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Eclipse的Eclipse问题

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我和我的伙伴从头开始安装eclipse with subclipse ...但是我或他都不能比较这些文件!
右键单击文件>比较>修订版或我们尝试的任何内容,以便进行比较,它失败并且永远都会!我收到了java.lang.nullpointerexception的错误,仅此而已!
这是我从日志中得到的

!ENTRY org.eclipse.jface 4 2 2010-11-20 04:36:28.653!MESSAGE从插件调用代码时出现问题:“org.eclipse.jface” . !在org.eclipse.php.internal.core.format.FormatPreferencesSupport.getIndentationChar(FormatPreferencesSupport)的org.eclipse.php.internal.core.format.FormatPreferencesSupport.verifyValidity(FormatPreferencesSupport.java:100)处堆叠0 java.lang.NullPointerException . java:89)org.eclipse.php.internal.ui.editor.configuration.PHPStructuredTextViewerConfiguration.getIndentPrefixes(PHPStructuredTextViewerConfiguration.java:448)org.eclipse.wst.sse.ui.internal.StructuredTextViewer.configure(StructuredTextViewer.java: 311)org.eclipse.php.internal.ui.compare.MergeSourceViewer.configure(MergeSourceViewer.java:542)at org.eclipse.php.internal.ui.compare.TextMergeViewer $ ContributorInfo.internalSetDocument(TextMergeViewer.java:546) org.eclipse.php.internal.ui.compare.TextMergeViewer $ ContributorInfo.setDocument(TextMergeViewer.java:434)org.eclipse.php.internal.ui.compare.TextMergeViewer.updateContent(TextMergeViewer.java:2569)at org .eclipse.php.internal.ui.compare.ContentMergeViewer.i nternalRefresh(ContentMergeViewer.java:814)org.eclipse.php.internal.ui.compare.ContentMergeViewer.inputChanged(ContentMergeViewer.java:704)org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:274) org.eclipse.compare.CompareViewerSwitchingPane.setInput(CompareViewerSwitchingPane.java:276)atg.eclipse.compare.internal.CompareContentViewerSwitchingPane.setInput(CompareContentViewerSwitchingPane.java:158)org.eclipse.compare.CompareEditorInput.internalSetContentPaneInput(CompareEditorInput.java) :844)org.eclipse.compare.CompareEditorInput.access $ 8(CompareEditorInput.java:842)org.eclipse.compareEditorInput $ 11.run(CompareEditorInput.java:785)org.eclipse.swt.custom.BusyIndicator . showWhile(BusyIndicator.java:70)org.eclipse.compare.CompareEditorInput.feed1(CompareEditorInput.java:772)org.eclipse.compare.CompareEditorInput.access $ 3(CompareEditorInput.java:771)atg.eclipse.compare . CompareEditorInput $ 5.open(CompareEditorInput.java:657) org.eclipse.compare.CompareViewerPane.open(CompareViewerPane.java:325)atg.eclipse.jface.viewers.StructuredViewer $ 2.run(StructuredViewer.java:845)org.eclipse.core.runtime.SafeRunner.run( SafeRunner.java:42)在org.eclipse上的org.eclipse.ui.JFaceUtil $ 1.run(JFaceUtil.java:49)中的org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175) . 在org.eclipse.jface.viewers.StructuredViewer $ 6.handleOpen(StructuredViewer.java)的org.eclipse.jface.viewers.StructuredViewer.handleOpen(StructuredViewer.java:1131)上的jface.viewers.StructuredViewer.fireOpen(StructuredViewer.java:843) :1235)org.eclipse.jtil.util.OpenStrategy.fireOpenEvent(OpenStrategy.java:264)atg.eclipse.jface.util.OpenStrategy.access $ 2(OpenStrategy.java:258)org.eclipse.jface.util .OpenStrategy $ 1.handleEvent(OpenStrategy.java:298)org.eclipse.swt.wtt.EndTable.sendEvent(EventTable.java:84)org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)在org.eclipse.swt.widgets.Display.runDeferredEve nts(Display.java:4066)org.eclipse.wt.widgets.Display.readAndDispatch(Display.java:3657)位于org.eclipse的org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640) .ui.internal.Workbench.runUI(Workbench.java:2604)org.eclipse.ui.internal.Workbench.access $ 4(Workbench.java:2438)org.eclipse.ui.internal.Workbench $ 7.run(Workbench) .java:671)在org.eclipse的org.eclipse.R.Deternal(默认,工作台,工作台,工作台,工作台 . 工作台:664)的org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) . ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)位于org.eclipse.equinox.internal.app.EclipseAppHandle.run的org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115) EclipseAppHandle.java:196)org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java: 79)在org.eclipse.core.runtime.adap tor.EclipseStarter.run(EclipseStarter.java:369)位于sun.reflect的sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)的org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179) . 在org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:)的java.lang.reflect.Method.invoke(未知来源)的sun.reflect.DelegatingMethodAccessorImpl.invoke(未知来源)的NativeMethodAccessorImpl.invoke(未知来源) 619)在org.eclipse.equinox.launcher.Main.basicRun(Main.java:574)org.eclipse.equinox.launcher.Main.run(Main.java:1407)

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