pivotal-eshu commented on pull request #6659:
URL: https://github.com/apache/geode/pull/6659#issuecomment-870138251


   > > > It seems like the correct behaviour to not log this error message 
excessively, but will this change mean that we won't log an error even if none 
of the nodes have a sender configured?
   > > 
   > > 
   > > For serial wan -- a node performing a tx operation may not have a sender 
configure. I do not think it is an error.
   > 
   > What I'm wondering about is a situation where none of the nodes have a 
sender configured. It's normal that a node performing a tx operation may not 
have a sender, but if none of the nodes in the system do, will we now not be 
logging an error when it would be useful to do so? Or would that situation 
never happen/cause other errors to be logged?
   
   If there is no node configures the sender, the remote site will not get any 
data propagation. I think that is the error situation user can detect.
   I think the issue (no sender created) should not rely on transaction to 
detect that issue. We do not log such issue in non-transactional operations.
   To log such error, there should be a way from wan to determine there is no 
sender in the cluster. I don't think this is available. 


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