> On Feb. 6, 2015, 6:43 p.m., Jayush Luniya wrote:
> > ambari-common/src/main/python/resource_management/libraries/functions/install_jdbc_driver.py,
> >  line 42
> > <https://reviews.apache.org/r/30702/diff/1/?file=851754#file851754line42>
> >
> >     We should just copy the JDBC driver from the cache path. This ensures 
> > same version of the driver is copied over in the classpath.
> 
> Florian Barca wrote:
>     1. Leaving the driver copied only from the cache would be inconsistent 
> with the JDBC connection test, which downloads the driver from the resources 
> dir. If the user skipped the JDBC connection test (possible, under warning) 
> and we didn't download the driver, the installation will fail.
>     2. (less important, but not negligible) This approach opens the 
> possibility to deploy the driver from a configured URL (same as the JDBC 
> connection test), sparing the server some traffic, and facilitating a 
> potential future upgrade.

3. We may have the JDBC driver installed as a prerequisite, in which case 
downloading it is useless.


- Florian


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On Feb. 6, 2015, 12:03 a.m., Florian Barca wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/30702/
> -----------------------------------------------------------
> 
> (Updated Feb. 6, 2015, 12:03 a.m.)
> 
> 
> Review request for Ambari, Artem Baranchuk, Eugene Chekanskiy, Jayush Luniya, 
> and Mahadev Konar.
> 
> 
> Bugs: AMBARI-9505
>     https://issues.apache.org/jira/browse/AMBARI-9505
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Copying the SQL Server JDBC driver into the hadoop shared lib directory.
> 
> 
> Diffs
> -----
> 
>   
> ambari-common/src/main/python/resource_management/libraries/functions/__init__.py
>  9b32b92cc8845d775c89f1715f4ae8d98c365843 
>   
> ambari-common/src/main/python/resource_management/libraries/functions/install_jdbc_driver.py
>  PRE-CREATION 
>   
> ambari-server/src/main/resources/stacks/HDPWIN/2.1/hooks/after-INSTALL/scripts/hook.py
>  31df28ddb174a689717978de1cb3fce8603cd11b 
> 
> Diff: https://reviews.apache.org/r/30702/diff/
> 
> 
> Testing
> -------
> 
> mvn clean install
> Multi-node deployment on a local VM cluster -> Hive deploys and starts ok
> 
> 
> Thanks,
> 
> Florian Barca
> 
>

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