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java.lang.NoClassDefFoundError: 	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:164)	at com.bea.netuix.nf.factories.TagClassMap$NamespaceTagnameMap.getClass(TagClassMap.java:149)	at com.bea.netuix.nf.factories.TagClassMap.getClass(TagClassMap.java:75)	at com.bea.netuix.nf.factories.ControlTreeFactoryBuilder$ReflectionStreamReader.startElement(ControlTreeFactoryBuilder.java:352)	at weblogic.apache.xerces.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:460)	at weblogic.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(AbstractXMLDocumentParser.java:222)	at weblogic.apache.xerces.impl.XMLNamespaceBinder.handleStartElement(XMLNamespaceBinder.java:875)	at weblogic.apache.xerces.impl.XMLNamespaceBinder.emptyElement(XMLNamespaceBinder.java:592)	at weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:748)	at weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1478)	at weblogic.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:330)	at weblogic.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:526)	at weblogic.apache.xerces.parsers.DTDConfiguration.parse(DTDConfiguration.java:582)	at weblogic.apache.xerces.parsers.XMLParser.parse(XMLParser.java:153)	at weblogic.apache.xerces.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1176)	at com.bea.netuix.servlets.services.WeblogicXmlServices.doSaxParse(WeblogicXmlServices.java:87)	at com.bea.netuix.nf.factories.ControlTreeFactoryBuilder.getNetuixControlFactory(ControlTreeFactoryBuilder.java:101)	at com.bea.netuix.nf.factories.ControlTreeFactoryBuilder.getNetuixControlFactory(ControlTreeFactoryBuilder.java:75)	at com.bea.netuix.servlets.manager.SingleFileProcessor.getControlFactoryFromFile(SingleFileProcessor.java:616)	at com.bea.netuix.servlets.manager.SingleFileProcessor.getControlFactoryFromFile(SingleFileProcessor.java:558)	at com.bea.netuix.servlets.manager.SingleFileProcessor.getMergedControlFromFile(SingleFileProcessor.java:427)	at com.bea.netuix.servlets.manager.UIServlet.processStream(UIServlet.java:664)	at com.bea.netuix.servlets.manager.UIServlet.getTree(UIServlet.java:554)	at com.bea.netuix.servlets.manager.UIServlet.getTree(UIServlet.java:525)	at com.bea.netuix.servlets.manager.UIServlet.setupJspContext(UIServlet.java:299)	at com.bea.netuix.servlets.manager.UIServlet.doPost(UIServlet.java:224)	at com.bea.netuix.servlets.manager.UIServlet.doGet(UIServlet.java:195)	at com.bea.netuix.servlets.manager.UIServlet.service(UIServlet.java:180)	at com.bea.netuix.servlets.manager.SingleFileServlet.service(SingleFileServlet.java:221)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)	at weblogic.servlet.AsyncInitServlet.service(AsyncInitServlet.java:124)	at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:225)	at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:127)	at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:283)	at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)	at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:26)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:42)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3212)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)	at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:1983)	at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:1890)	at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1344)	at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)	at weblogic.work.ExecuteThread.run(ExecuteThread.java:181)