java.lang.IllegalStateException: AntSession/AntEvent/TaskStructure method called after completion of Ant process
   at org.apache.tools.ant.module.bridge.impl.NbBuildLogger.verifyRunning(NbBuildLogger.java:220)
   at org.apache.tools.ant.module.bridge.impl.NbBuildLogger.access$200(NbBuildLogger.java:101)
   at org.apache.tools.ant.module.bridge.impl.NbBuildLogger$Event.getScriptLocation(NbBuildLogger.java:1010)
   at org.apache.tools.ant.module.spi.AntEvent.getScriptLocation(AntEvent.java:138)
   at org.apache.tools.ant.module.bridge.impl.NbBuildLogger.getInterestedLoggersByEvent(NbBuildLogger.java:260)
   at org.apache.tools.ant.module.bridge.impl.NbBuildLogger.messageLogged(NbBuildLogger.java:606)
   at org.apache.tools.ant.Project.fireMessageLoggedEvent(Project.java:2200)
   at org.apache.tools.ant.Project.fireMessageLogged(Project.java:2300)
   at org.apache.tools.ant.Project.log(Project.java:455)
   at org.apache.tools.ant.Task.log(Task.java:294)
   at org.apache.tools.ant.module.bridge.impl.ForkedJavaOverride$Copier.maybeFlush(ForkedJavaOverride.java:329)
   at org.apache.tools.ant.module.bridge.impl.ForkedJavaOverride$Copier.access$400(ForkedJavaOverride.java:232)
   at org.apache.tools.ant.module.bridge.impl.ForkedJavaOverride$Copier$1.run(ForkedJavaOverride.java:252)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)