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https://issues.apache.org/jira/browse/HTRACE-283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14975060#comment-14975060
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Colin Patrick McCabe commented on HTRACE-283:
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Cool. I didn't realize that {{sync.WaitGroup}} existed. This looks like a
better way to do things than creating an extra channel. +1.
> Heartbeater should wait for goroutine to finish on close
> --------------------------------------------------------
>
> Key: HTRACE-283
> URL: https://issues.apache.org/jira/browse/HTRACE-283
> Project: HTrace
> Issue Type: Bug
> Components: aced, htraced
> Affects Versions: 4.1
> Reporter: Masatake Iwasaki
> Assignee: Masatake Iwasaki
> Attachments: HTRACE-283.001.patch
>
>
> Accessing already closed logger caused runtime error while finishing htraced
> datastore.
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