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Hi, I have a problem
When I open the principal.jsp a jsp file with Eclipse 6.0 MyEclipse JSP Visual Designer I get the following error:
java.lang.NullPointerException
at com.genuitec.eclipse.webdesigner3.src.SourceEditSystem.getSourceDocument(SourceEditSystem.java:233)
at com.genuitec.eclipse.webdesigner3.design.DesignEditSystem.synchronize(DesignEditSystem.java:167)
at com.genuitec.eclipse.webdesigner3.AbstractEditSystem.setSynchronized(AbstractEditSystem.java:24)
at com.genuitec.eclipse.webdesigner3.WebDesigner3.setSynchronized(WebDesigner3.java:113)
at com.genuitec.eclipse.webdesigner3.editors.WebDesignerMultiPageEditor.checkSynchronization(WebDesignerMultiPageEditor.java:936)
at com.genuitec.eclipse.webdesigner3.editors.WebDesignerMultiPageEditor.access$6(WebDesignerMultiPageEditor.java:932)
at com.genuitec.eclipse.webdesigner3.editors.WebDesignerMultiPageEditor$10.run(WebDesignerMultiPageEditor.java:909)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at com.genuitec.eclipse.webdesigner3.editors.WebDesignerMultiPageEditor.designPageChange(WebDesignerMultiPageEditor.java:907)
at com.genuitec.eclipse.webdesigner3.editors.WebDesignerMultiPageEditor.pageChange(WebDesignerMultiPageEditor.java:881)
at org.eclipse.ui.part.MultiPageEditorPart.setActivePage(MultiPageEditorPart.java:697)
at org.eclipse.ui.part.MultiPageEditorPart.createPartControl(MultiPageEditorPart.java:287)
at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661)
at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:426)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:592)
at org.eclipse.ui.internal.EditorReference.getEditor(EditorReference.java:263)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2721)
at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2633)
at org.eclipse.ui.internal.WorkbenchPage.access$12(WorkbenchPage.java:2625)
at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2577)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2572)
at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2556)
at org.eclipse.ui.actions.OpenWithMenu.openEditor(OpenWithMenu.java:340)
at org.eclipse.ui.actions.OpenWithMenu.access$0(OpenWithMenu.java:328)
at org.eclipse.ui.actions.OpenWithMenu$2.handleEvent(OpenWithMenu.java:190)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:938)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3682)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3293)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2389)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2353)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2219)
at org.eclipse.ui.internal.Workbench$4.run(Workbench.java:466)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:289)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:461)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:106)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:153)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:106)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:76)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:363)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:176)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:504)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:443)
at org.eclipse.equinox.launcher.Main.run(Main.java:1169)
at org.eclipse.equinox.launcher.Main.main(Main.java:1144)Can you switch to a new workspace by going to File > Switch Workspace > Other > c:\temp, create a new project, add a jsp file to it and try opeing the file. Do you still get the null pointer exception.
I had a similar error that happened with some JSP’s but not others. Eclipse would totally close down. It was trying to open the JSP’s using either the JSF or the JSP Visual Designer. I started opening the JSP’s with the MyEclipse JSP Editor instead and the problem went away.
Hi jstrike,
Can you paste a sample jsp file here for me which fails to open in the JSP visual Designer. I can test this at my end and file a bug if the problem exists.You can go to Windows > Preferences > General > Editor > File Association and change the default editor for *.jsp
@support-nipun wrote:
You can go to Windows > Preferences > General > Editor > File Association and change the default editor for *.jsp
Thanks
