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Build 0700728. I switched my project to run in glassfish after using Tomcat 6 for a while. Upon closing the project properties dialog, the following exception was thrown and at the same time I got a dialog saying my sun-web.xml file was corrupted and needed to be overwritten. java.lang.IllegalStateException: WARNING: Going from readAccess to writeAccess, see #10778: http://www.netbeans.org/issues/show_bug.cgi?id=10778 at org.openide.util.Mutex.enterImpl(Mutex.java:573) at org.openide.util.Mutex.enter(Mutex.java:538) at org.openide.util.Mutex.writeEnter(Mutex.java:516) at org.openide.util.Mutex.writeAccess(Mutex.java:382) at org.netbeans.modules.j2ee.sun.ide.j2ee.ModuleConfigurationImpl$StaticBuildExtensionListener.reactToInstanceChange (ModuleConfigurationImpl.java:385) at org.netbeans.modules.j2ee.sun.ide.j2ee.ModuleConfigurationImpl$StaticBuildExtensionListener.instanceAdded(ModuleConfigurationImpl.java:377) at org.netbeans.modules.j2ee.sun.ide.j2ee.ModuleConfigurationImpl.<init>(ModuleConfigurationImpl.java:116) at org.netbeans.modules.j2ee.sun.ide.j2ee.ModConFactory.create(ModConFactory.java:41) at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.getModuleConfiguration(ConfigSupportImpl.java:673) at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.ensureConfigurationReady(ConfigSupportImpl.java:195) [catch] at org.netbeans.modules.j2ee.deployment.devmodules.spi.J2eeModuleProvider.fireServerChange(J2eeModuleProvider.java:700) at org.netbeans.modules.web.project.ProjectWebModule.propertyChange(ProjectWebModule.java:496) at org.netbeans.spi.project.support.ant.PropertyUtils$SequentialPropertyEvaluator.stateChanged(PropertyUtils.java:857) at org.openide.util.WeakListenerImpl$Change.stateChanged(WeakListenerImpl.java:297) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:101) at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:87) at org.netbeans.spi.project.support.ant.ProjectProperties$PP$2.run(ProjectProperties.java:310) at org.netbeans.spi.project.support.ant.ProjectProperties$PP$2.run(ProjectProperties.java:309) at org.openide.util.Mutex.readAccess(Mutex.java:230) at org.netbeans.spi.project.support.ant.ProjectProperties$PP.fireChange(ProjectProperties.java:316) at org.netbeans.spi.project.support.ant.ProjectProperties$PP.put(ProjectProperties.java:188) at org.netbeans.spi.project.support.ant.ProjectProperties.putProperties(ProjectProperties.java:101) at org.netbeans.spi.project.support.ant.AntProjectHelper$8.run(AntProjectHelper.java:650) at org.netbeans.spi.project.support.ant.AntProjectHelper$8.run(AntProjectHelper.java:649) at org.openide.util.Mutex.writeAccess(Mutex.java:321) at org.netbeans.spi.project.support.ant.AntProjectHelper.putProperties(AntProjectHelper.java:648) at org.netbeans.modules.web.project.UpdateHelper$2.run(UpdateHelper.java:127) at org.openide.util.Mutex.writeAccess(Mutex.java:385) at org.netbeans.modules.web.project.UpdateHelper.putProperties(UpdateHelper.java:124) at org.netbeans.modules.web.project.ui.customizer.WebProjectProperties.storeProperties(WebProjectProperties.java:529) at org.netbeans.modules.web.project.ui.customizer.WebProjectProperties.access$100(WebProjectProperties.java:81) at org.netbeans.modules.web.project.ui.customizer.WebProjectProperties$2.run(WebProjectProperties.java:362) at org.openide.util.Mutex.writeAccess(Mutex.java:357) at org.netbeans.modules.web.project.ui.customizer.WebProjectProperties.save(WebProjectProperties.java:360) at org.netbeans.modules.web.project.ui.customizer.CustomizerProviderImpl$OptionListener.actionPerformed(CustomizerProviderImpl.java:138) at org.netbeans.modules.project.uiapi.CustomizerDialog$OptionListener$1.run(CustomizerDialog.java:182) at org.openide.util.Mutex.writeAccess(Mutex.java:321) at org.netbeans.modules.project.uiapi.CustomizerDialog$OptionListener.actionPerformed(CustomizerDialog.java:180) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234) at java.awt.Component.processMouseEvent(Component.java:5554) at javax.swing.JComponent.processMouseEvent(JComponent.java:3126) at java.awt.Component.processEvent(Component.java:5319) at java.awt.Container.processEvent(Container.java:2010) at java.awt.Component.dispatchEventImpl(Component.java:4021) at java.awt.Container.dispatchEventImpl(Container.java:2068) at java.awt.Component.dispatchEvent(Component.java:3869) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3936) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866) at java.awt.Container.dispatchEventImpl(Container.java:2054) at java.awt.Window.dispatchEventImpl(Window.java:1774) at java.awt.Component.dispatchEvent(Component.java:3869) at java.awt.EventQueue.dispatchEvent(EventQueue.java:463) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176) at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
-> sunappserv
*** This issue has been marked as a duplicate of 111571 ***