code: public void dissociateHandle(WSJdbcConnection connHandle) 
      {
          if (!cleaningUpHandles && 
              !removeHandle(connHandle))
  
          {
              if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) 
                  Tr.debug(this, tc, "Unable to dissociate Connection handle with current ManagedConnection because it is not currently associated with the ManagedConnection.",
                           connHandle);
          }
      }
docs: This method is invoked by the connection handle during dissociation to signal the
  ManagedConnection to remove all references to the handle. If the ManagedConnection
  is not associated with the specified handle, this method is a no-op and a warning
  message is traced.
  
  @param the connection handle.