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https://issues.apache.org/jira/browse/TS-1816?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Susan Hinrichs reassigned TS-1816:
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Assignee: Susan Hinrichs
> active_timeout may lead TS crash
> --------------------------------
>
> Key: TS-1816
> URL: https://issues.apache.org/jira/browse/TS-1816
> Project: Traffic Server
> Issue Type: Bug
> Components: HTTP
> Reporter: weijin
> Assignee: Susan Hinrichs
> Labels: Crash
> Fix For: 5.3.0
>
>
> 1: client request with 'If-Modified-Since'
> 2: ts has no copy in the cache and prepare for cache write
> 3: ts send server without the field 'If-Modified-Since'
> 4: server response hdr is back (200 0K)
> 5: suppose the request`s If-Modified-Since < reponse`s Last-Modified, ts will
> send client 304 back(HttpSM::setup_internal_transfer)
> 6: ts will do the tunnel_handler_cache_fill to write the response to cache
> the is a problem in step 5 and step 6. In step 5, all the event`s associated
> by server_session is also handled by
> HttpSM::state_read_server_response_header rather than the tunnel, which may
> lead to serious problems.
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