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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 org.apache.myfaces.webapp.MyFacesServlet.init(MyFacesServlet.java:94)	at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:343)	at weblogic.servlet.internal.StubSecurityHelper$ServletInitAction.run(StubSecurityHelper.java:294)	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 weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:246)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:246)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)	at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:301)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)	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 weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)	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 weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)	at pt.ptinovacao.components.aeolus.jsf.web.security.AeolusTestPermissionFilter.doFilter(AeolusTestPermissionFilter.java:137)	at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)	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 weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:78)	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$ServletInvocationAction.wrapRun(WebAppServletContext.java:3683)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3649)	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)