spmallette opened a new pull request, #3653:
URL: https://github.com/apache/tinkerpop/pull/3653

   The Request Retry section still described the pre-4.x mechanism, telling 
readers to detect a transient error via a ResponseStatusCode of 
SERVER_ERROR_TEMPORARY (code 596). Those constructs no longer exist after the 
move to the HTTP protocol.
   
   Describe how a transient error surfaces under HTTP: an HTTP 500 response 
whose body carries an "exception" field set to "ServerEvaluationException", 
raised when a server-side provider throws an exception implementing 
TemporaryException. Add a Java driver example that inspects 
ResponseException.getRemoteException() to branch into retry logic, and note 
that raw HTTP clients read the same field from the response body.
   
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