[jira] [Created] (MESOS-9911) SSL socket error logging can be improved.

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

Till Toenshoff created MESOS-9911:
-------------------------------------

             Summary: SSL socket error logging can be improved.
                 Key: MESOS-9911
                 URL: https://issues.apache.org/jira/browse/MESOS-9911
             Project: Mesos
          Issue Type: Bug
    Affects Versions: 1.9.0
            Reporter: Till Toenshoff


While debugging some unrelated linkage problem, I noticed the following error output;
{noformat}
16:19:25 I0728 16:19:25.323794 26188 libevent_ssl_socket.cpp:1244] Socket error: error:00000005:lib(0):func(0):DH lib
{noformat}

The error message appears not very helpful and that we can improve on.

When receiving a libevent openssl-error, we do not check the error code but pass it on to openssl for retrieving an error string -- this is not ideal considering that openssl does signal more; 
The error code 5, which actually means {{SSL_ERROR_SYSCALL}} does hint that we should now check {{errno}} for more information on the problem.  We should only ever invoke openssl's error string generator when we did receive a {{SSL_ERROR_SSL}}.

Also see http://openssl.6102.n7.nabble.com/SSL-read-return-1-error-00000005-lib-0-func-0-DH-lib-tp27612p27613.html



--
This message was sent by Atlassian JIRA
(v7.6.14#76016)