> On June 19, 2013, 11:39 p.m., Jarek Cecho wrote:
> > core/src/main/java/org/apache/sqoop/repository/JdbcRepositoryProvider.java, 
> > lines 269-275
> > <https://reviews.apache.org/r/11920/diff/3/?file=308232#file308232line269>
> >
> >     I do not feel comfortable about swallowing IllegalStateException. Do we 
> > have a reason why to catch it? Would it be simpler to let it propagate and 
> > kill the server? Anyway Sqoop server can't work without the repository 
> > right?
> 
> Mengwei Ding wrote:
>     I checked through the source code of PoolableConnectionFactory. In the 
> construction method, it use connectionPool.setFactory() method to connect the 
> connectionFactory and the connection pool. The documentation of this method 
> says that "Trying to change the factory while there are borrowed objects will 
> throw an IllegalStateException.". Actually, this is what I was concerned, 
> because it happens that there might be several connections, which are 
> borrowed from the connection pool, still in use. We could not update the 
> connection pool in this case. So I just catch this IllegalStateException to 
> inform the administrator whether it's ok to apply the new configuration 
> changes to the repository at this time.

Hi Mengwei,
thank you very much for the explanation! It make sense to me now, please 
disregard my concern.

Jarcec


- Jarek


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On June 19, 2013, 1:06 a.m., Mengwei Ding wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/11920/
> -----------------------------------------------------------
> 
> (Updated June 19, 2013, 1:06 a.m.)
> 
> 
> Review request for Sqoop, Jarek Cecho, Hari Shreedharan, and Abraham Elmahrek.
> 
> 
> Description
> -------
> 
> commit 7fc5ae741cbe74e3f9aa50138dadfc3fdb594cbd
> Author: Mengwei Ding <mengwei.d...@cloudera.com>
> Date:   Wed Jun 12 15:47:26 2013 -0700
> 
>     SQOOP-971 Add dynamic reconfiguration ability to RepositoryManager, 
> ConnectorManager and FrameworkManager
> 
> :100644 100644 500189a... 0540f6b... M        
> core/src/main/java/org/apache/sqoop/connector/ConnectorManager.java
> :100644 100644 f59d132... eb7c1dc... M        
> core/src/main/java/org/apache/sqoop/core/CoreError.java
> :000000 100644 0000000... d25ce41... A        
> core/src/main/java/org/apache/sqoop/core/Reconfigurable.java
> :100644 100644 deb24c9... c34ab37... M        
> core/src/main/java/org/apache/sqoop/core/SqoopConfiguration.java
> :100644 100644 145a2c1... bfe0971... M        
> core/src/main/java/org/apache/sqoop/framework/FrameworkManager.java
> :100644 100644 3339c59... 7f47326... M        
> core/src/main/java/org/apache/sqoop/repository/JdbcRepositoryProvider.java
> :100644 100644 955306d... 88667f2... M        
> core/src/main/java/org/apache/sqoop/repository/RepositoryManager.java
> :100644 100644 4ea52e9... 1ec6bdf... M        
> core/src/main/java/org/apache/sqoop/repository/RepositoryProvider.java
> :100644 100644 de9a24b... ae8686b... M        
> server/src/main/java/org/apache/sqoop/handler/SubmissionRequestHandler.java
> 
> 
> This addresses bug SQOOP-971.
>     https://issues.apache.org/jira/browse/SQOOP-971
> 
> 
> Diffs
> -----
> 
>   core/src/main/java/org/apache/sqoop/connector/ConnectorManager.java 500189a 
>   core/src/main/java/org/apache/sqoop/core/CoreError.java f59d132 
>   core/src/main/java/org/apache/sqoop/core/Reconfigurable.java PRE-CREATION 
>   core/src/main/java/org/apache/sqoop/core/SqoopConfiguration.java deb24c9 
>   core/src/main/java/org/apache/sqoop/framework/FrameworkManager.java 145a2c1 
>   core/src/main/java/org/apache/sqoop/repository/JdbcRepositoryProvider.java 
> 3339c59 
>   core/src/main/java/org/apache/sqoop/repository/RepositoryManager.java 
> 955306d 
>   core/src/main/java/org/apache/sqoop/repository/RepositoryProvider.java 
> 4ea52e9 
>   server/src/main/java/org/apache/sqoop/handler/SubmissionRequestHandler.java 
> de9a24b 
> 
> Diff: https://reviews.apache.org/r/11920/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Mengwei Ding
> 
>

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