java.lang.NullPointerException
   at org.netbeans.modules.ant.debugger.Utils.getLineNumber(Utils.java:170)
   at org.netbeans.modules.ant.debugger.AntDebugger.updateOutputWindow(AntDebugger.java:454)
   at org.netbeans.modules.ant.debugger.AntDebugger.updateUI(AntDebugger.java:445)
   at org.netbeans.modules.ant.debugger.AntDebugger.stopHere(AntDebugger.java:258)
   at org.netbeans.modules.ant.debugger.AntDebugger.elementStarted(AntDebugger.java:250)
   at org.netbeans.modules.ant.debugger.AntDebugger.taskStarted(AntDebugger.java:236)
   at org.netbeans.modules.ant.debugger.DebuggerAntLogger.taskStarted(DebuggerAntLogger.java:178)
   at org.apache.tools.ant.module.bridge.impl.NbBuildLogger.taskStarted(NbBuildLogger.java:494)
   at org.apache.tools.ant.Project.fireTaskStarted(Project.java:2182)
   at org.apache.tools.ant.Task.perform(Task.java:344)
   at org.apache.tools.ant.Target.execute(Target.java:390)
   at org.apache.tools.ant.helper.ProjectHelper2.parse(ProjectHelper2.java:179)
   at org.apache.tools.ant.module.bridge.impl.BridgeImpl.run(BridgeImpl.java:228)
   at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:539)
   at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:154)