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  1. Maven Shade Plugin
  2. MSHADE-253

NullPointerException if minimizeJar == true && packaging == pom

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.1.0
    • Labels:
      None

      Description

      NullPointerException is thrown if minimizeJar == true && packaging == pom

      Discovered when trying to configure shading a parent pom (With packaging == pom) so all submodules will shade using this configuration.

      Stack trace:

      [ERROR] Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:2.4.3:shade (*****) on project *****: Error creating shaded jar: null: NullPointerException -> [Help 1]
      org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-shade-plugin:2.4.3:shade (*****) on project *****: Error creating shaded jar: null
      	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
      	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:128)
      	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
      	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
      	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
      	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
      	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
      	at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	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.MojoExecutionException: Error creating shaded jar: null
      	at org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java:540)
      	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
      	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
      	... 20 more
      Caused by: java.lang.NullPointerException
      	at java.io.FileInputStream.<init>(FileInputStream.java:130)
      	at org.apache.maven.plugins.shade.filter.MinijarFilter.<init>(MinijarFilter.java:94)
      	at org.apache.maven.plugins.shade.mojo.ShadeMojo.getFilters(ShadeMojo.java:814)
      	at org.apache.maven.plugins.shade.mojo.ShadeMojo.execute(ShadeMojo.java:446)
      	... 22 more
      

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              • Assignee:
                bmargulies Benson Margulies
                Reporter:
                aviemzur Aviem Zur
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                Dates

                • Created:
                  Updated:
                  Resolved: