Oracle WebCenter Portal Access URL is Blank Instead of Showing Login Page
(Doc ID 2445476.1)
Last updated on JULY 15, 2024
Applies to:
Oracle WebCenter Portal - Version 12.2.1.3.0 and laterOracle WebCenter Portal for OCI - Version 12.2.1.4_24.2 and later
Information in this document applies to any platform.
Symptoms
While accessing WebCenter Portal URL http://<HOSTNAME>:<PORT>/webcenter/, it shows a blank page rather than portal login page. Below errors seen in log:
[WC_Portal] [ERROR] [] [oracle.webcenter.webcenterapp.internal.view.webapp] [tid: [ACTIVE].ExecuteThread: '36' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: anonymous] [ecid: <ECID>] [APP: webcenter] [partition-name: DOMAIN] [tenant-name: GLOBAL] [DSID: <DSID>] [[
javax.el.ELException: java.lang.NoClassDefFoundError: Could not initialize class oracle.webcenter.framework.view.support.impl.DeviceSupportUtils
at javax.el.BeanELResolver.getValue(BeanELResolver.java:367)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:188)
at com.sun.el.parser.AstValue.getValue(AstValue.java:139)
at com.sun.el.parser.AstValue.getValue(AstValue.java:203)
at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:226)
at org.jboss.weld.el.WeldValueExpression.getValue(WeldValueExpression.java:50)
at weblogic.servlet.jsp.ELHelper.evaluate(ELHelper.java:32)
at jsp_servlet._system.__welcome._jspService(__welcome.java:90)
at weblogic.servlet.jsp.JspBase.service(JspBase.java:35)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:286)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:260)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:137)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:350)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.webcenter.content.integration.servlets.ContentServletFilter.doFilter(ContentServletFilter.java:168)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:207)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.webcenter.webcenterapp.internal.view.webapp.WebCenterShellFilter.doFilter(WebCenterShellFilter.java:995)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.adf.share.http.ServletADFFilter.doFilter(ServletADFFilter.java:77)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.adf.library.webapp.LibraryFilter.doFilter(LibraryFilter.java:169)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at oracle.webcenter.webcenterapp.internal.view.webapp.WebCenterLocaleWrapperFilter.processFilters(WebCenterLocaleWrapperFilter.java:396)
...
Caused by: java.lang.NoClassDefFoundError: Could not initialize class oracle.webcenter.framework.view.support.impl.DeviceSupportUtils
at oracle.webcenter.framework.view.support.impl.DeviceSupportImpl.getDeviceByUserAgent(DeviceSupportImpl.java:403)
at oracle.webcenter.framework.view.support.DeviceAgent.getDevice(DeviceAgent.java:292)
at oracle.webcenter.framework.view.support.DeviceAgent.getDeviceGroups(DeviceAgent.java:319)
at oracle.webcenter.framework.view.support.DeviceAgent.getCurrentScopeDeviceGroup(DeviceAgent.java:415)
at oracle.webcenter.webcenterapp.internal.view.backing.GatewayBean.getDeviceGroupSpecificPage(GatewayBean.java:227)
at oracle.webcenter.webcenterapp.internal.view.backing.GatewayBean._getRealPageURI(GatewayBean.java:160)
at oracle.webcenter.webcenterapp.internal.view.backing.GatewayBean.getRealLandingPageURI(GatewayBean.java:69)
at sun.reflect.GeneratedMethodAccessor1739.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at javax.el.BeanELResolver.getValue(BeanELResolver.java:362)
... 73 more
Cause
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