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https://issues.apache.org/jira/browse/HIVE-9981?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergio Peña updated HIVE-9981:
------------------------------
Attachment: HIVE-9981.2.patch
Thanks [~thejas]
I did not see that issue. This patch uses a Boolean object instead to keep
track of the encryption support.
> Avoid throwing many exceptions when attempting to create new hdfs encryption
> shim
> ---------------------------------------------------------------------------------
>
> Key: HIVE-9981
> URL: https://issues.apache.org/jira/browse/HIVE-9981
> Project: Hive
> Issue Type: Improvement
> Components: Encryption
> Reporter: Sergio Peña
> Assignee: Sergio Peña
> Attachments: HIVE-9981.1.patch, HIVE-9981.2.patch
>
>
> Hadoop23Shims.createHdfsEncryptionShim() is throwing an exception for verions
> lower than 2.6.0 everytime a query is executed.
> Exceptions are expensive, so rather than throwing them every time, we can use
> this design pattern followed for some other functions in Hadoop23Shims -
> {code}
> protected static final Method accessMethod;
> protected static final Method getPasswordMethod;
> static {
> Method m = null;
> try {
> m = FileSystem.class.getMethod("access", Path.class, FsAction.class);
> } catch (NoSuchMethodException err) {
> // This version of Hadoop does not support FileSystem.access().
> }
> accessMethod = m;
> try {
> m = Configuration.class.getMethod("getPassword", String.class);
> } catch (NoSuchMethodException err) {
> // This version of Hadoop does not support getPassword(), just retrieve
> password from conf.
> m = null;
> }
> getPasswordMethod = m;
> }
> {code}
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