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Build I200405140800 With a java file open, attempting to scroll down causes a flurry of exception to be written to the log file. Indeed, lots of operations are failing and the log file is growing rapidly with contributions from the org.eclipse.ui plug-in. Error May 18, 2004 09:22:06.631 Assertion failed: org.eclipse.jface.text.Assert$AssertionFailedException: Assertion failed: at java.lang.Throwable.<init>(Throwable.java) at java.lang.Throwable.<init>(Throwable.java) at org.eclipse.jface.text.Assert$AssertionFailedException.<init> (Assert.java:56) at org.eclipse.jface.text.Assert.isTrue(Assert.java:177) at org.eclipse.jface.text.Assert.isTrue(Assert.java) at org.eclipse.jface.text.projection.ProjectionMapping.toImageRegion (ProjectionMapping.java) at org.eclipse.jface.text.projection.ProjectionMapping.toImageRegion (ProjectionMapping.java) at org.eclipse.jface.text.TextViewer.modelRange2WidgetRange (TextViewer.java) at org.eclipse.jface.text.source.AnnotationRulerColumn.doPaint1 (AnnotationRulerColumn.java) at org.eclipse.jface.text.source.AnnotationRulerColumn.doubleBufferPaint (AnnotationRulerColumn.java) at org.eclipse.jface.text.source.AnnotationRulerColumn.redraw (AnnotationRulerColumn.java:728) at org.eclipse.jface.text.source.AnnotationRulerColumn$5.run (AnnotationRulerColumn.java:715) at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages (Synchronizer.java) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1353) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1324) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench (Workbench.java:243) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141) at org.eclipse.ui.internal.ide.IDEApplication.run (IDEApplication.java:90) at org.eclipse.core.internal.runtime.PlatformActivator$1.run (PlatformActivator.java:298) at org.eclipse.core.runtime.adaptor.EclipseStarter.run (EclipseStarter.java:249) at org.eclipse.core.runtime.adaptor.EclipseStarter.run (EclipseStarter.java:126) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:41) at java.lang.reflect.Method.invoke(Method.java:386) at org.eclipse.core.launcher.Main.basicRun(Main.java:269) at org.eclipse.core.launcher.Main.run(Main.java:722) at org.eclipse.core.launcher.Main.main(Main.java:706) Error May 18, 2004 09:22:06.601 *** SWT nested exception Error May 18, 2004 09:22:08.804 Failed to execute runnable (org.eclipse.jface.text.Assert$AssertionFailedException: Assertion failed: ) org.eclipse.swt.SWTException: Failed to execute runnable (org.eclipse.jface.text.Assert$AssertionFailedException: Assertion failed: ) at java.lang.Throwable.<init>(Throwable.java) at java.lang.Throwable.<init>(Throwable.java) at org.eclipse.swt.SWTException.<init>(SWTException.java:73) at org.eclipse.swt.SWT.error(SWT.java:2689) at org.eclipse.swt.SWT.error(SWT.java) at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages (Synchronizer.java) at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java) at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:1353) at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1324) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench (Workbench.java:243) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:141) at org.eclipse.ui.internal.ide.IDEApplication.run (IDEApplication.java:90) at org.eclipse.core.internal.runtime.PlatformActivator$1.run (PlatformActivator.java:298) at org.eclipse.core.runtime.adaptor.EclipseStarter.run (EclipseStarter.java:249) at org.eclipse.core.runtime.adaptor.EclipseStarter.run (EclipseStarter.java:126) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:79) at sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:41) at java.lang.reflect.Method.invoke(Method.java:386) at org.eclipse.core.launcher.Main.basicRun(Main.java:269) at org.eclipse.core.launcher.Main.run(Main.java:722) at org.eclipse.core.launcher.Main.main(Main.java:706)
problem seems to be related to code folding -- turning code folding off and recreating the editors fixes the problems
*** This bug has been marked as a duplicate of 55814 ***