code: public void connectionClosed(Object connectionReference) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "connectionClosed", connectionReference);
  
          removeAllConversations(connectionReference);
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "connectionClosed");
      }
docs: Driven in the event that the underlying connection closes. This will only be driven if the
  socket dies before a connection to the ME has had chance to be established.
  
  @see com.ibm.ws.sib.jfapchannel.ConnectionClosedListener#connectionClosed(java.lang.Object)