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java.lang.NoClassDefFoundError: 	at oracle.xml.parser.v2.NonValidatingParser.(NonValidatingParser.java:172)	at oracle.xml.parser.v2.XMLParser.(XMLParser.java:174)	at oracle.xml.parser.v2.DOMParser.(DOMParser.java:92)	at oracle.portal.utils.xml.v2.XMLUtil.getParser(Unknown Source)	at oracle.portal.utils.xml.v2.XMLUtil.parseDocument(Unknown Source)	at oracle.portal.provider.v2.http.DefaultProviderLoader.parseRegistry(Unknown Source)	at oracle.portal.provider.v2.http.DefaultProviderLoader.getProviderDefinition(Unknown Source)	at oracle.portal.provider.v2.http.DefaultProviderLoader.validate(Unknown Source)	at oracle.webdb.provider.v2.adapter.soapV1.ProviderAdapter.validate(Unknown Source)	at oracle.webdb.provider.v2.adapter.soapV1.ProviderAdapter.showTestPage(Unknown Source)	at oracle.webdb.provider.v2.adapter.soapV1.ProviderAdapter.handleHttp(Unknown Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at oracle.webdb.provider.v2.adapter.SOAPServlet.doHTTPCall(Unknown Source)	at oracle.webdb.provider.v2.adapter.SOAPServlet.service(Unknown Source)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)	at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:64)	at com.peoplesoft.pt.portlet.jpdk.provider.PSProviderFilter.doFilter(PSProviderFilter.java:78)	at com.evermind.server.http.EvermindFilterChain.doFilter(EvermindFilterChain.java:15)	at com.peoplesoft.pt.portlet.logging.DynamicFilter.doFilter(DynamicFilter.java:83)	at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:619)	at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:368)	at com.evermind.server.http.HttpRequestHandler.doProcessRequest(HttpRequestHandler.java:866)	at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:448)	at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:302)	at com.evermind.server.http.AJPRequestHandler.run(AJPRequestHandler.java:190)	at oracle.oc4j.network.ServerSocketReadHandler$SafeRunnable.run(ServerSocketReadHandler.java:260)	at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:303)	at java.lang.Thread.run(Thread.java:595)