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https://issues.apache.org/jira/browse/HADOOP-15700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16604770#comment-16604770
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Da Zhou commented on HADOOP-15700:
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[~tmarquardt]
1) Yes, we can compile and build successfully using JDK 1.7, although
wildfly.openssl targets at JDK 1.8. "UnsupportedClassVersionError" is thrown at
runtime.
2) I don't think we need to back port HADOOP-15669 to branch-2 :
- HADOOP-15669 is used to improve HTTPS performance on JDK 1.8, not JDK 1.7. I
remember [~vishwajeet.dusane] did a detailed research on the performance
comparison.
- The only reason why HADOOP-15700 is introduced is : use wildfly.openssl to
improve HTTPS performance when running on JDK1.8, and catch
UnsupportedClassVersionError when running JDK1.7.
- But for branch-2, which is released on JDK 1.7, HADOOP-15669 introduced
unnecessary dependency which will never be used, and we already know it will
cause UnsupportedClassVersionError during run time.
- And in future development for branch-2, wildfly.openssl might cause some
other issues we can not foresee at this moment.
So I think there is no reason to introduce a dependency/feature which is known
to fail on branch-2, so I would suggest not to back port wildfly.openssl to
branch-2, we only need it to be in branch-3.
> ABFS: Failure in OpenSSLProvider should fall back to JSSE
> ---------------------------------------------------------
>
> Key: HADOOP-15700
> URL: https://issues.apache.org/jira/browse/HADOOP-15700
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/azure
> Reporter: Vishwajeet Dusane
> Assignee: Vishwajeet Dusane
> Priority: Major
> Attachments: HADOOP-15700-HADOOP-15407-01.patch
>
>
> Failure to {{OpenSSLProvider.register()}} should fall back to default JSSE
> initialization. This is needed to support Java 7 in case the HADOOP-15669 is
> back-ported to support Java7.
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