[jira] [Updated] (TS-3676) CONFIG proxy.config.http.no_dns_just_forward_to_parent triggers crash

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-3676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom updated TS-3676:
------------------------------
    Fix Version/s:     (was: 6.2.0)
                   7.0.0

> CONFIG proxy.config.http.no_dns_just_forward_to_parent triggers crash
> ---------------------------------------------------------------------
>
>                 Key: TS-3676
>                 URL: https://issues.apache.org/jira/browse/TS-3676
>             Project: Traffic Server
>          Issue Type: Bug
>          Components: Parent Proxy
>            Reporter: Randall Meyer
>            Assignee: John Rushford
>              Labels: A
>             Fix For: 7.0.0
>
>         Attachments: stacktrace.txt
>
>
> I have a parent/child cluster running without issue. Recently, I added a new map to a unresolvable name on the child host (in my example "resource_host"). I set proxy.config.http.no_dns_just_forward_to_parent to 1 on the child.  This worked fine for some time(many hours), serving up . But after awhile, the parent ATS-process crashes. 
> 3 days later (with crashes happening every evening), I changed the config back to 0 and started using a name resolvable on the child. Since that change, there's been no crashes.
> This was observed on a set of 30 child hosts all dying with the same callstack.
> records.config:
> {noformat}
> CONFIG proxy.config.http.no_dns_just_forward_to_parent INT 1
> CONFIG proxy.config.http.parent_proxy_routing_enable INT 1
> {noformat}
> remap.config:
> {noformat}
> map /resource.json \
>     http://resource_host/mapped/resource.json
> {noformat}
> parent.config
> {noformat}
> dest_domain=resource_host method=get parent="parent_host.domain.com:80" round_robin=consistent_hash go_direct=false
> {noformat}



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