Hi Dannon,
That update fixed the issue I am having. I am now able to download the test 
file through the link with and without load balancing.

Thanks!

Alex

> On Aug 10, 2016, at 1:01 PM, Dannon Baker <dannon.ba...@gmail.com> wrote:
> 
> Hey, no problem Alex.  I wonder if you might be running into a uwsgi bug I 
> fixed a little while back.  Can you test your modifications to galaxy using a 
> version that includes https://github.com/galaxyproject/galaxy/pull/2630 
> <https://github.com/galaxyproject/galaxy/pull/2630>?
> 
> 
> 
> 
> On Aug 9, 2016 5:02 PM, "Alex Rodriguez" <a.rodriguez1...@gmail.com 
> <mailto:a.rodriguez1...@gmail.com>> wrote:
> Hi Dannon,
> Sorry for the delay in getting back to you. Below are the configuration 
> changes we do to get load balancing set.
> We are installing the following packages on the machine:
> 
> Install packages:
> apt-get install build-essential
> apt-get install python-dev
> pip install uwsgi
> 
> =============================
> 
> In the galaxy.ini file we are making the following modifications:
> 
> config galaxy.ini:
> [uwsgi]
> processes = 8
> stats = 127.0.0.1:9191 <http://127.0.0.1:9191/>
> socket = 127.0.0.1:8080 <http://127.0.0.1:8080/>
> pythonpath = lib
> threads = 4
> logto = /var/log/genomics/galaxy.log
> master = True
> 
> [app:main]
> static_enabled = False
> track_jobs_in_database = True
> 
> =============================
> 
> And for Nginx we make the following modifications:
> 
> In Nginx config, add:
>     uwsgi_read_timeout 180;
> 
>     location / {
>         uwsgi_pass 127.0.0.1:8080 <http://127.0.0.1:8080/>;
>         uwsgi_param UWSGI_SCHEME $scheme;
>         include uwsgi_params;
>     }
> 
> =============================
> 
> Any suggestions will help greatly!
> 
> Thanks,
> 
> Alex
> 
> 
>> On Jul 25, 2016, at 8:35 AM, Dannon Baker <dannon.ba...@gmail.com 
>> <mailto:dannon.ba...@gmail.com>> wrote:
>> 
>> Can you elaborate on the load balancing that you've implemented which seems 
>> to be causing the problem?  This might help figure out what's going on.
>> 
>> On Mon, Jul 25, 2016 at 8:56 AM Alex Rodriguez <a.rodriguez1...@gmail.com 
>> <mailto:a.rodriguez1...@gmail.com>> wrote:
>> Dear Galaxy developers,
>> I am interested in adding a download link to the “Download or Export 
>> Workflow” page of a workflow. I am able to add the link through the files in 
>> the templates directory and correctly add the necessary API functions in the 
>> lib/webapps/galaxy/controllers/workflow.py file.
>> I wanted to ask for some help in figuring out what I might be missing when I 
>> try to download a file when I have load balancing feature activated. The 
>> page looks something like this:
>> Download to File
>> Download workflow to file so that it can be saved or imported into another 
>> Galaxy server. 
>> <https://dev.globusgenomics.org/u/arodri7/w/workflow-1-for-asms-2016-workshop-imported-from-uploaded-file-1/json-download>
>> 
>> New Test Download ( test file)
>> URL for Importing to Another Galaxy
>> This workflow must be accessible before it can be imported into another 
>> Galaxy. <https://dev.globusgenomics.org/workflow/sharing?id=a728237e0d32bb8c>
>> 
>> 
>> As you can see I added the “New test Download” link.
>> I have added and tested the function which gets me the information about the 
>> workflow I want correctly. For now it’s just a “hello world” string.
>> When I don’t use load balancing I get the contents I want downloaded to the 
>> file correctly.
>> However, when I activate load balancing, it only downloads an empty file. I 
>> can print the contents of the test download file to the galaxy log, but as I 
>> said nothing gets printed on the actual file.
>> 
>> Is there some javascript code I also need to add for this functionality that 
>> I might be missing such that the download works with load balancing? As I 
>> mentioned I do get a proper download when load balancing is not activated. 
>> BTW, all other existing download links work properly with both load 
>> balancing and no load balancing.
>> 
>> Thanks,
>> 
>> Alex
>> 
>> 
>> 
>> 
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