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Thanks for the patch! This will be a really a usefull feature!

I did not have time to take a closer look on it.
What I have seen is nice, there is some nits, and questions (probably some of 
them is invalid - not finalized yet). Will have more time next week.


beeline/src/java/org/apache/hive/beeline/BeeLine.java (line 934)
<https://reviews.apache.org/r/51593/#comment214918>

    nit: missing space if (



beeline/src/java/org/apache/hive/beeline/BeeLine.java (line 941)
<https://reviews.apache.org/r/51593/#comment214917>

    What happens if there is not hive-site.xml on the classpath?



beeline/src/java/org/apache/hive/beeline/hs2connection/HS2ConnectionFileUtils.java
 (line 34)
<https://reviews.apache.org/r/51593/#comment214919>

    Should not we use constants here?



beeline/src/java/org/apache/hive/beeline/hs2connection/HiveSiteHS2ConnectionFileParser.java
 (line 42)
<https://reviews.apache.org/r/51593/#comment214920>

    Should not this be static?



beeline/src/java/org/apache/hive/beeline/hs2connection/HiveSiteHS2ConnectionFileParser.java
 (line 57)
<https://reviews.apache.org/r/51593/#comment214921>

    It this is public, do we need the VisibleForTesting annotation?


Thanks,
Peter

- Peter Vary


On Sept. 2, 2016, 6:30 a.m., Vihang Karajgaonkar wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/51593/
> -----------------------------------------------------------
> 
> (Updated Sept. 2, 2016, 6:30 a.m.)
> 
> 
> Review request for hive, Mohit Sabharwal, Sergio Pena, and Szehon Ho.
> 
> 
> Bugs: HIVE-14063
>     https://issues.apache.org/jira/browse/HIVE-14063
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> This change adds a new optional configuration file for Beeline. If this file 
> is present at predefined locations, Beeline will attempt to create the 
> connection url using the hive-site.xml found in classpath and another 
> user-specific configuration file. Beeline then connects automatically using 
> the url generated based on these configuration files. The main objective of 
> the change is to provide user another way to connect to the HiveServer2 
> without providing the connection url everytime. The configuration file uses 
> hadoop xml format so that we can support encryption/obfuscation using hadoop 
> credential manager API in the future.
> 
> Properties in the user-specific configuration file override the properties 
> derived from hive-site.xml.
> 
> Tested using newly added unit tests and itests in various Hiveserver2 
> configurations.
> 
> 
> Diffs
> -----
> 
>   beeline/src/java/org/apache/hive/beeline/BeeLine.java 
> 8e65e3987398531cce5c65c383762cf49a52c578 
>   beeline/src/java/org/apache/hive/beeline/Commands.java 
> 2f3ec134098dfa3767bab9545438d1f38f11697c 
>   
> beeline/src/java/org/apache/hive/beeline/hs2connection/BeelineHS2ConnectionFileParseException.java
>  PRE-CREATION 
>   
> beeline/src/java/org/apache/hive/beeline/hs2connection/HS2ConnectionFileParser.java
>  PRE-CREATION 
>   
> beeline/src/java/org/apache/hive/beeline/hs2connection/HS2ConnectionFileUtils.java
>  PRE-CREATION 
>   
> beeline/src/java/org/apache/hive/beeline/hs2connection/HiveSiteHS2ConnectionFileParser.java
>  PRE-CREATION 
>   
> beeline/src/java/org/apache/hive/beeline/hs2connection/UserHS2ConnectionFileParser.java
>  PRE-CREATION 
>   
> beeline/src/test/org/apache/hive/beeline/TestUserHS2ConnectionFileParser.java 
> PRE-CREATION 
>   beeline/src/test/resources/hive-site.xml 
> 5f310d68245275ac9dc24df45579784019eea332 
>   beeline/src/test/resources/test-hs2-conn-conf-kerberos-http.xml 
> PRE-CREATION 
>   beeline/src/test/resources/test-hs2-conn-conf-kerberos-nossl.xml 
> PRE-CREATION 
>   beeline/src/test/resources/test-hs2-conn-conf-kerberos-ssl.xml PRE-CREATION 
>   beeline/src/test/resources/test-hs2-connection-conf-list.xml PRE-CREATION 
>   beeline/src/test/resources/test-hs2-connection-config-noauth.xml 
> PRE-CREATION 
>   beeline/src/test/resources/test-hs2-connection-multi-conf-list.xml 
> PRE-CREATION 
>   beeline/src/test/resources/test-hs2-connection-zookeeper-config.xml 
> PRE-CREATION 
>   
> itests/hive-unit/src/test/java/org/apache/hive/beeline/hs2connectionfile/TestBeelineConnectionUsingHiveSite.java
>  PRE-CREATION 
>   
> itests/hive-unit/src/test/java/org/apache/hive/beeline/hs2connectionfile/TestBeelineWithHS2ConnectionFile.java
>  PRE-CREATION 
>   
> itests/hive-unit/src/test/java/org/apache/hive/beeline/hs2connectionfile/TestBeelineWithUserHs2ConnectionFile.java
>  PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/51593/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Vihang Karajgaonkar
> 
>

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