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

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(a)gmail.com&gt; 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(a)gmail.com&gt; 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? 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