Question

使用XML编辑器打开xml文件时，我在IBM RAD中遇到以下错误：

An error has occurred. See error log for more details.
Aborted cyclic load attempt for model with id: /Example/src/com/example/resources/example-config.xml

打开错误日志会显示同一错误的多个实例：Unhandled event loop exception

查看错误具有以下堆栈跟踪：

java.lang.NullPointerException
    at org.eclipse.swt.custom.CTabFolder.getItem(Unknown Source)
    at org.eclipse.swt.custom.CTabFolder._getToolTip(Unknown Source)
    at org.eclipse.swt.custom.CTabFolder._setToolTipText(Unknown Source)
    at org.eclipse.swt.custom.CTabFolder.onMouse(Unknown Source)
    at org.eclipse.swt.custom.CTabFolder$1.handleEvent(Unknown Source)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)
    at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)
    at org.eclipse.ui.internal.Workbench.access$4(Unknown Source)
    at org.eclipse.ui.internal.Workbench$7.run(Unknown Source)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Unknown Source)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(Unknown Source)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Unknown Source)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Unknown Source)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unknown Source)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
    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(Unknown Source)
    at org.eclipse.equinox.launcher.Main.basicRun(Unknown Source)
    at org.eclipse.equinox.launcher.Main.run(Unknown Source)
    at org.eclipse.equinox.launcher.Main.main(Unknown Source)

以及以下会话数据：

eclipse.buildId=unknown
java.fullversion=JRE 1.6.0 IBM J9 2.4 Windows 7 x86-32 jvmwi3260sr11-20120801_118201 (JIT enabled, AOT enabled)
J9VM - 20120801_118201
JIT  - r9_20120608_24176ifx1
GC   - 20120516_AA
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Framework arguments:  -product com.ibm.rational.rad.product.v80.ide
Command-line arguments:  -os win32 -ws win32 -arch x86 -product com.ibm.rational.rad.product.v80.ide`

我还看到原始中止循环加载尝试错误的记录，其中包含堆栈跟踪的错误：

org.eclipse.core.runtime.OperationCanceledException: Aborted cyclic load attempt for model with id: /Example/src/com/prototype/resources/example-config.xml
    at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl$SharedObject.loop(Unknown Source)
    at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl$SharedObject.waitForLoadAttempt(Unknown Source)
    at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl.getExistingModel(Unknown Source)
    at org.eclipse.wst.sse.core.internal.model.ModelManagerImpl.getExistingModelForRead(Unknown Source)
    at org.eclipse.wst.xml.ui.internal.tabletree.XMLTableTreeViewer.setDocument(Unknown Source)
    at org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart.disconnectDesignPage(Unknown Source)
    at org.eclipse.wst.xml.ui.internal.tabletree.XMLMultiPageEditorPart.dispose(Unknown Source)
    at org.eclipse.ui.internal.EditorReference.createPartHelper(Unknown Source)
    at org.eclipse.ui.internal.EditorReference.createPart(Unknown Source)
    at org.eclipse.ui.internal.WorkbenchPartReference.getPart(Unknown Source)
    at org.eclipse.ui.internal.PartPane.setVisible(Unknown Source)
    at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(Unknown Source)
    at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(Unknown Source)
    at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(Unknown Source)
    at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(Unknown Source)
    at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(Unknown Source)
    at org.eclipse.ui.internal.PartStack.setSelection(Unknown Source)
    at org.eclipse.ui.internal.PartStack.showPart(Unknown Source)
    at org.eclipse.ui.internal.PartStack.add(Unknown Source)
    at org.eclipse.ui.internal.EditorStack.add(Unknown Source)
    at org.eclipse.ui.internal.PartStack.add(Unknown Source)
    at org.eclipse.ui.internal.EditorStack.add(Unknown Source)
    at org.eclipse.ui.internal.EditorSashContainer.addEditor(Unknown Source)
    at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(Unknown Source)
    at org.eclipse.ui.internal.EditorAreaHelper.addEditor(Unknown Source)
    at org.eclipse.ui.internal.EditorManager.createEditorTab(Unknown Source)
    at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(Unknown Source)
    at org.eclipse.ui.internal.EditorManager.openEditor(Unknown Source)
    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(Unknown Source)
    at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(Unknown Source)
    at org.eclipse.ui.internal.WorkbenchPage.access$11(Unknown Source)
    at org.eclipse.ui.internal.WorkbenchPage$10.run(Unknown Source)
    at org.eclipse.swt.custom.BusyIndicator.showWhile(Unknown Source)
    at org.eclipse.ui.internal.WorkbenchPage.openEditor(Unknown Source)
    at org.eclipse.ui.internal.WorkbenchPage.openEditor(Unknown Source)
    at org.eclipse.ui.actions.OpenWithMenu.openEditor(Unknown Source)
    at org.eclipse.ui.actions.OpenWithMenu$2.handleEvent(Unknown Source)
    at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
    at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
    at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)
    at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)
    at org.eclipse.ui.internal.Workbench.access$4(Unknown Source)
    at org.eclipse.ui.internal.Workbench$7.run(Unknown Source)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Unknown Source)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(Unknown Source)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(Unknown Source)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Unknown Source)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Unknown Source)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(Unknown Source)
    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(Unknown Source)
    at org.eclipse.equinox.launcher.Main.basicRun(Unknown Source)
    at org.eclipse.equinox.launcher.Main.run(Unknown Source)
    at org.eclipse.equinox.launcher.Main.main(Unknown Source)

我使用的是使用Eclipse 3.6.2的IBM RAD v 8.0.4.2。

我希望这是一个简单的配置问题，我不需要重新安装，因为我在企业环境中工作并且安装/重新安装软件是一件痛苦的事。

Answer 1

Spetz

这个错误看起来与Eclipse中的这个Bug相似

https://bugs.eclipse.org/bugs/show_bug.cgi?id=332238

它已在Eclipse WTP 3.3.2中修复，但RAD 8.0.x使用WTP 3.2.5。我的建议是，如果可能的话，至少升级到8.5，否则您需要联系IBM支持

http://www-01.ibm.com/software/rational/support/contact.html

希望这有帮助

查看xml文件时Eclipse中出现奇怪的错误

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