[jboss-user] [JBoss Portal] - An error occured while rendering window 'default.Admin.Manag

[vsiva]

I am getting this error An error occured while rendering window 'default.Admin.ManagementPortletWindow'  in  Management Portlet.
and java.lang.NullPointerException in the content area.

The root+ button does not work in CMS Admin.

I changed my database configuration MySQL.

I have hsldb-ds.xml not changed.

portal-ds.xml changed for MySQL
portal-mysql-ds.xml  changed for MySQL
portal-hsqldb-ds.xml  changed for MySQL

Sample 
 <?xml version="1.0" encoding="UTF-8" ?> 
  | - <datasources>
  | - <local-tx-datasource>
  |   <jndi-name>portalDS2</jndi-name> 
  |   <connection-url>jdbc:mysql://localhost:3306/jbossportal?useServerPrepStmts=false;jdbcCompliantTruncation=false</connection-url> 
  |   <driver-class>org.gjt.mm.mysql.Driver</driver-class> 
  |   <user-name>admin</user-name> 
  |   <password /> 
  |   </local-tx-datasource>
  |   </datasources>
  | 
In all three .xml files I have different jndi  name for  <jndi-name>portalDS2</jndi-name>  

I am able to create a new user, and see the changed updated in MySQL. The tables are created with default value. 

Thanks in advance

Siva

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