[jira] [Created] (PROTON-1899) Qpid proton reconnect_options.max_attempts is not inline with Qpid JMS failover.maxReconnectAttempts

["Jeremy (JIRA)" <ji...@apache.org>]

Jeremy created PROTON-1899:
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             Summary: Qpid proton reconnect_options.max_attempts is not inline with Qpid JMS failover.maxReconnectAttempts
                 Key: PROTON-1899
                 URL: https://issues.apache.org/jira/browse/PROTON-1899
             Project: Qpid Proton
          Issue Type: Improvement
          Components: cpp-binding
            Reporter: Jeremy


In Qpid JMS, the default value of [failover.maxReconnectAttempts|https://qpid.apache.org/releases/qpid-jms-0.11.1/docs/index.html#failover-configuration-options] is -1, meaning it will retry indefinitely.

In Qpid Proton, the default is also to retry indefinitely., however, the default value of [reconnect_options.max_attempts|https://qpid.apache.org/releases/qpid-proton-0.22.0/proton/cpp/api/classproton_1_1reconnect__options.html#a7e6b1a75735da02638374a317a232428] is 0.

I understand that conforming to JMS is perhaps not priority.

However, for me, the problem arises when I want to have failover without necessarily retrying.

With 0 being the no limit to retry and being the default value, there is no way I can tell proton not to retry, but to failover. What I would expect with failover and no retry is the following behavior: 
 * Proton tries to connect to the connect URL
 * If it fails, it loops over the failover url's once, until it either succeeds to connect or it fails

With the current way things are done, I am obliged to retry at least once, repeating the above scenario twice. I tested this by putting no failover URLs, and specifying a max_attempts of 1. Proton tries to connect twice to the connect URL.

Perhaps there is a way around this with the current API, however, couldn't find it.



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