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While doing a CVS Update, NetBeans started producing excessive warning messages with a title of "Warning" saying that it was copying from ~/.netbeans/6.8/var/cache/cvscache/7.bin to ~/.netbeans/6.8/var/cache/cvscache/7.bin.new These continued at a rate of about 2 per second until Xorg stopped responding. Meanwhile, the window manager was using 100% CPU. SEVERE: Missing 22344312 bytes. org.openide.ErrorManager$AnnException: msg at org.openide.ErrorManager$AnnException.findOrCreate(ErrorManager.java:863) at org.openide.ErrorManager$DelegatingErrorManager.annotate(ErrorManager.java:650) at org.openide.ErrorManager.annotate(ErrorManager.java:452) at org.netbeans.modules.versioning.system.cvss.DiskMapTurboProvider.writeEntry(DiskMapTurboProvider.java:216) at org.netbeans.modules.turbo.Turbo.storeEntry(Turbo.java:306) at org.netbeans.modules.turbo.Turbo.writeEntry(Turbo.java:284) at org.netbeans.modules.versioning.system.cvss.FileStatusCache.refreshNow(FileStatusCache.java:310) at org.netbeans.modules.versioning.system.cvss.FileStatusCache.refresh(FileStatusCache.java:330) at org.netbeans.modules.versioning.system.cvss.FileStatusCache.clearVirtualDirectoryContents(FileStatusCache.java:412) at org.netbeans.modules.versioning.system.cvss.ui.actions.update.UpdateExecutor.commandFinished(UpdateExecutor.java:157) at org.netbeans.modules.versioning.system.cvss.ExecutorSupport.commandTerminated(ExecutorSupport.java:419) at org.netbeans.modules.versioning.system.cvss.ClientRuntime$1.taskFinished(ClientRuntime.java:179) at org.openide.util.Task.notifyFinished(Task.java:228) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:608) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084) msg Caused: java.io.EOFException: Missing 22344312 bytes. at org.netbeans.modules.versioning.system.cvss.DiskMapTurboProvider.copyStreams(DiskMapTurboProvider.java:321) at org.netbeans.modules.versioning.system.cvss.DiskMapTurboProvider.writeEntry(DiskMapTurboProvider.java:211) at org.netbeans.modules.turbo.Turbo.storeEntry(Turbo.java:306) at org.netbeans.modules.turbo.Turbo.writeEntry(Turbo.java:284) at org.netbeans.modules.versioning.system.cvss.FileStatusCache.refreshNow(FileStatusCache.java:310) at org.netbeans.modules.versioning.system.cvss.FileStatusCache.refresh(FileStatusCache.java:330) at org.netbeans.modules.versioning.system.cvss.FileStatusCache.clearVirtualDirectoryContents(FileStatusCache.java:412) at org.netbeans.modules.versioning.system.cvss.ui.actions.update.UpdateExecutor.commandFinished(UpdateExecutor.java:157) at org.netbeans.modules.versioning.system.cvss.ExecutorSupport.commandTerminated(ExecutorSupport.java:419) at org.netbeans.modules.versioning.system.cvss.ClientRuntime$1.taskFinished(ClientRuntime.java:179) at org.openide.util.Task.notifyFinished(Task.java:228) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:608) [catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084) ALL [null]: Copy: /user/bcran/.netbeans/6.8/var/cache/cvscache/7.bin to: /user/bcran/.netbeans/6.8/var/cache/cvscache/7.bin.new
it's probably that the file's content is corrupted, please try to delete ~/.netbeans/6.8/var/cache/cvscache/7.bin.
That fixed the problem. But the IDE should recover and not cause the whole system to stop responding.