MyEclipse error log

!SESSION 2009-10-23 09:11:57.625 -----------------------------------------------
eclipse.buildId=I20070625-1500
java.version=1.5.0_11
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_CN
Command-line arguments:  -os win32 -ws win32 -arch x86

!ENTRY org.eclipse.osgi 4 0 2009-10-23 09:11:58.250
!MESSAGE
!STACK 0
org.osgi.framework.BundleException: Exception in org.eclipse.osgi.framework.internal.core.SystemBundleActivator.start() of bundle org.eclipse.osgi.
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:1018)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:974)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:611)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:497)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:282)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.launch(StartLevelManager.java:250)
at org.eclipse.osgi.framework.internal.core.SystemBundle.resume(SystemBundle.java:153)
at org.eclipse.osgi.framework.internal.core.Framework.launch(Framework.java:588)
at org.eclipse.osgi.framework.internal.core.OSGi.launch(OSGi.java:51)
at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:289)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:172)
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.equinox.launcher.Main.invokeFramework(Main.java:508)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
at org.eclipse.equinox.launcher.Main.main(Main.java:1148)
Caused by: java.lang.NullPointerException
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.setExportPackages(BundleDescriptionImpl.java:208)
at org.eclipse.osgi.internal.resolver.StateReader.readBundleDescriptionLazyData(StateReader.java:255)
at org.eclipse.osgi.internal.resolver.StateReader.fullyLoad(StateReader.java:608)
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.fullyLoad(BundleDescriptionImpl.java:456)
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.setLazyLoaded(BundleDescriptionImpl.java:287)
at org.eclipse.osgi.internal.resolver.StateImpl.resolveBundle(StateImpl.java:249)
at org.eclipse.osgi.internal.resolver.StateImpl.removeBundle(StateImpl.java:139)
at org.eclipse.osgi.internal.resolver.SystemState.removeBundle(SystemState.java:23)
at org.eclipse.osgi.internal.baseadaptor.BaseStorage.checkSystemState(BaseStorage.java:654)
at org.eclipse.osgi.internal.baseadaptor.BaseStorage.getStateManager(BaseStorage.java:643)
at org.eclipse.osgi.baseadaptor.BaseAdaptor.getPlatformAdmin(BaseAdaptor.java:385)
at org.eclipse.core.runtime.internal.adaptor.EclipseAdaptorHook.frameworkStart(EclipseAdaptorHook.java:78)
at org.eclipse.osgi.baseadaptor.BaseAdaptor.frameworkStart(BaseAdaptor.java:260)
at org.eclipse.osgi.framework.internal.core.SystemBundleActivator.start(SystemBundleActivator.java:55)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:999)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:993)
... 18 more
Root exception:
java.lang.NullPointerException
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.setExportPackages(BundleDescriptionImpl.java:208)
at org.eclipse.osgi.internal.resolver.StateReader.readBundleDescriptionLazyData(StateReader.java:255)
at org.eclipse.osgi.internal.resolver.StateReader.fullyLoad(StateReader.java:608)
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.fullyLoad(BundleDescriptionImpl.java:456)
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.setLazyLoaded(BundleDescriptionImpl.java:287)
at org.eclipse.osgi.internal.resolver.StateImpl.resolveBundle(StateImpl.java:249)
at org.eclipse.osgi.internal.resolver.StateImpl.removeBundle(StateImpl.java:139)
at org.eclipse.osgi.internal.resolver.SystemState.removeBundle(SystemState.java:23)
at org.eclipse.osgi.internal.baseadaptor.BaseStorage.checkSystemState(BaseStorage.java:654)
at org.eclipse.osgi.internal.baseadaptor.BaseStorage.getStateManager(BaseStorage.java:643)
at org.eclipse.osgi.baseadaptor.BaseAdaptor.getPlatformAdmin(BaseAdaptor.java:385)
at org.eclipse.core.runtime.internal.adaptor.EclipseAdaptorHook.frameworkStart(EclipseAdaptorHook.java:78)
at org.eclipse.osgi.baseadaptor.BaseAdaptor.frameworkStart(BaseAdaptor.java:260)
at org.eclipse.osgi.framework.internal.core.SystemBundleActivator.start(SystemBundleActivator.java:55)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:999)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:993)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:974)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:611)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:497)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:282)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.launch(StartLevelManager.java:250)
at org.eclipse.osgi.framework.internal.core.SystemBundle.resume(SystemBundle.java:153)
at org.eclipse.osgi.framework.internal.core.Framework.launch(Framework.java:588)
at org.eclipse.osgi.framework.internal.core.OSGi.launch(OSGi.java:51)
at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:289)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:172)
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.equinox.launcher.Main.invokeFramework(Main.java:508)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
at org.eclipse.equinox.launcher.Main.main(Main.java:1148)

!ENTRY org.eclipse.osgi 4 0 2009-10-23 09:11:58.265
!MESSAGE Startup error
!STACK 1
java.lang.RuntimeException: Exception in org.eclipse.osgi.framework.internal.core.SystemBundleActivator.start() of bundle org.eclipse.osgi.
at org.eclipse.osgi.framework.internal.core.StartLevelManager.resumeBundles(StartLevelManager.java:619)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.incFWSL(StartLevelManager.java:497)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:282)
at org.eclipse.osgi.framework.internal.core.StartLevelManager.launch(StartLevelManager.java:250)
at org.eclipse.osgi.framework.internal.core.SystemBundle.resume(SystemBundle.java:153)
at org.eclipse.osgi.framework.internal.core.Framework.launch(Framework.java:588)
at org.eclipse.osgi.framework.internal.core.OSGi.launch(OSGi.java:51)
at org.eclipse.core.runtime.adaptor.EclipseStarter.startup(EclipseStarter.java:289)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:172)
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.equinox.launcher.Main.invokeFramework(Main.java:508)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
at org.eclipse.equinox.launcher.Main.main(Main.java:1148)
!SESSION Fri Oct 23 09:11:58 CST 2009 ------------------------------------------
!ENTRY org.eclipse.equinox.launcher 4 0 2009-10-23 09:11:58.265
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.NullPointerException
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.setExportPackages(BundleDescriptionImpl.java:208)
at org.eclipse.osgi.internal.resolver.StateReader.readBundleDescriptionLazyData(StateReader.java:255)
at org.eclipse.osgi.internal.resolver.StateReader.fullyLoad(StateReader.java:608)
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.fullyLoad(BundleDescriptionImpl.java:456)
at org.eclipse.osgi.internal.resolver.BundleDescriptionImpl.getExportPackages(BundleDescriptionImpl.java:117)
at org.eclipse.osgi.internal.resolver.StateHelperImpl.getExportedPackageMap(StateHelperImpl.java:74)
at org.eclipse.osgi.internal.resolver.StateHelperImpl.getUnsatisfiedLeaves(StateHelperImpl.java:109)
at org.eclipse.osgi.internal.resolver.StateHelperImpl.getUnsatisfiedLeaves(StateHelperImpl.java:145)
at org.eclipse.core.runtime.adaptor.EclipseStarter.logUnresolvedBundles(EclipseStarter.java:438)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:186)
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.equinox.launcher.Main.invokeFramework(Main.java:508)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:447)
at org.eclipse.equinox.launcher.Main.run(Main.java:1173)
at org.eclipse.equinox.launcher.Main.main(Main.java:1148)

用jdk中的jre 覆盖掉MyEclipse中的jre