启动这个myeclipse修复软件的时候每次总是会报错，出现用户目录下的某个日志文件异常，这个是怎么回事啊？？大神们。。。。
!SESSION 2014-01-08 11:52:21.136 -----------------------------------------------
eclipse.buildId=unknown
java.version=1.6.0_22
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN
Framework arguments: F:\软件\MYECLI~1_MYECL~1.EXE 0947746610
Command-line arguments: -os win32 -ws win32 -arch x86 F:\软件\MYECLI~1_MYECL~1.EXE 0947746610
!ENTRY org.eclipse.osgi 4 0 2014-01-08 11:52:22.852
!MESSAGE An unexpected runtime error has occurred.
!STACK 0
javax.xml.parsers.FactoryConfigurationError: Provider org.apache.xerces.jaxp.SAXParserFactoryImpl not found
at javax.xml.parsers.SAXParserFactory.newInstance(SAXParserFactory.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAdaptorHook$ParsingService.createService(EclipseAdaptorHook.java:147)
at org.eclipse.core.runtime.internal.adaptor.EclipseAdaptorHook$ParsingService.getService(EclipseAdaptorHook.java:139)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse$1.run(ServiceUse.java:120)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.internal.serviceregistry.ServiceUse.getService(ServiceUse.java:118)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:447)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:430)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.getService(BundleContextImpl.java:667)
at org.osgi.util.tracker.ServiceTracker.addingService(ServiceTracker.java:442)
at org.osgi.util.tracker.ServiceTracker$Tracked.customizerAdding(ServiceTracker.java:896)
at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:261)
at org.osgi.util.tracker.AbstractTracked.trackInitial(AbstractTracked.java:184)
好歹贴出错误日志呀，不然怎么知道是啥错误