java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at javax.faces.CurrentThreadToServletContext.getFallbackFactory(CurrentThreadToServletContext.java:79)
at javax.faces.FactoryFinderInstance.getFactory(FactoryFinderInstance.java:557)
at javax.faces.FactoryFinder.getFactory(FactoryFinder.java:283)
at javax.faces.webapp.FacesServlet.init(FacesServlet.java:350)
at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:343)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:326)
at weblogic.security.service.SecurityManager.runAsForUserCode(SecurityManager.java:197)
at weblogic.servlet.provider.WlsSecurityProvider.runAsForUserCode(WlsSecurityProvider.java:203)
at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:71)
at weblogic.servlet.internal.StubSecurityHelper.initServletInstance(StubSecurityHelper.java:99)
at weblogic.servlet.internal.StubSecurityHelper.createServlet(StubSecurityHelper.java:87)
at weblogic.servlet.internal.StubLifecycleHelper.createOneInstance(StubLifecycleHelper.java:71)
at weblogic.servlet.internal.StubLifecycleHelper.(StubLifecycleHelper.java:57)
at weblogic.servlet.internal.StubLifecycleHelper.(StubLifecycleHelper.java:31)
at weblogic.servlet.internal.ServletStubImpl.initStubLifecycleHelper(ServletStubImpl.java:673)
at weblogic.servlet.internal.ServletStubImpl.prepareServlet(ServletStubImpl.java:612)
at weblogic.servlet.internal.ServletStubImpl.getServlet(ServletStubImpl.java:414)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:304)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:25)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:206)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:388)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:515)
at pt.ptinovacao.components.aeolus.web.i18n.filter.AeolusI18nLocaleResolverFilter.doFilter(AeolusI18nLocaleResolverFilter.java:103)
at pt.ptinovacao.components.aeolus.web.i18n.filter.AeolusI18nLocaleResolverFilter.doFilter(AeolusI18nLocaleResolverFilter.java:75)
at pt.ptinovacao.components.aeolus.jsf.web.security.AeolusTestPermissionFilter.doFilter(AeolusTestPermissionFilter.java:137)
at pt.ptinovacao.components.aeolus.web.context.filter.AeolusUserContextResolverFilter.doFilter(AeolusUserContextResolverFilter.java:103)
at pt.ptinovacao.components.aeolus.web.context.filter.AeolusUserContextResolverFilter.doFilter(AeolusUserContextResolverFilter.java:75)
at pt.ptinovacao.portal.ui.filter.PerformanceFilter.doFilter(PerformanceFilter.java:64)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:32)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3683)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:326)
at weblogic.security.service.SecurityManager.runAsForUserCode(SecurityManager.java:197)
at weblogic.servlet.provider.WlsSecurityProvider.runAsForUserCode(WlsSecurityProvider.java:203)
at weblogic.servlet.provider.WlsSubjectHandle.run(WlsSubjectHandle.java:71)
at weblogic.servlet.internal.WebAppServletContext.doSecuredExecute(WebAppServletContext.java:2433)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2281)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2259)
at weblogic.servlet.internal.ServletRequestImpl.runInternal(ServletRequestImpl.java:1691)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1651)
at weblogic.servlet.provider.ContainerSupportProviderImpl$WlsRequestExecutor.run(ContainerSupportProviderImpl.java:270)
at weblogic.invocation.ComponentInvocationContextManager._runAs(ComponentInvocationContextManager.java:348)
at weblogic.invocation.ComponentInvocationContextManager.runAs(ComponentInvocationContextManager.java:333)
at weblogic.work.LivePartitionUtility.doRunWorkUnderContext(LivePartitionUtility.java:54)
at weblogic.work.PartitionUtility.runWorkUnderContext(PartitionUtility.java:41)
at weblogic.work.SelfTuningWorkManagerImpl.runWorkUnderContext(SelfTuningWorkManagerImpl.java:640)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:406)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:346)

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