Iam getting the folling errorswhen running the application on Jboss3.2.1
any clue about this.

[FATAL]18:01:2004-02:41:27-
com.cn.eot.persistense.util.DBAccessUtil-org.jboss.util.NestedSQLException: No ManagedConnections Available!; - nested throwable: (javax.resource.ResourceException: No ManagedConnections Available!)




[FATAL]18:01:2004-04:57:15-
com.cn.eot.persistense.util.DBAccessUtil-org.jboss.util.NestedSQLException: You are trying to use a connection factory that has been shut down: ManagedConnectionFactory is null.; - nested throwable: (javax.resource.ResourceException: You are trying to use a connection factory that has been shut down: ManagedConnectionFactory is null.)