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https://issues.apache.org/jira/browse/MAPREDUCE-7324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17346469#comment-17346469
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Eric Badger commented on MAPREDUCE-7324:
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Ah crap. That's my fault. Sorry about messing up the number ordering :(
> ClientHSSecurityInfo class is in wrong META-INF file
> ----------------------------------------------------
>
> Key: MAPREDUCE-7324
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-7324
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Eric Badger
> Assignee: Eric Badger
> Priority: Major
> Fix For: 3.4.0, 3.1.5, 3.3.1, 2.10.2, 3.2.3
>
> Attachments: MAPREDUCE-7324.001.patch
>
>
> {{ClientHSSecurityInfo}} is located in
> {noformat}
> ./hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/resources/META-INF/services/org.apache.hadoop.security.SecurityInfo
> {noformat}
> But the actual class exists in
> {noformat}
> hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common
> {noformat}
> Because of this issue, there is an ordering dependency between the
> client-jobclient and client-common that can cause failures if the ordering is
> not correct. Namely, if client-common is in the classpath _after_
> client-jobclient, the JVM won't find {{ClientHSSecurityInfo}}
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