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https://issues.apache.org/jira/browse/MJLINK-42?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17076881#comment-17076881
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Leif Gruenwoldt edited comment on MJLINK-42 at 4/7/20, 4:03 AM:
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I was getting this too until I changed maven-compiler-plugin configuration to
source & target from 8 to 11.
was (Author: leif81):
I was getting this too until I changed maven-compiler-plugin configuration to
source & target of 11.
> 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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