[asterisk-bugs] [JIRA] (ASTERISK-28882) Repeated PJSIP_EUNSUPTRANSPORT error messages

[Robert Sutton (JIRA)]

Robert Sutton created ASTERISK-28882:
----------------------------------------

             Summary: Repeated PJSIP_EUNSUPTRANSPORT error messages
                 Key: ASTERISK-28882
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28882
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: pjproject/pjsip
    Affects Versions: 16.10.0
         Environment: ubuntu 18.04 docker
realtime jssip over WS
            Reporter: Robert Sutton
            Severity: Minor


The logs are full of the below ERROR, they increase in frequency as time goes by.

It appears that when a remote sip client disconnects abruptly (VPN disconnect) the contact is replaced but some part of the qualify code is still retaining the old contact id and trying to qualify it.

As the code to timeout the contact has already removed it's reference to this dead contact it is never cleaned up.

ERROR[506]: res_pjsip.c:4278 endpt_send_request: Error 171060 'Unsupported transport (PJSIP_EUNSUPTRANSPORT)' sending OPTIONS request to endpoint 113

I've acquired the back trace for this error message...

# 0: [0x5db45d] asterisk utils.c:2404 __ast_assert_failed()
# 1: [0x7fe8771b0ea8] res_pjsip.so res_pjsip.c:4285 endpt_send_request()
# 2: [0x7fe8771b1625] res_pjsip.so res_pjsip.c:4477 ast_sip_send_out_of_dialog_request()
# 3: [0x7fe8771b73ce] res_pjsip.so pjsip_options.c:908 sip_options_qualify_contact()
# 4: [0x4645a7] asterisk astobj2_container.c:328 internal_ao2_traverse()
# 5: [0x46487f] asterisk astobj2_container.c:414 __ao2_callback()
# 6: [0x7fe8771b7561] res_pjsip.so pjsip_options.c:930 sip_options_qualify_aor()
# 7: [0x7fe8771e671c] res_pjsip.so pjsip_scheduler.c:98 run_task()
# 8: [0x5c5736] asterisk taskprocessor.c:1239 ast_taskprocessor_execute()
# 9: [0x5cf3e0] asterisk threadpool.c:1354 execute_tasks()
#10: [0x5c5736] asterisk taskprocessor.c:1239 ast_taskprocessor_execute()
#11: [0x5cd02a] asterisk threadpool.c:367 threadpool_execute()
#12: [0x5cec43] asterisk threadpool.c:1137 worker_active()
#13: [0x5ce9dd] asterisk threadpool.c:1057 worker_start()
#14: [0x5d83b7] asterisk utils.c:1249 dummy_start()
#15: [0x7fe8c2e4e6ba] libpthread.so.0 :0 __pthread_get_minstack()
#16: [0x7fe8c20e341d] libc.so.6 :0 clone()

here is the contact that "pjsip show contacts" lists

  Contact:  113/sip:na89q83p at 127.0.0.1:35636;transport=WS  f21857cece Avail        23.087



and here you can see it is qualifying 2 contacts, 

DEBUG[506]: res_pjsip/pjsip_options.c:857 sip_options_qualify_contact: Qualifying contact '113;@0f05565353fc038d2259556e7a9d87e1' on AOR '113'

DEBUG[506]: res_pjsip/pjsip_options.c:857 sip_options_qualify_contact: Qualifying contact '113;@f21857cece07658a2e96e470283f3ea1' on AOR '113'



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