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  1. CXF
  2. CXF-5287

NPE at org.apache.cxf.maven_plugin.ClassLoaderSwitcher.restoreClassLoader

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: 2.7.6
    • Fix Version/s: 2.7.8, 2.6.11
    • Component/s: Tooling
    • Labels:
    • Estimated Complexity:
      Unknown

      Description

      Maven plugin throws exception when running build.

      Failed to execute goal org.apache.cxf:cxf-java2ws-plugin:2.7.6:java2ws (Generate UtafService.wsdl) on project temip-ca-alarms-from-temip-utaf-bc: Execution Generate UtafService.wsdl of goal org.apache.cxf:cxf-java2ws-plugin:2.7.6:java2ws failed. NullPointerException -> [Help 1]
      org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.cxf:cxf-java2ws-plugin:2.7.6:java2ws (Generate UtafService.wsdl) on project temip-ca-alarms-from-temip-utaf-bc: Execution Generate UtafService.wsdl of goal org.apache.cxf:cxf-java2ws-plugin:2.7.6:java2ws failed.
      	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
      	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:84)
      	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
      	at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
      	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
      	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
      	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
      	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
      	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
      	at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
      	at java.lang.reflect.Method.invoke(Method.java:597)
      	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
      	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
      	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
      	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
      Caused by: org.apache.maven.plugin.PluginExecutionException: Execution Generate UtafService.wsdl of goal org.apache.cxf:cxf-java2ws-plugin:2.7.6:java2ws failed.
      	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
      	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
      	... 19 more
      Caused by: java.lang.NullPointerException
      	at org.apache.cxf.maven_plugin.ClassLoaderSwitcher.restoreClassLoader(ClassLoaderSwitcher.java:120)
      	at org.apache.cxf.maven_plugin.Java2WSMojo.execute(Java2WSMojo.java:233)
      	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
      	... 20 more
      

      According to source it fails when it tries to restore system properties. This can only happen when switchClassLoader() was never called.

        Attachments

        1. CXF-5287-fix.patch
          2 kB
          Nikolay Martynov

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              • Assignee:
                dkulp Daniel Kulp
                Reporter:
                nickolay_martinov Nikolay Martynov
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                • Created:
                  Updated:
                  Resolved: