[news.eclipse.newcomer] cannot start Eclipse with the previous workspace

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Hi,

I use Eclipse in RedHat Linux. I have both Eclipse 3.22 and 3.4 version.

I was programming using Eclipse 3.22 and due to the network problem, 
Eclipse was crashed. After that, I cannot access the workspace anymore: 
I can start Eclipse 3.22 into a different workspace, not into the 
previous workspace I was working. A pop up window says:

"An error has occurred. See the log file xxxx/.metadata/.log"

I opened the .log file. It is the following:

!SESSION 2009-03-17 07:13:41.521 
-----------------------------------------------
eclipse.buildId=M20070212-1330
java.version=1.5.0_04
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=linux, ARCH=x86, WS=gtk, NL=en_US
Framework arguments:  -showlocation
Command-line arguments:  -os linux -ws gtk -arch x86 -clean -showlocation

!ENTRY org.eclipse.core.resources 2 10035 2009-03-17 07:13:49.760
!MESSAGE A workspace crash was detected. The previous session did not 
exit normally.

!ENTRY org.eclipse.osgi 4 0 2009-03-17 07:13:50.389
!MESSAGE An error occurred while automatically activating bundle 
org.eclipse.core.resources (97).
!STACK 0
org.osgi.framework.BundleException: Exception in 
org.eclipse.core.internal.compatibility.PluginActivator.start() of 
bundle org.eclipse.core.resources.
        at 
org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:1010)
        at 
org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:966)
        at 
org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:317)
        at 
org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:256)
        at 
org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:342)
        at 
org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.preFindLocalClass(EclipseLazyStarter.java:88)
        at 
org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:412)
        at 
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:189)
        at 
org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:334)
        at 
org.eclipse.osgi.framework.internal.core.SingleSourcePackage.loadClass(SingleSourcePackage.java:37)
        at 
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:383)
        at 
org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:347)
        at 
org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:83)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        at 
org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:96)
        at 
org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
        at 
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
        at 
org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
        at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
        at 
org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.eclipse.core.launcher.Main.invokeFramework(Main.java:336)
        at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
        at org.eclipse.core.launcher.Main.run(Main.java:977)
        at org.eclipse.core.launcher.Main.main(Main.java:952)
Caused by: org.eclipse.core.internal.dtree.ObjectNotFoundException: Tree 
element /ohdfewsadapter/testoutput/snow17/statesO.txt not found.

....

I hope to rescue the workspace I was working on. I tried to open Eclipse 
v3.4 into the problem workspace, a small window without any message 
message stays on the screen forever. I have to kill that process from 
the terminal, because clicking "X" on the right upper corner does not do 
anything.

I tried to use -clean option. Nothing has changed.

Thank you very much.