Eclipse Launch ERROR-! MESSAGE problems occurred

! session 2013-07-15 13:38:59.893 -----------------------------------------------eclipse.buildid= 4.3.0.I20130605-2000JAVA.VERSION=1.6.0_51JAVA.VENDOR=APPLE INC.BOOTLOADER CONSTANTS: OS=MACOSX,  ARCH=x86_64, WS=cocoa, NL=en_USFramework arguments:  -product  org.eclipse.epp.package.standard.product -keyring /users/fluxtah/.eclipse_keyring - Showlocationcommand-line arguments:  -os macosx -ws cocoa -arch x86_64  -product org.eclipse.epp.package.standard.product -keyring /users/fluxtah/.eclipse_ keyring -showlocation! entry org.eclipse.core.resources 2 10035 2013-07-15 13:39:03.237! Message the workspace exited with unsaved changes in the previous  session; refreshing workspace to recover changes.! entry org.eclipse.equinox.preferences 4 2  2013-07-15 13:39:04.887! message problems occurred when invoking code from plug-in:  " Org.eclipse.equinox.preferences ".! stack 0java.lang.exceptionininitializererrorat  Org.eclipse.jdt.ui.PreferenceConstants.initializeDefaultValues (preferenceconstants.java:3739) at  Org.eclipse.jdt.internal.ui.JavaUIPreferenceInitializer.initializeDefaultPreferences ( javauipreferenceinitializer.java:38) at  Org.eclipse.core.internal.preferences.preferenceserviceregistryhelper$1.run ( preferenceserviceregistryhelper.java:300) At org.eclipse.core.runtime.saferunner.run (SafeRunner.java:42) at  org.eclipse.core.internal.preferences.preferenceserviceregistryhelper.runinitializer ( preferenceserviceregistryhelper.java:303) at  Org.eclipse.core.internal.preferences.PreferenceServiceRegistryHelper.applyRuntimeDefaults ( preferenceserviceregistryhelper.java:131) at  Org.eclipse.core.internal.preferences.PreferencesService.applyRuntimeDefaults (Preferencesservice.java:368) At org.eclipse.core.internal.preferences.defaultpreferences.applyruntimedefaults ( defaultpreferences.java:221) At org.eclipse.core.internal.preferences.defaultpreferences.load ( defaultpreferences.java:274) At org.eclipse.core.internal.preferences.eclipsepreferences.create ( eclipsepreferences.java:409) At org.eclipse.core.internal.preferences.eclipsepreferences.internalnode ( eclipsepreferences.java:670) At org.eclipse.core.internal.preferences.eclipsepreferences.node ( eclipsepreferences.java:812) At org.eclipse.core.internal.preferences.abstractscope.getnode ( abstractscope.java:38) At org.eclipse.core.runtime.preferences.defaultscope.getnode (DefaultScope.java:76) At org.eclipse.ui.preferences.scopedpreferencestore.getdefaultpreferences (ScopedPreferenceStore.java:250) At org.eclipse.ui.preferences.scopedpreferencestore.getpreferencenodes (ScopedPreferenceStore.java:285) at  org.eclipse.ui.preferences.scopedpreferencestore.internalgeT (scopedpreferencestore.java:475) At org.eclipse.ui.preferences.scopedpreferencestore.getboolean ( scopedpreferencestore.java:387) at  Org.eclipse.jdt.internal.ui.preferences.MembersOrderPreferenceCache.install (Membersorderpreferencecache.java : At org.eclipse.jdt.internal.ui.javaplugin.ensurepreferencestorebackwardscompatibility (JavaPlugin.java : 426) At org.eclipse.jdt.internal.ui.javaplugin.start (javaplugin.java:373) at  Org.eclipse.osgi.framework.internal.core.bundlecontextimpl$1.run (bundlecontextimpl.java:711) at  Java.security.AccessController.doPrivileged (Native method) at  Org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator (bundlecontextimpl.java:702) at  Org.eclipse.osgi.framework.internal.core.BundleContextImpl.start (bundlecontextimpl.java:683) at  Org.eclipse.osgi.framework.internal.core.BundleHost.startWorker (bundlehost.java:381) at  Org.eclipse.osgi.framework.internal.core.AbstractBundle.start (abstractbundle.java:300) At org.eclipse.osgi.framework.util.secureaction.start (secureaction.java:478) at  Org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger (bundleloader.java:263) at  Org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass (eclipselazystarter.java:109) at  org.eclipse.osgi.baseadaptor.loader.classpathmanager.findlocalclass (classpathmanager.java:469) at  Org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass (defaultclassloader.java:216) at  Org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass (bundleloader.java:395) at  Org.eclipse.osgi.internal.loader.SingleSourcePackage.loadClass (singlesourcepackage.java:35) at  Org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal (bundleloader.java:461) at  Org.eclipse.osgi.internal.loader.BundleLoader.findClass (bundleloader.java:421) at  Org.eclipse.osgi.internal.loader.BundleLoader.findClass (bundleloader.java:412) at  Org.eclipse.osgi.internal.baseadaptoR.defaultclassloader.loadclass (defaultclassloader.java:107) At java.lang.classloader.loadclass ( classloader.java:247) at org.eclipse.xtext.ui.shared.internal.activator.isjavaenabled (Activator.java:87) at  org.eclipse.xtext.ui.shared.internal.activator.initializeinjector (activator.java:57) at  Org.eclipse.xtext.ui.shared.internal.Activator.start (activator.java:102) at  Org.eclipse.osgi.framework.internal.core.bundlecontextimpl$1.run (bundlecontextimpl.java:711) at  Java.security.AccessController.doPrivileged (Native method) at  Org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator (bundlecontextimpl.java:702) at  Org.eclipse.osgi.framework.internal.core.BundleContextImpl.start (bundlecontextimpl.java:683) at  Org.eclipse.osgi.framework.internal.core.BundleHost.startWorker (bundlehost.java:381) at  Org.eclipse.osgi.framework.internal.core.AbstractBundle.start (abstractbundle.java:300) at  Org.eclipse.osgi.framework.util.SecureAction.stThe art (secureaction.java:478) workaround is as follows:please start eclipse with -clean option.  DOS commands are as follows (different depending on your eclipse installation file): C:\eclipse\eclipse.exe -cleanif you have a shortcut  for eclipse - change the property of the Target to  If you have shortcuts, directly modify the path of the shortcut as follows: C:\eclipse\eclipse.exe -clean

Eclipse Launch ERROR-! MESSAGE problems occurred