java.lang.Throwable: Locked by:
        at org.openide.filesystems.FileLock.<init>(FileLock.java:80)
        at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.<init>(LockForFile.java:89)
Caused: org.openide.filesystems.FileAlreadyLockedException: D:\Service\Profiles\ecastro\Desktop\tpj\tpj\target\classes\tp\gui\resources\NewJFrame.properties
        at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.registerLock(LockForFile.java:112)
        at org.netbeans.modules.masterfs.filebasedfs.fileobjects.LockForFile.tryLock(LockForFile.java:101)
        at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObj.lock(FileObj.java:313)
        at org.netbeans.modules.maven.cos.CopyResourcesOnSave.copySrcToDest(CopyResourcesOnSave.java:114)
        at org.netbeans.modules.maven.cos.CopyResourcesOnSave.handleCopyFileToDestDir(CopyResourcesOnSave.java:284)
        at org.netbeans.modules.maven.cos.CopyResourcesOnSave.handleCopyFileToDestDir(CopyResourcesOnSave.java:272)
        at org.netbeans.modules.maven.cos.CopyResourcesOnSave.fileChanged(CopyResourcesOnSave.java:164)
        at org.netbeans.modules.maven.cos.CopyResourcesOnSave$1.run(CopyResourcesOnSave.java:154)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1070)