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https://issues.apache.org/jira/browse/HADOOP-19881?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18078763#comment-18078763
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ASF GitHub Bot commented on HADOOP-19881:
-----------------------------------------
pan3793 opened a new pull request, #8472:
URL: https://github.com/apache/hadoop/pull/8472
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### Description of PR
1. `BindException` was not caught — main cause of the failure shown in the
log.
Netty's `ChannelFuture#sync()` uses `PlatformDependent.throwException` to
"sneaky-throw" the original cause. When the OS returns "Address already in
use", the cause is `java.net.BindException` (which extends `IOException`), not
`ChannelException`. The original `catch (InterruptedException |
ChannelException e)` missed it entirely, so the exception propagated out of the
loop and failed the test on the first attempt - exactly matching the stack
trace in the failure log.
```
Error: Tests run: 4, Failures: 0, Errors: 1, Skipped: 0, Time elapsed:
1.224 s <<< FAILURE!
> Fix "port in use" detection in TestFrameDecoder
> -----------------------------------------------
>
> Key: HADOOP-19881
> URL: https://issues.apache.org/jira/browse/HADOOP-19881
> Project: Hadoop Common
> Issue Type: Test
> Reporter: Cheng Pan
> Priority: Major
>
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