> On April 12, 2016, 12:46 p.m., Amareshwari Sriramadasu wrote:
> > lens-cli/src/main/java/org/apache/lens/cli/commands/BaseLensCommand.java, 
> > line 127
> > <https://reviews.apache.org/r/45099/diff/1/?file=1308293#file1308293line127>
> >
> >     Hope this is used only in unit tests.  Can we reduce the scope?
> >     
> >     Also, Commands should not take responsibility for closing these clients.
> >     
> >     what happens if we do the following :
> >     qcom.setclient(client1);
> >     qcom.setclient(client2);
> >     
> >     qcom.closeConnection() would only close client2.
> >     
> >     Instead we should leave closing of client1 and client2 to the creaters 
> > of them.

This setter will be invoked when cli is launched(i.e. LensConnectionCommand is 
called). This setter is mostly used in test cases.

I agree with your point, we can revert LENS-853. In that case, users(or tests 
cases) should  exeplicitly close Lens clients instead of closing Lens commands.


- Raju


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On March 21, 2016, 11:47 a.m., Raju Bairishetti wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/45099/
> -----------------------------------------------------------
> 
> (Updated March 21, 2016, 11:47 a.m.)
> 
> 
> Review request for lens, Amareshwari Sriramadasu and Rajat Khandelwal.
> 
> 
> Bugs: lens-991
>     https://issues.apache.org/jira/browse/lens-991
> 
> 
> Repository: lens
> 
> 
> Description
> -------
> 
> Shutdown hook was getting called for each lens **command bean** whenver we do 
> ctrl+c on cli.
> 
> 
> Diffs
> -----
> 
>   lens-cli/src/main/java/org/apache/lens/cli/commands/BaseLensCommand.java 
> be1ca12 
>   src/site/apt/user/client-config.apt 714db18 
> 
> Diff: https://reviews.apache.org/r/45099/diff/
> 
> 
> Testing
> -------
> 
> **Before applying patch:**
> 
> lens-shell>show cubes
> No cube found
> lens-shell>show params
> ...
> lens-shell>Exception in thread "Thread-3" java.lang.IllegalStateException: 
> Unable to close lens connection with params 
> LensConnectionParams{dbName='default', baseUrl='http://0.0.0.0:9999/lensapi', 
> user=anonymous, lensConfs={}, lensVars={}, sessionVars={}}
>       at org.apache.lens.client.LensConnection.close(LensConnection.java:206)
>       at 
> org.apache.lens.client.LensClient.closeConnection(LensClient.java:326)
>       at 
> org.apache.lens.cli.commands.BaseLensCommand.closeClientConnection(BaseLensCommand.java:92)
>       at 
> org.apache.lens.cli.commands.BaseLensCommand$2.run(BaseLensCommand.java:81)
> LZDLocalAdmins-MacBook-Pro-2:client rajubairishetti$
>     
>     
>     
> **After aplying patch:**
> 
> lens-shell>show cubes
> No cube found
> lens-shell>show params
> ...
> lens-shell>LZDLocalAdmins-MacBook-Pro-2:client rajubairishetti$
> 
> 
> Thanks,
> 
> Raju Bairishetti
> 
>

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