[INFO] ----------------------------------------------------------------------------
[DEBUG] Trace
java.lang.NullPointerException
        at org.codehaus.plexus.component.configurator.converters.composite.CollectionConverter.fromConfiguration(CollectionConverter.java:181)
        at org.codehaus.plexus.component.configurator.converters.ComponentValueSetter.configure(ComponentValueSetter.java:247)
        at org.codehaus.plexus.component.configurator.converters.composite.ObjectWithFieldsConverter.processConfiguration(ObjectWithFieldsConverter.java:137)
        at org.codehaus.plexus.component.configurator.BasicComponentConfigurator.configureComponent(BasicComponentConfigurator.java:56)
        at org.apache.maven.plugin.DefaultPluginManager.populatePluginFields(DefaultPluginManager.java:1033)
        at org.apache.maven.plugin.DefaultPluginManager.getConfiguredMojo(DefaultPluginManager.java:579)
        at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:393)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:531)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:472)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:451)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:303)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:270)
        at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:139)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:322)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:115)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:249)
        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:585)
        at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
        at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
        at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
        at org.codehaus.classworlds.Launcher.main(Launcher.java:375)