I'm using Tomcat server, I started the tomcat server at yesterday morning it continuously runs till today morning, when i try to login in my application it shows org.hibernate.TransactionException: JDBC rollback failed exception, the following is the exception show




HTTP Status 500 -

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.hibernate.TransactionException: JDBC rollback failed
org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:204)
dao.LoginDAO.getUser(LoginDAO.java:72)
servlets.LoginServlet.doLogin(LoginServlet.java:400)
servlets.LoginServlet.doPost(LoginServlet.java:83)
javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

com.mysql.jdbc.exceptions.MySQLNonTransientConnectionException: Connection.close() has already been called. Invalid operation in this state.
com.mysql.jdbc.SQLError.createSQLException(SQLError.java:888)
com.mysql.jdbc.Connection.getMutex(Connection.java:3755)
com.mysql.jdbc.Connection.rollback(Connection.java:5251)
org.hibernate.transaction.JDBCTransaction.rollbackAndResetAutoCommit(JDBCTransaction.java:217)
org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:196)
dao.LoginDAO.getUser(LoginDAO.java:72)
servlets.LoginServlet.doLogin(LoginServlet.java:400)
servlets.LoginServlet.doPost(LoginServlet.java:83)
javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.
Apache Tomcat/6.0.18



please give any solution for this problem

thanks in advance......

regards,
ram

HI ram



read this post..
https://forum.hibernate.org/viewtopic.php?f=1&t=997637


bye.tc.

Actually we r using Annotations for the beans, is it possible to solve using the hibenate.cfg.xml???