[I] bug: jsonschema.lua:46: attempt to call field 'find' (a nil value) [apisix]

["MarcCain-Scott (via GitHub)" <gi...@apache.org>]

MarcCain-Scott opened a new issue, #11913:
URL: https://github.com/apache/apisix/issues/11913

   ### Current Behavior
   
   Using the Kubernetes Ingress Controller version 1.8.0
   
   After the service has been running for a while (not exactly sure how long it needs to be). Any change or new ApisixRoute resource causes a 500 error and the change is not applied.
   
   Restarting the apisix deployment `kubectl rollout restart deployment apisix` fixes it for a while. The change is applied successfully and everything works for a while until it stops working.
   
   ### Expected Behavior
   
   When an ApisixRoute resource is change, the change should be reflected in the Apisix server without any errors.
   
   ### Error Logs
   
   2025/01/14 15:47:14 [error] 49#49: *25365444 lua entry thread aborted: runtime error: /usr/local/apisix//deps/share/lua/5.1/jsonschema.lua:46: attempt to call field 'find' (a nil value)
   stack traceback:
   coroutine 0:
           /usr/local/apisix//deps/share/lua/5.1/jsonschema.lua: in function 'custom_match_pattern'
           [string "jsonschema:anonymous"]:244: in function 'var_0_15'
           [string "jsonschema:anonymous"]:262: in function 'var_0_14'
           [string "jsonschema:anonymous"]:2832: in function 'check'
           /usr/local/apisix/apisix/admin/routes.lua:36: in function 'checker'
           /usr/local/apisix/apisix/admin/resource.lua:128: in function 'check_conf'
           /usr/local/apisix/apisix/admin/resource.lua:243: in function </usr/local/apisix/apisix/admin/resource.lua:230>
           /usr/local/apisix/apisix/admin/init.lua:233: in function 'handler'
           /usr/local/apisix//deps/share/lua/5.1/resty/radixtree.lua:1013: in function 'dispatch'
           /usr/local/apisix/apisix/init.lua:945: in function 'http_admin'
   
   ### Steps to Reproduce
   
   1. Install the kubernetes apisix/apisix helm chart from repo  https://charts.apiseven.com as in the instruction
   2. Create a ApisixRoute maybe also a ApisixPluginConfig with it, I'm not sure exactly
   3. I don't know if it is wait a while or do a number of changes but eventually a change to the ApisixRoute will cause the above error.
   
   ### Environment
   
   -  apisix helm chart version: apisix-2.10.0
   - APISIX version (run `apisix version`): 3.11.0
   - Operating system (run `uname -a`): Linux apisix-7c877b459c-vglhx 6.1.0-28-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.119-1 (2024-11-22) x86_64 GNU/Linux
   - OpenResty / Nginx version (run `openresty -V` or `nginx -V`): openresty/1.25.3.2
   - etcd version, if relevant (run `curl http://127.0.0.1:9090/v1/server_info`):
   - APISIX Dashboard version, if relevant: NA
   - Plugin runner version, for issues related to plugin runners:
   - LuaRocks version, for installation issues (run `luarocks --version`):
   


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