[jboss-user] [Datasource Configuration] - Error in JBOSS

[skm2008]

Hi,
I m trying to access one application in JBOSS. The configuration is comething like jboss with hibernate and i m connection to DB through datasource. While accessing my app i m facing following exception. Anyone have any locks..????

ERROR [org.apache.catalina.core.ContainerBase] Servlet.service() for servlet jsp threw exception
java.sql.SQLException: Closed Connection
	at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:168)
	at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:210)
	at oracle.jdbc.dbaccess.DBError.throwSqlException(DBError.java:273)
	at oracle.jdbc.driver.OracleConnection.setAutoCommit(OracleConnection.java:794)
	at org.jboss.resource.adapter.jdbc.BaseWrapperManagedConnection.checkTransaction(BaseWrapperManagedConnection.java:429)
	at org.jboss.resource.adapter.jdbc.WrappedConnection.checkTransaction(WrappedConnection.java:525)
	at org.jboss.resource.adapter.jdbc.WrappedConnection.prepareStatement(WrappedConnection.java:184)
	at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:396)
	at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:334)
	at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:88)
	at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1162)
	at org.hibernate.loader.Loader.doQuery(Loader.java:390)
	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:218)
	at org.hibernate.loader.Loader.doList(Loader.java:1593)
	at org.hibernate.loader.Loader.list(Loader.java:1577)
	at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:395)
	at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:271)
	at org.hibernate.impl.SessionImpl.list(SessionImpl.java:844)
	at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)

my hibernate.cfg.xml file is as follows::
sun.jdbc.odbc.JdbcOdbcDriver
	org.hibernate.dialect.Oracle9Dialect
	    java:jndi name 
    false
	auto
	org.hibernate.cache.HashtableCacheProvider


oracle-ds.xml file is as follwos:

<local-tx-datasource>
    <jndi-name>jndi name</jndi-name>
   <connection-url>jdbc url</connection-url>
	<driver-class>oracle.jdbc.driver.OracleDriver</driver-class>
    <user-name>XXX</user-name>
    XXX
	<min-pool-size>5</min-pool-size>
	<max-pool-size>10</max-pool-size>
	<prepared-statement-cache-size>0</prepared-statement-cache-size>
	<exception-sorter-class-name>org.jboss.resource.adapter.jdbc.vendor.OracleExceptionSorter</exception-sorter-class-name>
	  
         <type-mapping>Oracle9i</type-mapping>
      
  </local-tx-datasource>


Pleas let me know..!!

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