[asterisk-dev] Sorcery Cache Error

[Ross Beer]

Hi,
 
I am receiving the below message when using Sorcery cache:
 
[2016-02-25 13:47:02] ERROR[17353]: res_sorcery_memory_cache.c:1559 sorcery_memory_cache_delete: Unable to delete object '<ENDPOINT>;@115bb1375dae1799c68048e7abef7e05' from sorcery cache
 Contact <ENDPOINT>/sip:<ENDPOINT>@<IP Address>:39212;transport=TLS has been deleted
    -- Added contact 'sip:<ENDPOINT>@<IP Address>:39212;transport=TLS' to AOR '<ENDPOINT>' with expiration of 60 seconds
 Contact <ENDPOINT>/sip:<ENDPOINT>@<IP Address>:39212;transport=TLS has been created
 Contact <ENDPOINT>/sip:<ENDPOINT>@<IP Address>:39212;transport=TLS is now Unknown.  RTT: 0.000 msec
 
The device had previously registered and therefore the device should have been in the cache. When this issue occurs it blocks the registration of an endpoint causing it to go offline. I can replicate this issue by pressing 'Re-register' within the Snom interface.
 
Firstly I can't find documentation on 'full_backend_cache' on the Wiki page: https://wiki.asterisk.org/wiki/display/AST/Sorcery+Caching
 
Therefore is full cache setup in the same way as other object settings?
 
[res_pjsip] ; 
auth/cache=memory_cache,object_lifetime_stale=3600,object_lifetime_maximum=28800,expire_on_reload=yes,full_backend_cache=yes
auth=config,pjsip.conf,criteria=type=auth
auth=realtime,ps_auths
 
aor/cache=memory_cache,object_lifetime_stale=3600,object_lifetime_maximum=28800,expire_on_reload=yes,full_backend_cache=yes
aor=config,pjsip.conf,criteria=type=aor
aor=realtime,ps_aors
 
domain_alias/cache=memory_cache,object_lifetime_stale=3600,object_lifetime_maximum=28800,expire_on_reload=yes,full_backend_cache=yes
domain_alias=config,pjsip.conff,criteria=type=domain_alias
domain_alias=realtime,ps_domain_aliases
 
endpoint/cache=memory_cache,object_lifetime_stale=3600,object_lifetime_maximum=28800,expire_on_reload=yes,full_backend_cache=yes
endpoint=config,pjsip.conf,criteria=type=endpoint
endpoint=realtime,ps_endpoints
 
contact/cache=memory_cache,object_lifetime_stale=3600,object_lifetime_maximum=28800,expire_on_reload=yes,full_backend_cache=yes
contact=config,pjsip.conf,criteria=type=contact
contact=realtime,ps_contacts
 
[res_pjsip_endpoint_identifier_ip]
identify/cache=memory_cache,object_lifetime_stale=3600,object_lifetime_maximum=28800,expire_on_reload=yes,full_backend_cache=yes
identify=config,pjsip.conf,criteria=type=identify
identify=realtime,ps_endpoint_id_ips

Looking at the real-time database the ID is present all be it encoded with <ENDPOINT>^3B which is the encoding for a semicolon. Therefore it looks like the cache isn't matching the object correctly or not being inserted in the first place. 
 
I don't believe this relates to the full_backend_cache as this issue is also present on another test box which is using standard cache.
 
Any advice on how to resolve/investigate the issue would be helpful.
 
Kind regards,
 
Ross
 		 	   		  
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