if (log.isTraceEnabled())
if (trace)
   private void unsetCurrentTransactionId(final Xid xid)   {      if (xid == null)         throw new org.jboss.util.NullArgumentException("xid");      if (log.isTraceEnabled())      {         log.trace("Unsetting current tx  xid=" + xid + " previous: " + sessionState.getCurrentTxId() + " " + this);      }            // Don't unset the xid if it has previously been suspended      // The session could have been recycled      if (xid.equals(sessionState.getCurrentTxId()))      {         sessionState.setCurrentTxId(rm.createLocalTx());      }   }