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https://issues.apache.org/jira/browse/HIVE-14380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399853#comment-15399853
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Mithun Radhakrishnan commented on HIVE-14380:
---------------------------------------------
Thanks for reviewing, [~spena]. :] Also, yikes. I'm not sure how 2 JIRAs got
raised. :/
> Queries on tables with remote HDFS paths fail in "encryption" checks.
> ---------------------------------------------------------------------
>
> Key: HIVE-14380
> URL: https://issues.apache.org/jira/browse/HIVE-14380
> Project: Hive
> Issue Type: Bug
> Components: Encryption
> Reporter: Mithun Radhakrishnan
> Assignee: Mithun Radhakrishnan
> Attachments: HIVE-14380.1.patch
>
>
> If a table has table/partition locations set to remote HDFS paths, querying
> them will cause the following IAException:
> {noformat}
> 2016-07-26 01:16:27,471 ERROR parse.CalcitePlanner
> (SemanticAnalyzer.java:getMetaData(1867)) -
> org.apache.hadoop.hive.ql.metadata.HiveException: Unable to determine if
> hdfs://foo.ygrid.yahoo.com:8020/projects/my_db/my_table is encrypted:
> java.lang.IllegalArgumentException: Wrong FS:
> hdfs://foo.ygrid.yahoo.com:8020/projects/my_db/my_table, expected:
> hdfs://bar.ygrid.yahoo.com:8020
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.isPathEncrypted(SemanticAnalyzer.java:2204)
> at
> org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getStrongestEncryptedTablePath(SemanticAnalyzer.java:2274)
> ...
> {noformat}
> This is because of the following code in {{SessionState}}:
> {code:title=SessionState.java|borderStyle=solid}
> public HadoopShims.HdfsEncryptionShim getHdfsEncryptionShim() throws
> HiveException {
> if (hdfsEncryptionShim == null) {
> try {
> FileSystem fs = FileSystem.get(sessionConf);
> if ("hdfs".equals(fs.getUri().getScheme())) {
> hdfsEncryptionShim =
> ShimLoader.getHadoopShims().createHdfsEncryptionShim(fs, sessionConf);
> } else {
> LOG.debug("Could not get hdfsEncryptionShim, it is only applicable
> to hdfs filesystem.");
> }
> } catch (Exception e) {
> throw new HiveException(e);
> }
> }
> return hdfsEncryptionShim;
> }
> {code}
> When the {{FileSystem}} instance is created, using the {{sessionConf}}
> implies that the current HDFS is going to be used. This call should instead
> fetch the {{FileSystem}} instance corresponding to the path being checked.
> A fix is forthcoming...
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