KB26166: Users get the “MicroStrategy Portlet is temporarily unavailable” error when setting default preferences for MicroStrategy 10.6 in Liferay 6.2

SYMPTOM:
 
Users may get the “Strategy Portlet is temporarily unavailable” error in Liferay 6.2 when setting default preferences for Strategy 10.6.
 

 
 
STEPS TO REPRODUCE:
 

1. Follow the documentation to deploy Strategy Porlet 10.6 to Liferay Portal 6.2 (Tomcat 7 + JRE 1.8).
   http://www2.microstrategy.com/producthelp/10.6/Portalhelp/topics/Liferay/Liferay_Introduction.htm
    
2. When setting the default preferences for Strategy, it returns the error:
   Strategy Portlet is temporarily unavailable. 
3. In the Liferay log, it returns:
   
   ERROR [http-bio-8080-exec-2][PortletServlet:116] javax.portlet.PortletException: org.apache.jasper.JasperException: /jsp/Edit_Defaults.jsp (line: 5, column: 0) Failed to load or instantiate TagExtraInfo class: org.apache.pluto.tags.DefineObjectsTag$TEI
   javax.portlet.PortletException: org.apache.jasper.JasperException: /jsp/Edit_Defaults.jsp (line: 5, column: 0) Failed to load or instantiate TagExtraInfo class: org.apache.pluto.tags.DefineObjectsTag$TEI

 
CAUSE:
 
This is a known issue of Strategy Liferay Portlet 10.6.
 
ACTION:
 
Strategy will continue to investigate and post updates as soon as they are available.
WORKAROUND:
 
Users can delete WEB-INF/tld/portlet.tld in MSTRPortlet_Liferay.war and re-deploy it to Liferay.