Transaction rollback on SQLException using new try-with-resources block

Question

I have a problem with try-with-resources and I am asking just to be sure. Can I use it, if I need to react on exception, and I still need the resource in catch block? Exampl

Answer 1

In the example above I think it's better to put con.commit() inside nested try-catch because it also can throw SQLException.

 try (java.sql.Connection con = createConnection())
    {
        con.setAutoCommit(false);
        try (Statement stm = con.createStatement())
        {
            stm.execute(someQuery); // causes SQLException
            con.commit();           // also causes SQLException!
        }
        catch(SQLException ex)
        {
            con.rollback();
            throw ex;
        }finally{
            con.setAutoCommit(true);
        }
    }

We had such problem in our production environment with unclosed sessions.