Github user maskit commented on the issue: https://github.com/apache/trafficserver/issues/1481 I'm not 100% sure but it seems https://github.com/apache/trafficserver/commit/dda9df7ca7b886b5fd54d3ff6e9ed4f741948ba3 broke it. I reproduced the issue on master. `LogAccessHttp::marshal_cache_lookup_url_canon` is not called due to a lack of `virtual`, and `LogAccess::marshal_cache_lookup_url_canon` is called instead. I think the two special functions mentioned in the comment at https://github.com/apache/trafficserver/commit/dda9df7ca7b886b5fd54d3ff6e9ed4f741948ba3#diff-d24873824e07e2404c39103d90347585R273 should be `marshal_entry_type ` and `marshal_process_uuid`. `marshal_cache_lookup_url_canon ` was originally declared as a virtual function. https://github.com/apache/trafficserver/commit/719d55b67da2fc80a4ac77860085c4e595d3326c
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