Hi All, I am using oracle 10g and tomcat, and I am alos running through same problem. consoled message says that java.sql.SQLException: Io exception: End of TNS data channel at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:134) org.apache.jasper.servlet.JspServlet 2009-06-03 17:14:44,718 -- DEBUG -- org.apache.jasper.servlet.JspServlet 2009-06-03 17:14:44,937 -- DEBUG -- org.apache.jasper.servlet.JspServlet 2009-06-03 17:14:45,015 -- DEBUG -- Can you please help me to resolve this kind of proble, Thnaks Vijay A View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4235118#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...