Problem in launching GWT application

[mayuresh kulkarni]

Jun 26, 2009 5:22:39 AM com.google.apphosting.utils.jetty.JettyLogger
warn
WARNING: failed
com.google.apphosting.utils.jetty.devappenginewebappcont...@16e8707
{/,G:\Projects_New\CloudSwitchWorkSpace\aspen_prototype\war}
javax.xml.parsers.FactoryConfigurationError: Provider
com.sun.org.apache.xerces.internal.jaxp.SAXParserFactoryImpl could not
be instantiated: java.lang.NullPointerException


  hi all . I am trying to run an application build in gxt . It runs
other machines but doesnt run on mine . Can anybody help me .

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