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https://issues.apache.org/jira/browse/TS-4054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15041851#comment-15041851
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ASF GitHub Bot commented on TS-4054:
------------------------------------
Github user SolidWallOfCode commented on the pull request:
https://github.com/apache/trafficserver/pull/363#issuecomment-162034159
So, something like
```
if (blf != NULL) {
if (blf->open_file() != BaseLogFile::LOG_FILE_NO_ERROR) {
// ...
}
diags_log = blf;
// ...
} // end of method
```
> Incorrect ink_assert behavior in Diags.cc
> -----------------------------------------
>
> Key: TS-4054
> URL: https://issues.apache.org/jira/browse/TS-4054
> Project: Traffic Server
> Issue Type: Bug
> Components: Logging
> Reporter: Daniel Xu
> Fix For: 6.1.0
>
>
> In `lib/ts/Diags.cc:setup_diagslog()`, the statement `ink_assert(diags_log ==
> NULL)` is incorrect. It should instead be: `if (blf == NULL) return`
> We should not use an assert here either because when the function is passed a
> NULL `blf`, it means that some test doesn't want to use the diags.log log
> file and we should just not set up diagslog.
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