gozirra-ws/src/main/java/com/hi3project/vineyard/comm/stomp/gozirraws/Stomp.java
public void commitW( Map header ) throws InterruptedException { 
    String receipt = addReceipt( header );
    transmit( Command.COMMIT, header ); 
    waitOnReceipt( receipt );
  }
public void commitW( Map header ) throws InterruptedException { 
    String receipt = addReceipt( header );
    transmit( Command.COMMIT, header ); 
    waitOnReceipt( receipt );
  }
Commits a transaction, causing any messages sent since begin()
was called to be delivered.  This method does not return until
the server has confirmed that the commit was successfull.