以前tomcat服务器运行正常，没有任何理由它卡住并显示错误消息。 “localhost上的服务器Tomcat v7.0服务器无法在45秒内启动。如果服务器需要更多时间，请尝试在服务器编辑器中增加超时。” 它有一个巨大的错误日志，但我正在展示其中的一些
org.eclipse.core.runtime.AssertionFailedException: assertion failed:
at org.eclipse.core.runtime.Assert.isTrue(Assert.java:110)
at org.eclipse.core.runtime.Assert.isTrue(Assert.java:96)
at org.eclipse.ui.texteditor.EditorStatusLine$StatusLineClearer.selectionChanged(EditorStatusLine.java:41)
at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:164)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:162)
at org.eclipse.jface.text.TextViewer.fireSelectionChanged(TextViewer.java:2738)
at org.eclipse.jface.text.TextViewer.selectionChanged(TextViewer.java:2717)
at org.eclipse.jface.text.TextViewer$4.widgetSelected(TextViewer.java:1836)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:248)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:774)
at org.eclipse.swt.custom.StyledText.sendSelectionEvent(StyledText.java:8048)
at org.eclipse.swt.custom.StyledText.clearSelection(StyledText.java:1701)
at org.eclipse.swt.custom.StyledText.setSelection(StyledText.java:9507)
at org.eclipse.swt.custom.StyledText.updateSelection(StyledText.java:10215)
at org.eclipse.swt.custom.StyledText.handleTextChanged(StyledText.java:6204)
at org.eclipse.swt.custom.StyledText$6.textChanged(StyledText.java:5609)
at org.eclipse.jface.text.DefaultDocumentAdapter.fireTextChanged(DefaultDocumentAdapter.java:347)
at org.eclipse.jface.text.DefaultDocumentAdapter.documentChanged(DefaultDocumentAdapter.java:291)
at org.eclipse.jface.text.AbstractDocument.doFireDocumentChanged2(AbstractDocument.java:760)
at org.eclipse.jface.text.AbstractDocument.doFireDocumentChanged(AbstractDocument.java:736)
at org.eclipse.jface.text.AbstractDocument.doFireDocumentChanged(AbstractDocument.java:721)
at org.eclipse.jface.text.AbstractDocument.fireDocumentChanged(AbstractDocument.java:796)
at org.eclipse.jface.text.projection.ProjectionDocument.fireDocumentChanged(ProjectionDocument.java:777)
at org.eclipse.jface.text.AbstractDocument.replace(AbstractDocument.java:1191)
at org.eclipse.jface.text.AbstractDocument.replace(AbstractDocument.java:1210)
at org.eclipse.jface.text.projection.ProjectionDocument.replace(ProjectionDocument.java:629)
at org.eclipse.jface.text.DefaultDocumentAdapter.replaceTextRange(DefaultDocumentAdapter.java:248)
at org.eclipse.swt.custom.StyledText.modifyContent(StyledText.java:7178)
at org.eclipse.swt.custom.StyledText.sendKeyEvent(StyledText.java:8007)
at org.eclipse.swt.custom.StyledText.doContent(StyledText.java:2467)
at org.eclipse.swt.custom.StyledText.handleKey(StyledText.java:5907)
at org.eclipse.swt.custom.StyledText.handleKeyDown(StyledText.java:5937)
at org.eclipse.swt.custom.StyledText$7.handleEvent(StyledText.java:5629)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1077)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1062)
at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1104)
at org.eclipse.swt.widgets.Widget.sendKeyEvent(Widget.java:1100)
at org.eclipse.swt.widgets.Widget.wmChar(Widget.java:1521)
at org.eclipse.swt.widgets.Control.WM_CHAR(Control.java:4640)
at org.eclipse.swt.widgets.Canvas.WM_CHAR(Canvas.java:345)
at org.eclipse.swt.widgets.Control.windowProc(Control.java:4528)
at org.eclipse.swt.widgets.Canvas.windowProc(Canvas.java:341)
at org.eclipse.swt.widgets.Display.windowProc(Display.java:4976)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2546)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3756)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1029)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:923)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
我尝试重新安装apache tomcat然后同样的事情仍然存在。