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java.lang.AssertionError at org.netbeans.spi.project.support.ant.ProjectProperties$PP.write(ProjectProperties.java:216) at org.netbeans.spi.project.support.ant.ProjectProperties.write(ProjectProperties.java:133) at org.netbeans.spi.project.support.ant.AntProjectHelper.save(AntProjectHelper.java:572) at org.netbeans.spi.project.support.ant.AntProjectHelper.access$100(AntProjectHelper.java:92) at org.netbeans.spi.project.support.ant.AntProjectHelper$1.save(AntProjectHelper.java:130) at org.netbeans.modules.project.ant.AntBasedProjectFactorySingleton.saveProject(AntBasedProjectFactorySingleton.java:215) at org.netbeans.api.project.ProjectManager$7.run(ProjectManager.java:611) at org.netbeans.api.project.ProjectManager$7.run(ProjectManager.java:601) at org.openide.util.Mutex.writeAccess(Mutex.java:433) at org.openide.util.Mutex$1R.run(Mutex.java:1305) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1318) at org.openide.util.Mutex.writeAccess(Mutex.java:426) at org.netbeans.api.project.ProjectManager.saveProject(ProjectManager.java:600) at org.netbeans.modules.j2ee.common.project.classpath.LibrariesLocationUpdater$2$1.run(LibrariesLocationUpdater.java:232) at org.openide.util.Mutex.writeAccess(Mutex.java:469) at org.openide.util.Mutex$1R.run(Mutex.java:1307) at org.netbeans.api.project.ProjectManager$2$1.run(ProjectManager.java:120) at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:120) at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:499) at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:214) at org.netbeans.api.project.ProjectManager$2.execute(ProjectManager.java:118) at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320) at org.openide.util.Mutex.writeAccess(Mutex.java:458) at org.netbeans.modules.j2ee.common.project.classpath.LibrariesLocationUpdater$2.run(LibrariesLocationUpdater.java:216) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) at org.netbeans.jemmy.QueueTool$JemmyQueue.dispatchEvent(QueueTool.java:610) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:153) at java.awt.Dialog$1.run(Dialog.java:535) at java.awt.Dialog$2.run(Dialog.java:565) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Dialog.show(Dialog.java:563) at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:834) at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:868) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:856) at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:104) at org.openide.util.Mutex.doEventAccess(Mutex.java:1355) at org.openide.util.Mutex.readAccess(Mutex.java:268) at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:841) at java.awt.Component.show(Component.java:1302) at java.awt.Component.setVisible(Component.java:1255) at org.openide.loaders.TemplateWizard.instantiateImpl(TemplateWizard.java:502) at org.openide.loaders.TemplateWizard.instantiate(TemplateWizard.java:369) at org.netbeans.modules.project.ui.actions.NewProject$2.run(NewProject.java:139) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:461) at org.netbeans.jemmy.QueueTool$JemmyQueue.dispatchEvent(QueueTool.java:610) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
Already working on it. *** This issue has been marked as a duplicate of 125231 ***
Jesse, do you know what kind of projects was it?
It was an automated test failure. You can look at the test yourself to see.