[SR-Users] Intermittent error seen when using a python script in kamailio

Wed Apr 27 16:09:28 CEST 2022

Note that some top-level methods *MUST* return integers like 1 for success
and 0 for failure. You cannot let the method fallthrough to None. Try
returning an int everywhere until you get it working.

On Mon, 4 Apr 2022, 23:20 Daniel-Constantin Mierla, <miconda at gmail.com>
wrote:

> I am not using Python module myself, although I helped adding Kemi support
> to it. It is not easy for me to create a testbed and try to reproduce.
> Maybe you can create a minimal config and a sipp scenario that can
> reproduce it. That could help the non-python developers to troubleshoot.
>
> Cheers,
> Daniel
> On 01.04.22 15:40, Wojciech Kopciewicz wrote:
>
> Any thoughts on this?
>
> Pozdrawiam / Best regards,
> Wojtek
>
>
> On Fri, Feb 25, 2022 at 9:30 AM Wojciech Kopciewicz <
> wojciech.kopciewicz at motorolasolutions.com> wrote:
>
>> Hi Daniel,
>>
>> This is still a development setup so the traffic is very small - a few
>> calls a day.
>> It seems that the issue can be seen during first calls after some
>> inactivity.
>>
>> Pozdrawiam / Best regards,
>> Wojtek
>>
>>
>> On Wed, Feb 23, 2022 at 2:11 PM Daniel-Constantin Mierla <
>> miconda at gmail.com> wrote:
>>
>>> Hello,
>>>
>>> how often they show up and is there high volume of traffic at that
>>> moment?
>>>
>>> Cheers,
>>> Daniel
>>> On 23.02.22 11:44, Wojciech Kopciewicz wrote:
>>>
>>> Hi,
>>>
>>> Yes, those values are hard-coded strings.
>>>
>>> Pozdrawiam / Best regards,
>>> Wojtek
>>>
>>>
>>> On Wed, Feb 23, 2022 at 8:25 AM Daniel-Constantin Mierla <
>>> miconda at gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> do you check that header_name parameter set for KSR.hdr.is_present() is
>>>> a string value?
>>>>
>>>> Cheers,
>>>> Daniel
>>>> On 22.02.22 15:36, Wojciech Kopciewicz wrote:
>>>>
>>>> Hi,
>>>>
>>>> Intermittently we are observing the following error when checking if
>>>> given header is present in SIP INVITE:
>>>>
>>>> SystemError: returned a result with an error set
>>>>
>>>> The complete stack trace is (some names redacted):
>>>> 11(28) ERROR: {1 195 INVITE nMHZDN.10nOIDt4ldOwz5cqz0XnMepA9}
>>>> app_python3 [python_support.c:156]: python_handle_exception(): apy_exec:
>>>> modify_headers((null)): Unhandled exception in the Python code:
>>>> TypeError: an integer is required (got type NoneType)
>>>>
>>>> The above exception was the direct cause of the following exception:
>>>>
>>>> Traceback (most recent call last):
>>>> File "/etc/kamailio/kamailio.py", line 25, in modify_headers
>>>> self.modify_header("SomeHeader")
>>>> File "/etc/kamailio/kamailio.py", line 29, in modify_header
>>>> present = KSR.hdr.is_present(header_name)
>>>> SystemError: returned a result with an error set
>>>>
>>>> Kamailio version (kamailio -v output):
>>>>
>>>> version: kamailio 5.4.6 (x86_64/linux)
>>>>
>>>> flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS,
>>>> DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, Q_MALLOC,
>>>> F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT,
>>>> USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST,
>>>> HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED
>>>> ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_URI_SIZE
>>>> 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
>>>> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>>>> id: unknown
>>>> compiled with gcc 8.3.0
>>>>
>>>> Operation system: Linux kamailio-5c7484c74d-vhhr8 5.4.0-1056-azure
>>>> #58~18.04.1-Ubuntu SMP Wed Jul 28 23:14:18 UTC 2021 x86_64 GNU/Linux
>>>>
>>>> Are you able to help me find the root cause of this issue?
>>>> Pozdrawiam / Best regards,
>>>> Wojtek
>>>>
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>>>>
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>>>>
>>>> --
>>>> Daniel-Constantin Mierla -- www.asipto.com <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.asipto.com&d=DwMDaQ&c=q3cDpHe1hF8lXU5EFjNM_C93KOmcBXCBnhee2v6PYlc&r=RsXkMe6sb2-9yHQUV8KP4MrUtS9gOAiWNJa5xB5cLRjcZVaHW3sjBwy6Fjb928KS&m=CCE2EDt4eKanG8YC1Bxc51CQSyCg0YpKbySFR-sqilb-wdhYCRYU-pAI_eYmCu2v&s=pnzsCbZ_eh8dJX6QplBGIAK-EmQkpN_VjRyxXF0SFxo&e=>www.twitter.com/miconda <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.twitter.com_miconda&d=DwMDaQ&c=q3cDpHe1hF8lXU5EFjNM_C93KOmcBXCBnhee2v6PYlc&r=RsXkMe6sb2-9yHQUV8KP4MrUtS9gOAiWNJa5xB5cLRjcZVaHW3sjBwy6Fjb928KS&m=CCE2EDt4eKanG8YC1Bxc51CQSyCg0YpKbySFR-sqilb-wdhYCRYU-pAI_eYmCu2v&s=iWp3lX8ri4p3VEeSGTnGf6vgaEBQDXLQmnskbOwLB3E&e=> -- www.linkedin.com/in/miconda <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.linkedin.com_in_miconda&d=DwMDaQ&c=q3cDpHe1hF8lXU5EFjNM_C93KOmcBXCBnhee2v6PYlc&r=RsXkMe6sb2-9yHQUV8KP4MrUtS9gOAiWNJa5xB5cLRjcZVaHW3sjBwy6Fjb928KS&m=CCE2EDt4eKanG8YC1Bxc51CQSyCg0YpKbySFR-sqilb-wdhYCRYU-pAI_eYmCu2v&s=1iFgA-q0-_ZShBF-FItoq6r0sAg09N2RKDLCO80LzGw&e=>
>>>> Kamailio Advanced Training - Online
>>>>   Mar 28-31, 2022 (Europe Timezone)
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>>>>
>>>>
>>> *For more information on how and why we collect your personal
>>> information, please visit our Privacy Policy
>>> <https://www.motorolasolutions.com/en_us/about/privacy-policy.html?elqTrackId=8980d888905940e39a2613a7a3dcb0a7&elqaid=2786&elqat=2#privacystatement>.*
>>>
>>> --
>>> Daniel-Constantin Mierla -- www.asipto.com <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.asipto.com&d=DwMDaQ&c=q3cDpHe1hF8lXU5EFjNM_C93KOmcBXCBnhee2v6PYlc&r=RsXkMe6sb2-9yHQUV8KP4MrUtS9gOAiWNJa5xB5cLRjcZVaHW3sjBwy6Fjb928KS&m=ciUm5591lbERv9MC6e_pLveQYX7zQZLMLzi4r2na0WG0tvcJeJNOtw77DQ7-OgGU&s=zJFtVCAWufSwSehp6pvpr04uyL6lD3FGqDeaFPv944I&e=>www.twitter.com/miconda <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.twitter.com_miconda&d=DwMDaQ&c=q3cDpHe1hF8lXU5EFjNM_C93KOmcBXCBnhee2v6PYlc&r=RsXkMe6sb2-9yHQUV8KP4MrUtS9gOAiWNJa5xB5cLRjcZVaHW3sjBwy6Fjb928KS&m=ciUm5591lbERv9MC6e_pLveQYX7zQZLMLzi4r2na0WG0tvcJeJNOtw77DQ7-OgGU&s=qUYXpFu_MBwO--p70pHIPCfpxAjJtZr3uBK5K-mGvFA&e=> -- www.linkedin.com/in/miconda <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.linkedin.com_in_miconda&d=DwMDaQ&c=q3cDpHe1hF8lXU5EFjNM_C93KOmcBXCBnhee2v6PYlc&r=RsXkMe6sb2-9yHQUV8KP4MrUtS9gOAiWNJa5xB5cLRjcZVaHW3sjBwy6Fjb928KS&m=ciUm5591lbERv9MC6e_pLveQYX7zQZLMLzi4r2na0WG0tvcJeJNOtw77DQ7-OgGU&s=9swPTb_vUy_tOOdA5cLpzqwo46lZcq49D8HfUU5nukk&e=>
>>> Kamailio Advanced Training - Online
>>>   Mar 28-31, 2022 (Europe Timezone)
>>>   * https://www.asipto.com/sw/kamailio-advanced-training-online/ <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.asipto.com_sw_kamailio-2Dadvanced-2Dtraining-2Donline_&d=DwMDaQ&c=q3cDpHe1hF8lXU5EFjNM_C93KOmcBXCBnhee2v6PYlc&r=RsXkMe6sb2-9yHQUV8KP4MrUtS9gOAiWNJa5xB5cLRjcZVaHW3sjBwy6Fjb928KS&m=ciUm5591lbERv9MC6e_pLveQYX7zQZLMLzi4r2na0WG0tvcJeJNOtw77DQ7-OgGU&s=vuZxuK6JIx5vA6L8rdnutswybBv_85F8w0JaOSr-9Ps&e=>
>>>
>>>
> *For more information on how and why we collect your personal information,
> please visit our Privacy Policy
> <https://www.motorolasolutions.com/en_us/about/privacy-policy.html?elqTrackId=8980d888905940e39a2613a7a3dcb0a7&elqaid=2786&elqat=2#privacystatement>.*
>
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> Important: keep the mailing list in the recipients, do not reply only to the sender!
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> --
> Daniel-Constantin Mierla -- www.asipto.comwww.twitter.com/miconda -- www.linkedin.com/in/miconda
> Kamailio Advanced Training - Online
>   March 28-31, 2022 (Europe Timezone)
>   * https://www.asipto.com/sw/kamailio-advanced-training-online/
>
> __________________________________________________________
> Kamailio - Users Mailing List - Non Commercial Discussions
>   * sr-users at lists.kamailio.org
> Important: keep the mailing list in the recipients, do not reply only to
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