Apache Maven 3.0.3 (rNON-CANONICAL_2011-03-19_21-46_root; 2011-03-19 22:46:53+0100) Maven home: /opt/maven Java version: 1.6.0_23, vendor: Sun Microsystems Inc. Java home: /opt/java/jre Default locale: en_US, platform encoding: UTF-8 OS name: "linux", version: "2.6.36-arch", arch: "i386", family: "unix" [INFO] Error stacktraces are turned on. [DEBUG] Reading global settings from /opt/maven/conf/settings.xml [DEBUG] Reading user settings from /home/chris/.m2/settings.xml [DEBUG] Using local repository at /home/chris/.m2/repository [DEBUG] Using manager EnhancedLocalRepositoryManager with priority 10 for /home/chris/.m2/repository [INFO] Scanning for projects... [DEBUG] Extension realms for project Test:test:jar:1.0-SNAPSHOT: (none) [DEBUG] Looking up lifecyle mappings for packaging jar from ClassRealm[plexus.core, parent: null] [ERROR] Internal error: java.lang.NullPointerException -> [Help 1] org.apache.maven.InternalErrorException: Internal error: java.lang.NullPointerException at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:168) 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: java.lang.NullPointerException at org.apache.maven.model.plugin.DefaultReportingConverter.convertReporting(DefaultReportingConverter.java:118) at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:413) at org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:374) at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:536) at org.apache.maven.project.DefaultProjectBuilder.build(DefaultProjectBuilder.java:328) at org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:632) at org.apache.maven.DefaultMaven.getProjectsForMavenReactor(DefaultMaven.java:581) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:233) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156) ... 11 more [ERROR] [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/InternalErrorException