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https://issues.apache.org/jira/browse/TS-2467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13860940#comment-13860940
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James Peach commented on TS-2467:
---------------------------------

AFAICT, it should be ok to always call {{Tcl_FindExecutable(argv[0])}} whether 
readline is available or not.

> traffic_shell doesn't work with tcl 8.6, works with 8.5
> -------------------------------------------------------
>
>                 Key: TS-2467
>                 URL: https://issues.apache.org/jira/browse/TS-2467
>             Project: Traffic Server
>          Issue Type: Bug
>            Reporter: Ben Aitchison
>            Assignee: James Peach
>            Priority: Minor
>              Labels: traffic_shell
>         Attachments: fixtcl86.txt
>
>
> segfault in libtcl8.6.so when calling Tcl_SetMainLoop(Tcl_ReadlineMain); 
> isn't called if readline is disabled.
> If setting Tcl MainLoop should do:
> Tcl_FindExecutable(NULL);
> which fixes TCL 8.6 and should also work with older versions.



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