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 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3962737#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...