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When I switch to a new project, then set context root on web module and then execute a JSP page the IDE throws an exception: ==> *********** Exception occurred ************ at Thu Jan 02 20:16:25 NZDT 2003 java.lang.NullPointerException at org.netbeans.modules.tomcat.tomcat40.Tomcat40DataObject.setNewContext(Tomcat40DataObject.java:650) at org.netbeans.modules.tomcat.tomcat40.Tomcat40Installation.setTestComponent(Tomcat40Installation.java:656) at org.netbeans.modules.tomcat.tomcat40.Tomcat40Installation.incrementalDeploy(Tomcat40Installation.java:596) at org.netbeans.modules.tomcat.tomcat40.Tomcat40Instance.deploy(Tomcat40Instance.java:260) at org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager.doDeploy(DefaultServerInstanceManager.java:136) at org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager.startExecution(DefaultServerInstanceManager.java:150) at org.netbeans.modules.j2ee.impl.DefaultServerInstanceManager.serverInstanceStartExecution(DefaultServerInstanceManager.java:101) at org.netbeans.modules.j2ee.impl.DefaultExecPerformer.startExecution(DefaultExecPerformer.java:105) at org.netbeans.modules.web.execution.WebDefaultExecPerformer.startExecution(WebDefaultExecPerformer.java:256) at org.netbeans.modules.j2ee.impl.ServerExecutor.execute(ServerExecutor.java:74) at org.netbeans.modules.j2ee.impl.ServerExecutor.execute(ServerExecutor.java:64) at org.netbeans.modules.j2ee.impl.ExecSupport.start(ExecSupport.java:125) at org.netbeans.modules.j2ee.impl.ServerExecSupport.start(ServerExecSupport.java:141) at org.openide.actions.ExecuteAction.execute(ExecuteAction.java:139) at org.openide.actions.ExecuteAction.execute(ExecuteAction.java:236) at org.openide.actions.ExecuteAction.performAction(ExecuteAction.java:101) at org.openide.util.actions.NodeAction.performAction(NodeAction.java:179) at org.openide.util.actions.NodeAction.actionPerformed(NodeAction.java:170) at org.openide.awt.Actions.invokeAction(Actions.java:528) at org.openide.awt.Actions$ButtonBridge.actionPerformed(Actions.java:484) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1817) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:257) at javax.swing.AbstractButton.doClick(AbstractButton.java:289) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1109) at javax.swing.plaf.basic.BasicMenuItemUI$MouseInputHandler.mouseReleased(BasicMenuItemUI.java:943) at java.awt.Component.processMouseEvent(Component.java:5093) at java.awt.Component.processEvent(Component.java:4890) at java.awt.Container.processEvent(Container.java:1566) at java.awt.Component.dispatchEventImpl(Component.java:3598) at java.awt.Container.dispatchEventImpl(Container.java:1623) at java.awt.Component.dispatchEvent(Component.java:3439) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3450) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3165) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3095) at java.awt.Container.dispatchEventImpl(Container.java:1609) at java.awt.Window.dispatchEventImpl(Window.java:1585) at java.awt.Component.dispatchEvent(Component.java:3439) at java.awt.EventQueue.dispatchEvent(EventQueue.java:450) [catch] at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136) at java.awt.EventDispatchThread.run(EventDispatchThread.java:99) INFORMATIONAL *********** Exception occurred ************ at Thu Jan 02 20:16:41 NZDT 2003 java.lang.reflect.InvocationTargetException at sun.reflect.GeneratedMethodAccessor59.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at org.openide.awt.Actions.invokeAction(Actions.java:505) at org.openide.awt.Actions$ButtonBridge.actionPerformed(Actions.java:484) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764) at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1817) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:257) at javax.swing.AbstractButton.doClick(AbstractButton.java:289) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1109) at javax.swing.plaf.basic.BasicMenuItemUI$MouseInputHandler.mouseReleased(BasicMenuItemUI.java:943) at java.awt.Component.processMouseEvent(Component.java:5093) at java.awt.Component.processEvent(Component.java:4890) at java.awt.Container.processEvent(Container.java:1566) at java.awt.Component.dispatchEventImpl(Component.java:3598) at java.awt.Container.dispatchEventImpl(Container.java:1623) at java.awt.Component.dispatchEvent(Component.java:3439) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3450) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3165) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3095) at java.awt.Container.dispatchEventImpl(Container.java:1609) at java.awt.Window.dispatchEventImpl(Window.java:1585) at java.awt.Component.dispatchEvent(Component.java:3439) at java.awt.EventQueue.dispatchEvent(EventQueue.java:450) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136) at java.awt.EventDispatchThread.run(EventDispatchThread.java:99) Caused by: java.lang.IllegalStateException: RequestProcessor already stopped! at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:317) at org.openide.util.RequestProcessor.post(RequestProcessor.java:178) at org.openide.util.RequestProcessor.post(RequestProcessor.java:151) at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:111) [catch] ... 30 more ==>
*** Issue 29689 has been marked as a duplicate of this issue. ***
The issue is dependent on 26625. If a we webmodule is starded - it loks to tomcat's server.xml configuration file. In our case (Issue 26625), the server.xml file is unavailable.
Fixed. The fix of 26625 resolved this issue.
VERIFIED