java.lang.IllegalArgumentException: Called DataObject.find on null
   at org.openide.loaders.DataObject.find(DataObject.java:551)
   at org.netbeans.modules.tomcat5.config.TomcatModuleConfiguration.init(TomcatModuleConfiguration.java:136)
   at org.netbeans.modules.tomcat5.config.TomcatModuleConfiguration.<init>(TomcatModuleConfiguration.java:118)
   at org.netbeans.modules.tomcat5.config.TomcatModuleConfigurationFactory.create(TomcatModuleConfigurationFactory.java:87)
   at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl$1.run(ConfigSupportImpl.java:802)
   at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl$1.run(ConfigSupportImpl.java:784)
   at org.openide.util.Mutex.readAccess(Mutex.java:295)
   at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.getModuleConfiguration(ConfigSupportImpl.java:784)
   at org.netbeans.modules.j2ee.deployment.config.ConfigSupportImpl.getWebContextRoot(ConfigSupportImpl.java:258)
   at org.netbeans.modules.web.project.ProjectWebModule.getContextPath(ProjectWebModule.java:184)
   at org.netbeans.modules.web.project.ui.customizer.WebProjectProperties.init(WebProjectProperties.java:492)
   at org.netbeans.modules.web.project.ui.customizer.WebProjectProperties.<init>(WebProjectProperties.java:358)
   at org.netbeans.modules.web.project.ui.customizer.CustomizerProviderImpl.showCustomizer(CustomizerProviderImpl.java:117)
   at org.netbeans.modules.java.api.common.project.ui.JavaSourceNodeFactory$PreselectPropertiesAction.actionPerformed(JavaSourceNodeFactory.java:423)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:376)
   at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877)
   at java.awt.Component.processMouseEvent(Component.java:6505)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
   at java.awt.Component.processEvent(Component.java:6270)
   at java.awt.Container.processEvent(Container.java:2229)
   at java.awt.Component.dispatchEventImpl(Component.java:4861)
   at java.awt.Container.dispatchEventImpl(Container.java:2287)
   at java.awt.Component.dispatchEvent(Component.java:4687)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4832)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4492)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4422)
   at java.awt.Container.dispatchEventImpl(Container.java:2273)
   at java.awt.Window.dispatchEventImpl(Window.java:2719)
   at java.awt.Component.dispatchEvent(Component.java:4687)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
   at java.awt.EventQueue.access$200(EventQueue.java:103)
   at java.awt.EventQueue$3.run(EventQueue.java:694)
   at java.awt.EventQueue$3.run(EventQueue.java:692)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
   at java.awt.EventQueue$4.run(EventQueue.java:708)
   at java.awt.EventQueue$4.run(EventQueue.java:706)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)