[asterisk-bugs] [JIRA] (ASTERISK-28543) When Asterisk cannot connect to SIP socket it starts to flood with "Bad descriptor" errors and hangs

[John Smith (JIRA)]

John Smith created ASTERISK-28543:
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             Summary:     When Asterisk cannot connect to SIP socket it starts to flood with "Bad descriptor" errors and hangs
                 Key: ASTERISK-28543
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28543
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: General
    Affects Versions: 16.3.0, 16.5.1
         Environment:     CentOS Linux release 7.6.1810 (Core) x64

            Reporter: John Smith


    When some endpoint goes offline the following messages appear in the console: ERROR[2889]: tcptls.c:553 ast_tcptls_client_start: Unable to connect SIP socket to IP:5060: Connection refused followed by ERROR[2751]: iostream.c:569 ast_iostream_close: close() failed: Bad file descriptor Error occurs only for endpoints with protocol=tcp in sip.conf (and probably tls) after some time calls started to drop with "Bad file descriptor" errors and finally after some time Asterisk becomes unresponsible: all endpoints lose their registrations, no calls can be made/received. Service restart does not help. Server restart can help on a short time. Workaround is to remove offline endpoint from sip.conf sip.conf example: [sfb] type=friend host=10.30.8.90 port=5060 dtmfmode=rfc2833 context=office directmedia=no qualify=yes transport=tcp allow=!all,alaw,ulaw,g722 




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