Hi all, I'm new in Hibernate.
I use hibernate with db2 and I have problem with connections:
When I try connect with database I have error :

Nov 3, 2009 3:05:44 PM org.hibernate.util.JDBCExceptionReporter logExceptions
WARNING: SQL Error: -4471, SQLState: null
Nov 3, 2009 3:05:44 PM org.hibernate.util.JDBCExceptionReporter logExceptions
SEVERE: [jcc][t4][10251][10308][4.7.85] java.sql.Connection.close() requested while a transaction is in progress on the connection.
The transaction remains active, and the connection cannot be closed. ERRORCODE=-4471, SQLSTATE=null
Exception in thread "main" org.hibernate.exception.GenericJDBCException: Cannot release connection
at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126)
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)
at org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:478)
at org.hibernate.jdbc.ConnectionManager.aggressiveRelease(ConnectionManager.java:429)
at org.hibernate.jdbc.ConnectionManager.afterTransaction(ConnectionManager.java:316)
at org.hibernate.jdbc.JDBCContext.afterNontransactionalQuery(JDBCContext.java:268)
at org.hibernate.impl.SessionImpl.afterOperation(SessionImpl.java:445)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1605)
at org.hibernate.impl.CriteriaImpl.list(CriteriaImpl.java:306)
at rec.creativewroclaw.dao.GenericHibernateDAO.findByCriteria(GenericHibernateDAO.java:136)
at rec.creativewroclaw.dao.GenericHibernateDAO.findAll(GenericHibernateDAO.java:72)
at rec.StartDataBase.main(StartDataBase.java:28)
Caused by: com.ibm.db2.jcc.am.SqlException: [jcc][t4][10251][10308][4.7.85] java.sql.Connection.close() requested while a transaction is in progress on the connection.
The transaction remains active, and the connection cannot be closed. ERRORCODE=-4471, SQLSTATE=null
at com.ibm.db2.jcc.am.dd.a(dd.java:660)
at com.ibm.db2.jcc.am.dd.a(dd.java:60)
at com.ibm.db2.jcc.am.dd.a(dd.java:120)
at com.ibm.db2.jcc.am.lb.u(lb.java:1169)
at com.ibm.db2.jcc.am.lb.x(lb.java:1192)
at com.ibm.db2.jcc.am.lb.v(lb.java:1178)
at com.ibm.db2.jcc.am.lb.close(lb.java:1162)
at org.hibernate.connection.DriverManagerConnectionProvider.closeConnection(DriverManagerConnectionProvider.java:160)
at org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:474)
... 9 more

Pleas help me.

you should provide some more code.