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https://issues.apache.org/jira/browse/HDFS-8517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14569848#comment-14569848
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Zhe Zhang commented on HDFS-8517:
---------------------------------
Thanks Jing for the quick update. +1 on the latest patch. I'm working on
HDFS-8453 patch which will need a file length parameter to the new
{{testWritePreadWithDNFailure}}. I'll just add it there.
> Fix a decoding issue in stripped block recovering in client side
> ----------------------------------------------------------------
>
> Key: HDFS-8517
> URL: https://issues.apache.org/jira/browse/HDFS-8517
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Kai Zheng
> Assignee: Kai Zheng
> Attachments: HDFS-8517-HDFS-7285-v1.patch,
> HDFS-8517-HDFS-7285.v2.patch
>
>
> [~jingzhao] reported a decoding issue in HDFS-8481 in the comment copied
> below:
> bq. While debugging HDFS-8319, I just found that in
> TestWriteReadStripedFile#testWritePreadWithDNFailure, if we change the
> startOffsetInFile from cellSize * 5 to 0, the test fails with the following
> error msg:
> {noformat}
> java.lang.AssertionError: Byte at 524288 should be the same expected:<27> but
> was:<-9>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at
> org.apache.hadoop.hdfs.TestWriteReadStripedFile.testWritePreadWithDNFailure(TestWriteReadStripedFile.java:390)
> {noformat}
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