public void closeTStatement() {
   try {
     if (stmt != null) {
       if (stmt instanceof Statement) {
         Statement st = (Statement) stmt;
         if (st.isClosed() == false) {
           st.close();
           if (LOG.isDebugEnabled())
             LOG.debug(serverWorkerName + ". T2 st.close(" + stmtLabel + ")");
         }
       } else if (stmt instanceof PreparedStatement) {
         PreparedStatement pst = (PreparedStatement) stmt;
         if (pst.isClosed() == false) {
           pst.close();
           if (LOG.isDebugEnabled())
             LOG.debug(serverWorkerName + ". T2 pst.close(" + stmtLabel + ")");
         }
       }
     }
   } catch (SQLException sql) {
   }
   reset();
 }