Reproduce it on latest GIT HEAD. Then if you catch it happening, gcore the process and post the bt on a jira search FS wiki for debugging FS and look for obtaining a backtrace On Fri, Nov 30, 2012 at 11:06 AM, Hector Geraldino < Hector.Geraldino@ipsoft.com> wrote:
Hello everyone,****
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I have a FreeSWITCH instance that has been running for months without an issue, until last Monday. The setup is for a hotline where we receive incoming calls transferred from the Client Cisco UCM to our FreeSWITCH instance, and the calls are handled by a custom Java application via ESL.* ***
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As I said it was working flawlessly for weeks, but last Monday FreeSWITCH just stopped accepting new calls. I was able to see the SIP messages flowing back and forth from FS<->UCM, but looks like FreeSWITCH was unable to create new channels. Once I restarted FreeSWITCH everything was back to normal. Here are links to the SIP/console logs I was able to capture which covers both scenarios (non-working FS and working FS):****
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Non-working: http://pastebin.freeswitch.org/20275****
Working: http://pastebin.freeswitch.org/20274****
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As you can see, in the non-working scenario no channels were created on FreeSWITCH, so no 200 ACK message was sent back to UCM after the INVITE, which caused the UCM to send a CANCEL message after a few seconds and a 487 Request terminated from FS -> UCM. Restarting the application fixed the issue, but I have a couple of questions regarding this:****
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**1) **We have a lot of monitoring in place for all our applications, and I could probably alerted our Operations team if FreeSWITCH crashed or some error was logged in the FS log. However I was unable to found anything meaningful in the logs that indicates any sort of error. It just suddenly stopped creating new channels, and we get the alert/complain from the client – ouch!****
**2) **I was also not sure what other information I should collect when something like this happens. As the application didn’t crash it didn’t create any coredump files. I know that restarting it fixes the problem, but that is not what the client wants to hear.****
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Any recommendations on what to do/look at to proactively detect this kind of issues and/or how to collect the appropriate info to get the root cause will be greatly appreciated. ****
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Thank you all for your time,****
Hector****
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