2013-02-26 147 views
0

我使用脫機設置的步驟完成了安裝WSO2 Developer Studio的安裝步驟。我完成了安裝,但是當我嘗試打開任何Eclipse中的WSO2視角我得到的錯誤,如下列:安裝WSO2 Developer Studio失敗

eclipse.buildId=I20110613-1736 
java.version=1.6.0_29 
java.vendor=Apple Inc. 
BootLoader constants: OS=macosx, ARCH=x86_64, WS=cocoa, NL=en_US 
Framework arguments: -product org.eclipse.epp.package.javascript.product -keyring /Users/sowens/.eclipse_keyring -showlocation 
Command-line arguments: -os macosx -ws cocoa -arch x86_64 -product org.eclipse.epp.package.javascript.product -keyring /Users/sowens/.eclipse_keyring -showlocation 

Error 
Mon Feb 25 16:30:26 PST 2013 
Unable to create view ID org.eclipse.ui.navigator.ProjectExplorer: An unexpected exception was thrown. 

java.lang.NullPointerException 
    at org.wso2.developerstudio.eclipse.platform.ui.provider.FilterNestedProjects.getPathList(FilterNestedProjects.java:54) 
    at org.wso2.developerstudio.eclipse.platform.ui.provider.FilterNestedProjects.select(FilterNestedProjects.java:35) 
    at org.eclipse.jface.viewers.ViewerFilter.filter(ViewerFilter.java:51) 
    at org.eclipse.jface.viewers.StructuredViewer.getFilteredChildren(StructuredViewer.java:921) 
    at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:605) 
    at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:805) 
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) 
    at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:782) 
    at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:644) 
    at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:753) 
    at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1533) 
    at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:833) 
    at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1517) 
    at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1443) 
    at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:403) 
    at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1404) 
    at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1510) 
    at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:280) 
    at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1690) 
    at org.eclipse.ui.navigator.CommonNavigator.createPartControl(CommonNavigator.java:212) 
    at org.eclipse.ui.navigator.resources.ProjectExplorer.createPartControl(ProjectExplorer.java:75) 
    at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:375) 
    at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:229) 
    at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) 
    at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:313) 
    at org.eclipse.ui.internal.ViewPane.setVisible(ViewPane.java:534) 
    at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180) 
    at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270) 
    at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65) 
    at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473) 
    at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1245) 
    at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1198) 
    at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1597) 
    at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:643) 
    at org.eclipse.ui.internal.PartStack.createControl(PartStack.java:570) 
    at org.eclipse.ui.internal.PartSashContainer.createControl(PartSashContainer.java:568) 
    at org.eclipse.ui.internal.PerspectiveHelper.activate(PerspectiveHelper.java:272) 
    at org.eclipse.ui.internal.Perspective.onActivate(Perspective.java:981) 
    at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:3713) 
    at org.eclipse.ui.internal.WorkbenchPage.busySetPerspective(WorkbenchPage.java:1115) 
    at org.eclipse.ui.internal.WorkbenchPage.access$16(WorkbenchPage.java:1099) 
    at org.eclipse.ui.internal.WorkbenchPage$19.run(WorkbenchPage.java:3814) 
    at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70) 
    at org.eclipse.ui.internal.WorkbenchPage.setPerspective(WorkbenchPage.java:3812) 
    at org.eclipse.ui.handlers.ShowPerspectiveHandler.openPerspective(ShowPerspectiveHandler.java:146) 
    at org.eclipse.ui.handlers.ShowPerspectiveHandler.openOther(ShowPerspectiveHandler.java:118) 
    at org.eclipse.ui.handlers.ShowPerspectiveHandler.execute(ShowPerspectiveHandler.java:57) 
    at org.eclipse.ui.internal.handlers.HandlerProxy.execute(HandlerProxy.java:293) 
    at org.eclipse.core.commands.Command.executeWithChecks(Command.java:476) 
    at org.eclipse.ui.internal.handlers.HandlerService.executeCommand(HandlerService.java:178) 
    at org.eclipse.ui.internal.handlers.SlaveHandlerService.executeCommand(SlaveHandlerService.java:247) 
    at org.eclipse.ui.actions.PerspectiveMenu.runOther(PerspectiveMenu.java:376) 
    at org.eclipse.ui.actions.PerspectiveMenu$3.runWithEvent(PerspectiveMenu.java:130) 
    at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:584) 
    at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:501) 
    at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:411) 
    at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84) 
    at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4125) 
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1457) 
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1480) 
    at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1465) 
    at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1270) 
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3971) 
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3610) 
    at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696) 
    at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660) 
    at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494) 
    at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674) 
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) 
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667) 
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) 
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123) 
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) 
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110) 
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79) 
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344) 
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
    at java.lang.reflect.Method.invoke(Method.java:597) 
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622) 
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577) 
    at org.eclipse.equinox.launcher.Main.run(Main.java:1410) 

上出了什麼問題有什麼想法?

回答

0

我們已經分析了這個特定的代碼段,但它似乎沒有能力從那裏生成NPE。

因此,我們認爲這個NPE可能隱藏了真正的原因,而是拋出了這個異常。

但是,在即將到來的Developer Studio 3.0.0發行版中,我們已經針對這個特定的類進行了一些性能改進。

您可以從here下載Developer Studio 3.0.0 RC1預覽P2回購並查看您的問題是否仍然存在。

在啓動Eclipse實例之前,請確保您的Eclipse工作區位置具有必要的文件系統權限。

/Harshana