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hard to say exactly how it happened, but this is what I get when I start Eclipse now. !SESSION Dec 23, 2002 13:00:53.943 --------------------------------------------- java.version=1.3.1 java.vendor=Sun Microsystems Inc. BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US Command-line arguments: -os win32 -ws win32 -arch x86 -Xms256m -Xmx256m -data J:\workspace -install file:C:/eclipse_M3/ !ENTRY org.eclipse.core.runtime 4 2 Dec 23, 2002 13:00:53.943 !MESSAGE Problems occurred when invoking code from plug- in: "org.eclipse.core.runtime". !STACK 1 org.eclipse.core.internal.resources.ResourceException(null)[567]: java.io.EOFException at java.io.DataInputStream.readByte(DataInputStream.java:224) at org.eclipse.core.internal.watson.ElementTreeReader.readNumber (ElementTreeReader.java:111) at org.eclipse.core.internal.watson.ElementTreeReaderImpl_1.readDeltaChain (ElementTreeReaderImpl_1.java:82) at org.eclipse.core.internal.watson.ElementTreeReader.readDeltaChain (ElementTreeReader.java:102) at org.eclipse.core.internal.resources.WorkspaceTreeReader.readTrees (WorkspaceTreeReader.java:107) at org.eclipse.core.internal.resources.WorkspaceTreeReader.readTree (WorkspaceTreeReader.java:44) at org.eclipse.core.internal.resources.SaveManager.restoreTree (SaveManager.java:709) at org.eclipse.core.internal.resources.SaveManager.restore (SaveManager.java:458) at org.eclipse.core.internal.resources.SaveManager.startup (SaveManager.java:943) at org.eclipse.core.internal.resources.Workspace.startup (Workspace.java:1709) at org.eclipse.core.internal.resources.Workspace.open (Workspace.java:1511) at org.eclipse.core.resources.ResourcesPlugin.startup (ResourcesPlugin.java:208) at org.eclipse.core.internal.plugins.PluginDescriptor$1.run (PluginDescriptor.java:697) at org.eclipse.core.internal.runtime.InternalPlatform.run (InternalPlatform.java:839) at org.eclipse.core.internal.plugins.PluginDescriptor.internalDoPluginActivation (PluginDescriptor.java:709) at org.eclipse.core.internal.plugins.PluginDescriptor.doPluginActivation (PluginDescriptor.java:184) at org.eclipse.core.internal.plugins.PluginClassLoader.activatePlugin (PluginClassLoader.java:60) at org.eclipse.core.internal.plugins.PluginClassLoader.internalFindClassParentsSelf (PluginClassLoader.java:138) at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassParentsSelf (DelegatingURLClassLoader.java:473) at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:863) at org.eclipse.core.internal.boot.DelegatingURLClassLoader.access$0 (DelegatingURLClassLoader.java:857) at org.eclipse.core.internal.boot.DelegatingURLClassLoader$DelegateLoader.loadClass (DelegatingURLClassLoader.java:80) at org.eclipse.core.internal.boot.DelegatingURLClassLoader.findClassPrerequisites (DelegatingURLClassLoader.java:537) at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:871) at org.eclipse.core.internal.boot.DelegatingURLClassLoader.loadClass (DelegatingURLClassLoader.java:843) at java.lang.ClassLoader.loadClass(ClassLoader.java:253) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313) at java.lang.Class.newInstance0(Native Method) at java.lang.Class.newInstance(Class.java:237) at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:136) at org.eclipse.core.internal.plugins.PluginDescriptor.createExecutableExtension (PluginDescriptor.java:165) at org.eclipse.core.internal.plugins.ConfigurationElement.createExecutableExtension (ConfigurationElement.java:102) at org.eclipse.core.internal.runtime.InternalPlatform.loaderGetRunnable (InternalPlatform.java:461) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.internal.boot.InternalBootLoader.getRunnable (InternalBootLoader.java:457) at org.eclipse.core.internal.boot.InternalBootLoader.run (InternalBootLoader.java:827) at org.eclipse.core.boot.BootLoader.run(BootLoader.java:462) at java.lang.reflect.Method.invoke(Native Method) at org.eclipse.core.launcher.Main.basicRun(Main.java:247) at org.eclipse.core.launcher.Main.run(Main.java:703) at org.eclipse.core.launcher.Main.main(Main.java:539) !ENTRY org.eclipse.core.resources 4 567 Dec 23, 2002 13:00:53.943 !MESSAGE Problems reading workspace tree. !STACK 0
restoring the workspace from a backup fixed the problem. however, there seem to be a problem, because Eclipse should have started anyway.
*** This bug has been marked as a duplicate of 3128 ***