.4+11-LTS, mixed mode)
>            Reporter: Dominique Gunia
>            Priority: Major
>
> Hi!
> I am getting a NullPointerException when running jlink:jlink:
> {code:java}
> Execution default-cli 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:224)
>  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:116)
>  at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
>  at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
>  at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
>  at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)
>  at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)
>  at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
>  at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
>  at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
>  at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>  at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  at java.base/java.lang.reflect.Method.invoke(Method.java:566)
>  at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
>  at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
>  at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
>  at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution default-cli 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:143)
>  at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
>  ... 19 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:132)
>  ... 20 more
> {code}
> Is this a known problem? How can it be fixed?
> Thank you very much! :)
>  



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