[asterisk-bugs] [JIRA] (ASTERISK-21957) Confbridge doesn't tear down an empty conference bridge when all users were kicked via end_marked=yes. Also, side effect crashes.

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-21957:
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             Summary: Confbridge doesn't tear down an empty conference bridge when all users were kicked via end_marked=yes. Also, side effect crashes.
                 Key: ASTERISK-21957
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21957
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_confbridge
    Affects Versions: 11.4.0
         Environment: Asterisk 11.4.0 on Raspberry Pi with 2-9-2013-debian-wheezy and 11.3.0 running on an Intel Atom w/ Ubuntu 12.04.
            Reporter: Chris Gentle
            Assignee: Rusty Newton


Please reference:

http://lists.digium.com/pipermail/asterisk-users/2013-June/279231.html

I've set up a conference where I'm relying on end_marked=yes to kick all participants when the leader exits.  This results in an error as shown below:

{noformat}
 << Hangup on console >>
    -- <Bridge/0x2364be4-input> Playing 'confbridge-leave.slin' (language 'en')
    -- Stopped music on hold on SIP/gent_2880-00000002
    -- <SIP/gent_2880-00000002> Playing 'custom/thank-you.ulaw' (language 'en')
    -- Executing [1000 at conferences:2] Hangup("SIP/gent_2880-00000002",
"") in new stack
== Spawn extension (conferences, 1000, 2) exited non-zero on
'SIP/gent_2880-00000002'
{noformat}

In this case, the conference leader was the alsa console channel.  Once it was hung up, a non-zero exit status caused the confbridge to go into a bad state showing 0 users:

confbridge list

{noformat}
Conference Bridge Name           Users  Marked Locked?
================================ ====== ====== ========
1000                                  0      0 unlocked
{noformat}

Asterisk has to be restarted to clear this.  In a normal exit, a "confbridge list" would not show conference 1000 because it would have been destroyed.

If no participants are dialed into the conference, everything closes cleanly when the leader exits.

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