java.lang.IllegalArgumentException: Parameter file was not normalized. Was C:\p4\utilities\projects\ConcurrentAPIServer\#  .. instead of C:\p4\utilities\projects\ConcurrentAPIServer\#
        at org.openide.filesystems.FileUtil.toFileObject(FileUtil.java:864)
        at org.netbeans.modules.java.source.usages.fcs.FileChangeSupport$Holder.locateCurrent(FileChangeSupport.java:140)
        at org.netbeans.modules.java.source.usages.fcs.FileChangeSupport$Holder.someChange(FileChangeSupport.java:181)
        at org.netbeans.modules.java.source.usages.fcs.FileChangeSupport$Holder.fileChanged(FileChangeSupport.java:202)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:136)
        at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:122)
        at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:99)
        at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1014)
        at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:203)
        at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:177)
        at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:122)
        at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:509)
        at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:430)
        at org.openide.text.DataEditorSupport.saveDocument(DataEditorSupport.java:415)
        at org.apache.tools.ant.module.loader.AntProjectDataEditor$AntEnv.save(AntProjectDataEditor.java:174)
        at org.netbeans.core.NbTopManager.saveAll(NbTopManager.java:402)
        at org.netbeans.core.NbTopManager.access$600(NbTopManager.java:94)
        at org.netbeans.core.NbTopManager$NbLifecycleManager.saveAll(NbTopManager.java:557)
        at org.apache.tools.ant.module.run.TargetExecutor.run(TargetExecutor.java:413)
        at org.netbeans.core.execution.RunClassThread.run(RunClassThread.java:151)