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  1. WildFly
  2. WFLY-4540

NPE if dependency missing

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Details

    • Bug
    • Resolution: Done
    • Major
    • 10.0.0.Alpha4
    • 9.0.0.Beta2
    • Build System
    • None

    Description

      When creating a feature pack, a missing dependency caused the AetherArtifactFile resolver to throw an NPE. However, it did not give any clue as to which dependency was missing. I will submit a patch for this so that a proper error message can accompany a RuntimeException.

      Here is the stack trace for the NPE:

      org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.wildfly.build:wildfly-feature-pack-build-maven-plugin:1.0.0.Alpha8:build (feature-pack-
      build) on project keycloak-feature-pack-adapter: Execution feature-pack-build of goal org.wildfly.build:wildfly-feature-pack-build-maven-plugin:1.0.0.Alpha8:build failed:
       java.lang.RuntimeException: java.lang.NullPointerException
              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:582)
              at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:214)
              at org.apache.maven.cli.MavenCli.main(MavenCli.java:158)
              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:497)
              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 feature-pack-build of goal org.wildfly.build:wildfly-feature-pack-build-maven-plugin:1.0.0.Alpha8:b
      uild failed: java.lang.RuntimeException: java.lang.NullPointerException
              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.RuntimeException: java.lang.RuntimeException: java.lang.NullPointerException
              at org.wildfly.build.plugin.FeaturePackBuildMojo.execute(FeaturePackBuildMojo.java:119)
              at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
              ... 20 more
      Caused by: java.lang.RuntimeException: java.lang.NullPointerException
              at org.wildfly.build.featurepack.FeaturePackBuilder.build(FeaturePackBuilder.java:87)
              at org.wildfly.build.plugin.FeaturePackBuildMojo.execute(FeaturePackBuildMojo.java:117)
              ... 21 more
      Caused by: java.lang.NullPointerException
              at org.wildfly.build.AetherArtifactFileResolver.getArtifactFile(AetherArtifactFileResolver.java:66)
              at org.wildfly.build.pack.model.FeaturePackFactory.createPack(FeaturePackFactory.java:66)
              at org.wildfly.build.pack.model.FeaturePackFactory.createPack(FeaturePackFactory.java:50)
              at org.wildfly.build.featurepack.FeaturePackBuilder.processDependencies(FeaturePackBuilder.java:108)
              at org.wildfly.build.featurepack.FeaturePackBuilder.build(FeaturePackBuilder.java:81)
              ... 22 more
      [ERROR]
      

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            ssilvert@redhat.com Stan Silvert
            ssilvert@redhat.com Stan Silvert
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              Created:
              Updated:
              Resolved: