[asterisk-bugs] [JIRA] (ASTERISK-25237) stasis_cache.c:845 caching_topic_exec: - misleading ERROR message

[Friendly Automation (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-25237?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Friendly Automation closed ASTERISK-25237.
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    Resolution: Fixed

>  stasis_cache.c:845 caching_topic_exec: - misleading ERROR message
> ------------------------------------------------------------------
>
>                 Key: ASTERISK-25237
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25237
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/Stasis, Documentation
>    Affects Versions: 13.4.0
>            Reporter: Smirnov Aleksey
>            Severity: Minor
>         Attachments: ASTERISK-25237-dant20150716-debug.log
>
>
> If turn off in sip.conf rtcachefriends=yes there are many messages:
> {noformat}
> [Jul  8 18:54:39] ERROR[27925]: stasis_cache.c:845 caching_topic_exec: Attempting to remove an item from the SIP/4304-cached cache that isn't there: ast_endpoint_snapshot_type SIP/4304
> [Jul  8 18:54:39] ERROR[27925]: stasis_cache.c:845 caching_topic_exec: Attempting to remove an item from the SIP/4403-cached cache that isn't there: ast_endpoint_snapshot_type SIP/4403
> [Jul  8 18:54:39] ERROR[27925]: stasis_cache.c:845 caching_topic_exec: Attempting to remove an item from the SIP/4309-cached cache that isn't there: ast_endpoint_snapshot_type SIP/4309
> {noformat}
> If the option is rtcachefriends=yes then realtime info about peers and users is in cache, no errors, but after sip reload command the errors come in the CLI.
> [Edit by Rusty - adding comment from MMichelson below]
> Hi, I think I see what is happening here.
> Internally, when a realtime peer is retrieved, Asterisk creates an {{ast_endpoint}} structure. When that peer is destroyed, the {{ast_endpoint}} is destroyed as well. Part of the destruction of the {{ast_endpoint}} involves clearing the Stasis cache of all information about that endpoint. The problem here is that the act of creating the {{ast_endpoint}} is not enough to actually put any information in the Stasis cache. Instead, something has to happen, such as a state change, in order for the Stasis cache to have any information about that endpoint. When a device registers, chan_sip creates an {{ast_endpoint}} structure, processes the REGISTER, and then destroys the {{ast_endpoint}}. When the {{ast_endpoint}} is destroyed, there is nothing to destroy in the Stasis cache, so an error message is emitted. When you use rtcachefriends, {{ast_endpoint}} structures persist for the lifetime of the module and so you do not see this error message.
> As it stands, this error message is noisy but it should not negatively affect operation. I think the proper fix here is to downgrade that message from an error message to a debug message.



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