unable to define jndi in pentaho 4.8 CE manually deployment with tomcat

[Sam Kumar]

Hi Pedro..

I m try to manually deployment with pentaho 4.8 ce with tomcat 7.every thing is working fine.but i am facing problem only in JNDI and also i m getting this error..

Caused by: pt.webdetails.cda.connections.InvalidConnectionException: pt.webdetails.cda.connections.sql.JndiConnection: Found SQLException: [ java.sql.SQLException ] - PentahoDatasourceConnectionProvider.ERROR_0002 - Unable to factory object for jndi name Test_Name for reason javax.naming.NameNotFoundException: Name [Test_Name] is not bound in this Context. Unable to find [Test_Name].
    at pt.webdetails.cda.connections.sql.JndiConnection.getInitializedConnectionProvider(JndiConnection.java:66)
    at pt.webdetails.cda.dataaccess.SqlDataAccess.getDataFactory(SqlDataAccess.java:57)
    at pt.webdetails.cda.dataaccess.PREDataAccess.performRawQuery(PREDataAccess.java:121)
    ... 78 more
Caused by: java.sql.SQLException: PentahoDatasourceConnectionProvider.ERROR_0002 - Unable to factory object for jndi name Test_Name for reason javax.naming.NameNotFoundException: Name [Test_Name] is not bound in this Context. Unable to find [Test_Name].
 
 
 can any one guide me how i solve this issue