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https://issues.apache.org/jira/browse/HADOOP-18723?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17719460#comment-17719460
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ASF GitHub Bot commented on HADOOP-18723:
-----------------------------------------
ayushtkn commented on code in PR #5603:
URL: https://github.com/apache/hadoop/pull/5603#discussion_r1185336347
##########
hadoop-tools/hadoop-distcp/src/test/java/org/apache/hadoop/tools/mapred/TestCopyCommitter.java:
##########
@@ -569,6 +572,7 @@ private void testCommitWithChecksumMismatch(boolean skipCrc)
fs, new Path(sourceBase + srcFilename), null,
fs, new Path(targetBase + srcFilename),
sourceCurrStatus.getLen()));
+ assertThat(log.getOutput(), containsString("Checksum not equal"));
Review Comment:
wrong import & assertThat.
This import
```
import static org.assertj.core.api.Assertions.assertThat;
```
and it works like this
```
assertThat(log.getOutput()).contains("Checksum not equal");
```
> Add detail logs if distcp checksum mismatch
> -------------------------------------------
>
> Key: HADOOP-18723
> URL: https://issues.apache.org/jira/browse/HADOOP-18723
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Janus Chow
> Assignee: Janus Chow
> Priority: Major
> Labels: pull-request-available
>
> We encountered some errors of mismatch checksum during Distcp jobs. It took
> us some time to figure out that checksum type is different.
> Adding error logs shall help us to figure out such problems faster.
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