Public bug reported:

If I code for a day and leave it open for the night and then keep coding
the next day at some point when autocomplete turns on on ctrl-space
everything freezes. I also lose code since last save. It's not critical
but I think programs should work without crashing every other day or
preventive restarts

This is the error that I get in the error window:

eclipse.buildId=I20110613-1736
java.version=1.6.0_23
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Command-line arguments:  -os linux -ws gtk -arch x86

Error
Thu Dec 01 04:58:15 EET 2011
Unhandled event loop exception

org.eclipse.swt.SWTException: Failed to execute runnable 
(java.lang.NullPointerException)
        at org.eclipse.swt.SWT.error(SWT.java:4282)
        at org.eclipse.swt.SWT.error(SWT.java:4197)
        at 
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
        at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3563)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3212)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2696)
        at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2660)
        at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
        at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
        at 
org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
        at 
org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
        at 
org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
        at 
org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
        at 
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
        at 
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
        at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
        at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:616)
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
        at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
Caused by: java.lang.NullPointerException
        at 
com.android.ddmuilib.logcat.LogCatReceiverFactory.newReceiver(LogCatReceiverFactory.java:57)
        at 
com.android.ddmuilib.logcat.LogCatPanel.deviceSelected(LogCatPanel.java:228)
        at 
com.android.ddmuilib.SelectionDependentPanel.deviceSelected(SelectionDependentPanel.java:52)
        at 
com.android.ide.eclipse.ddms.views.SelectionDependentViewPart.selectionChanged(SelectionDependentViewPart.java:67)
        at com.android.ide.eclipse.ddms.DdmsPlugin$6.run(DdmsPlugin.java:690)
        at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
        at 
org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
        ... 22 more

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: eclipse-platform 3.7.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
NonfreeKernelModules: fglrx
ApportVersion: 1.23-0ubuntu4
Architecture: i386
Date: Mon Dec  5 00:09:17 2011
ExecutablePath: /usr/lib/eclipse/eclipse
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
LocalLibraries: 
/home/sebi/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/org.eclipse.osgi/bundles/118/1/.cp/libswt-cairo-gtk-3735.so
 
/home/sebi/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/org.eclipse.osgi/bundles/118/1/.cp/libswt-atk-gtk-3735.so
 
/home/sebi/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/org.eclipse.osgi/bundles/118/1/.cp/libswt-pi-gtk-3735.so
 
/home/sebi/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/org.eclipse.osgi/bundles/118/1/.cp/libswt-gtk-3735.so
 
/home/sebi/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/org.eclipse.osgi/bundles/254/1/.cp/os/linux/x86/libspawner.so
ProcEnviron:
 LANGUAGE=en
 PATH=(custom, no user)
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: eclipse
UpgradeStatus: Upgraded to oneiric on 2011-10-14 (51 days ago)

** Affects: eclipse (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 local-libs oneiric

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https://bugs.launchpad.net/bugs/900052

Title:
  Leaving Eclipse open for about 48 hours makes it crash

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