After completing a successful upgrade, users cannot see the list of available WEM applications (Doc ID 1579551.1)

Last updated on JUNE 05, 2023

Applies to:

Symptoms

After a successful upgrade, users are unable to login through the WEM UI. They are able to log in, but after login they get to the Site selection, and there are no apps to choose from. Instead it says "All Apps", which does nothing when clicked.

The logs show a NullPointerException:
[2013-08-25 09:55:52,859 UTC] [ERROR] [.kernel.Default (self-tuning)'] [sso.cas.filter.CASFilter] Exception met in filter Chain:
javax.servlet.ServletException
  at com.fatwire.auth.RequestAuthenticationFilter.doFilter(RequestAuthenticationFilter.java:198)
  at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
  at COM.FutureTense.Servlet.URLRewriteFilter.doFilter(URLRewriteFilter.java:81)
  at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
  at com.fatwire.wem.sso.cas.filter.CASFilter.doFilter(CASFilter.java:241)
  at com.fatwire.wem.sso.SSOFilter.doFilter(SSOFilter.java:51)
  at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
  at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3730)
  at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3696)
  at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
  at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
  at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2273)
  at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2179)
  at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1490)
  at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256)
  at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)
Caused by: java.lang.NullPointerException
  at com.fatwire.assetapi.data.BasicAssetDataReadStrategy._getAssetDataFromAsset(BasicAssetDataReadStrategy.java:512)
  at com.fatwire.assetapi.data.BasicAssetDataReadStrategy._getAssetDataFromAsset(BasicAssetDataReadStrategy.java:235)
  at com.fatwire.assetapi.data.BasicAssetDataReadStrategy._getAssetDataFromAssets(BasicAssetDataReadStrategy.java:977)
  at com.fatwire.assetapi.data.BasicAssetDataReadStrategy._getBasicAssets(BasicAssetDataReadStrategy.java:926)
  at com.fatwire.assetapi.data.BasicAssetDataReadStrategy.read(BasicAssetDataReadStrategy.java:110)
  at com.fatwire.assetapi.data.AssetDataManagerImpl.read(AssetDataManagerImpl.java:81)
  at com.fatwire.rest.util.WEMApplicationUtil.getApplications(WEMApplicationUtil.java:300)
  at com.fatwire.rest.util.WEMApplicationUtil.getApplications(WEMApplicationUtil.java:356)
  at com.fatwire.rest.service.impl.LocalApplicationsServiceImpl.getApplications(LocalApplicationsServiceImpl.java:89)
  at com.fatwire.rest.resources.ApplicationsResource.getApplications(ApplicationsResource.java:48)
  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:597)

Changes

Cause

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