java.lang.NullPointerException at org.netbeans.modules.maven.output.TestOutputListenerProvider.processLine(TestOutputListenerProvider.java:150) at org.netbeans.modules.maven.execute.AbstractOutputHandler.processLine(AbstractOutputHandler.java:316) at org.netbeans.modules.maven.execute.CommandLineOutputHandler$Output.run(CommandLineOutputHandler.java:353) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException at org.openide.util.RequestProcessor.post(RequestProcessor.java:420) at org.netbeans.modules.maven.execute.CommandLineOutputHandler.setStdOut(CommandLineOutputHandler.java:169) at org.netbeans.modules.maven.execute.MavenCommandLineExecutor.run(MavenCommandLineExecutor.java:303) at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:153)