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https://issues.apache.org/jira/browse/HDFS-11689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15979123#comment-15979123
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Yongjun Zhang commented on HDFS-11689:
--------------------------------------

Andrew explained that @InterfaceAudience.Private is not java build in thus we 
don't have compiler warning.

Uploaded new patch HDFS-11689.001.patch with Deprecated added.

Will commit once the jenkins test is finished.

Thanks.

 

> New exception thrown by (private) DFSClient API isHDFSEncryptionEnabled broke 
> hacky hive code 
> ----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-11689
>                 URL: https://issues.apache.org/jira/browse/HDFS-11689
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.0.0-alpha3, 2.8.1
>            Reporter: Yongjun Zhang
>            Assignee: Yongjun Zhang
>         Attachments: HADOOP-14333.001.patch, HADOOP-14333.002.patch, 
> HADOOP-14333.003.patch, HDFS-11689.001.patch
>
>
> Though Hive should be fixed not to access DFSClient which is private to 
> HADOOP, removing the throws added by HADOOP-14104 is a quicker solution to 
> unblock hive.
> Hive code
> {code}
> private boolean isEncryptionEnabled(DFSClient client, Configuration conf) {
>   try {
>     DFSClient.class.getMethod("isHDFSEncryptionEnabled");
>   } catch (NoSuchMethodException e) {
>     // the method is available since Hadoop-2.7.1
>     // if we run with an older Hadoop, check this ourselves
>     return !conf.getTrimmed(DFSConfigKeys.DFS_ENCRYPTION_KEY_PROVIDER_URI, 
> "").isEmpty();
>   }
>   return client.isHDFSEncryptionEnabled();
> }
> {code}



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