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https://issues.apache.org/jira/browse/HBASE-27360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HBASE-27360 started by Duo Zhang.
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> The trace related assertion is flaky for async client tests
> -----------------------------------------------------------
>
> Key: HBASE-27360
> URL: https://issues.apache.org/jira/browse/HBASE-27360
> Project: HBase
> Issue Type: Bug
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
>
> https://ci-hbase.apache.org/job/HBase-Flaky-Tests/job/master/4167/testReport/junit/org.apache.hadoop.hbase.client/TestAsyncTableScanner/testScanWrongColumnFamily_0__table_raw__scan_normal_/
> The failure message is kinda unreadable... I guess the problem is we do not
> wait enough time as the completion of the span can be executed concurrently
> with normal scan operation.
> And also I saw this in the test code
> {code}
> // RawAsyncTableImpl never invokes the callback to `onScanMetricsCreated`
> -- bug?
> {code}
> This is not a bug as you need to manually enable scan metrics by calling
> Scan.setScanMetricsEnabled(true).
> Let me also fix this.
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