[OpenSIPS-Users] dialog - failed to get From header

[Bogdan-Andrei Iancu]

Hi Jeff,

The message says you have a FROM hdr with no TAG parameter :)..

For printing the callid - there was mistake in my patch - attached is 
the correct new version

Do you think that printing the FROM hdr will help ?

Regards,
Bogdan

Jeff Pyle wrote:
> An error with the patch loaded:
>
> ERROR:dialog:pre_match_parse: failed to get From header
> (hdr=0x81c4598,parsed=0x81c55b8,tag_len=0) callid=<
>
> There might have been a closing > on the callid (terminal wrap problem), but
> there definitely isn't anything between them.
>
>
> - Jeff
>
>
>
> On 12/1/09 6:17 PM, "Bogdan-Andrei Iancu" <bogdan at voice-system.ro> wrote:
>
>   
>> Alex, Jeff,
>>
>> try the attached patch - it should provide more info about the failing
>> FROM parsing.
>>
>> Regards,
>> Bogdan
>>
>> Alex Massover wrote:
>>     
>>> Hi Bogdan,
>>>
>>> We experience the same thing under the same conditions (big amount of traffic
>>> and rare errors):
>>>
>>> Oct 27 06:18:05 ser10 /usr/sbin/opensips[2802]: ERROR:dialog:pre_match_parse:
>>> failed to get From header
>>> Oct 27 06:18:05 ser10 /usr/sbin/opensips[2802]: ERROR:uac:restore_from: new
>>> URI shorter than old URI
>>> Oct 27 06:18:09 ser10 /usr/sbin/opensips[2854]: ERROR:dialog:pre_match_parse:
>>> failed to get From header
>>> Oct 27 06:18:09 ser10 /usr/sbin/opensips[2854]: ERROR:uac:restore_from: new
>>> URI shorter than old URI
>>>
>>>
>>> I think it's good idea to include at least Call-ID in error messages in
>>> general.
>>>
>>> Currently errors format is OpenSIPS suitable for the developer that makes a
>>> single call and wants to debug it.
>>> But is not so friendly for the production environment with big amount of
>>> traffic. Although I have all SIP traces it's impossible to find that specific
>>> call without any reference.
>>>
>>> --
>>> Best Regards,
>>> Alex Massover
>>> VoIP R&D TL
>>> Jajah Inc.
>>>
>>>   
>>>       
>>>> -----Original Message-----
>>>> From: users-bounces at lists.opensips.org [mailto:users-
>>>> bounces at lists.opensips.org] On Behalf Of Bogdan-Andrei Iancu
>>>> Sent: Tuesday, November 24, 2009 8:35 AM
>>>> To: OpenSIPS users mailling list
>>>> Subject: Re: [OpenSIPS-Users] dialog - failed to get From header
>>>>
>>>> Hi Jeff,
>>>>
>>>> Do you think it will help if I send you a small patch to explicitly log
>>>> the error case and the FROM header?
>>>>
>>>> Regards,
>>>> Bogdan
>>>>
>>>> Jeff Pyle wrote:
>>>>     
>>>>         
>>>>> Hi Bogdan,
>>>>>
>>>>> There were no previous errors.  So I can only conclude it's the
>>>>>       
>>>>>           
>>>> second.
>>>>     
>>>>         
>>>>> Unfortunately I have a substantial amount of traffic flowing through
>>>>>       
>>>>>           
>>>> this
>>>>     
>>>>         
>>>>> proxy and this error pops up so infrequently I don't have a trace to
>>>>> reference.
>>>>>
>>>>>
>>>>>
>>>>> - Jeff
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On 11/23/09 4:23 PM, "Bogdan-Andrei Iancu" <bogdan at voice-system.ro>
>>>>>       
>>>>>           
>>>> wrote:
>>>>     
>>>>         
>>>>>       
>>>>>           
>>>>>> Hi Jeff,
>>>>>>
>>>>>> This error is generated in two cases:
>>>>>>     1) FROM hdr failed - you should see some previous related errors
>>>>>>
>>>>>>     2) there is no TAG param for the FROM hdr
>>>>>>
>>>>>> I guess it is the second .... Could you confirm?
>>>>>>
>>>>>> Regards,
>>>>>> Bogdan
>>>>>>
>>>>>> Jeff Pyle wrote:
>>>>>>
>>>>>>         
>>>>>>             
>>>>>>> Hello,
>>>>>>>
>>>>>>> I'm seeing messages like this from time to time on Opensips 1.5.3:
>>>>>>>
>>>>>>>   ERROR:dialog:pre_match_parse: failed to get From header
>>>>>>>
>>>>>>> My dialog config is as follows:
>>>>>>>
>>>>>>> modparam("dialog", "dlg_flag", 4)
>>>>>>> modparam("dialog", "dlg_match_mode", 2)
>>>>>>> modparam("dialog", "db_url", [functioning db_uri])
>>>>>>> modparam("dialog", "db_mode", 1)
>>>>>>> modparam("dialog", "profiles_with_value", "inbound; outbound")
>>>>>>>
>>>>>>> This proxy took over for an old Openser 1.3.2 box who didn't
>>>>>>>           
>>>>>>>               
>>>> complain about
>>>>     
>>>>         
>>>>>>> any From header problems.  I can't imagine I'm receiving INVITEs
>>>>>>>           
>>>>>>>               
>>>> without
>>>>     
>>>>         
>>>>>>>> From headers.  Unfortunately it's too sporadic to enable full
>>>>>>>>            
>>>>>>>>                 
>>>> debugging.
>>>>     
>>>>         
>>>>>>> Any thoughts?
>>>>>>>
>>>>>>>
>>>>>>> Thanks,
>>>>>>> Jeff
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>           
>>>>>>>               
>
>
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>   


-- 
Bogdan-Andrei Iancu
www.voice-system.ro

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