Question

I am using hibernate and spring for my web application.

In this at some places i forgot to commit transaction…like below code

 SessionFactory sf = HibernateUtils.getSessionFactory();
                session = sf.openSession();
                tx = session.beginTransaction();
..........................................Some Code.............................

But forgot to commit transaction.....

finally
{
session.flush();
session.close();
}

Now My question is that :-

• Is this creates any problem for me ??
• Any issue regarding memory leak ??
• Increasing load to database??

Or what is effect of this on my system ??

Answer 1

If you don’t commit the transaction, then

• The tables involved in the transaction will be locked until the connection gets dropped/closed.
• The changes made to the tables as part of the transaction will be available only for those reusing the same connection from the pool and not to others.
• If commit() method is never called on such a connection till it gets closed/dropped, then all the changes made will be lost after close/drop of the connection.

Basically, the behavior of your system will be arbitrary which means it’s a problem for you. It doesn’t cause any memory leak though.