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https://issues.apache.org/jira/browse/TEZ-3937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16481018#comment-16481018
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Jonathan Eagles commented on TEZ-3937:
--------------------------------------
TestAMRecovery test is failing intermittently. [~jlowe], I have updated the
patch to address the concerns listed.
> Empty partition BitSet to byte[] conversion creates one extra byte in
> rounding error
> ------------------------------------------------------------------------------------
>
> Key: TEZ-3937
> URL: https://issues.apache.org/jira/browse/TEZ-3937
> Project: Apache Tez
> Issue Type: Bug
> Reporter: Jonathan Eagles
> Assignee: Jonathan Eagles
> Priority: Major
> Attachments: TEZ-3937.001.patch, TEZ-3937.002.patch
>
>
> Byte array length calculation is defined as (bitset.length / 8) + 1 which has
> off by one errors on byte boundaries. For example, BitSet of length 0 is
> converted to a byte array of length 1. This was introduced as part of TEZ-972
> since BitSet.toByteArray and valueOf were not supported as Tez supported Java
> 6 at the time and API was introduced in Java 7.
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