[erlang-questions] Conflict issue

[Lee Sylvester]

Thanks, Michael, that got rid of the ecouchdb issue, but the pqueue issue will be a lot harder to get rid of.  I'm loathe to rename it for CloudI as it will be a royal pain to keep doing so every time I update the CloudI dependency.

I think I may need to rethink my approach :-)

Regards,
Lee




On 7 May 2013, at 20:40, Michael Truog <mjtruog@REDACTED> wrote:

> Hi Lee,
> 
> Yes, unfortunately this is a common problem with Erlang/OTP development.  The normal way people deal with it, is to manually rename each module within a conflicting application, then rename the application, so that the conflict is avoided.  There is no namespace feature that is part of Erlang/OTP release generation that automatically would resolve conflicting applications that are possibly different versions.  I will look at making the database dependencies optional (probably with manual application start calls) so that future versions of CloudI can avoid the problems within Erlang/OTP release generation.  With the 1.2.1 release of CloudI, I think you will need to remove the ecouchdb dependency from the cloudi_services_databases application (here https://github.com/okeuday/CloudI/blob/master/src/lib/cloudi_services_databases/src/cloudi_services_databases.app.src.in), remove it from the release (here https://github.com/okeuday/CloudI/blob/master/src/reltool.config.in), and
> then reinstall (rm -rf /usr/local/lib/cloudi-1.2.1 and then do the install).
> 
> Best Regards,
> Michael
> 
> On 05/07/2013 11:41 AM, Lee Sylvester wrote:
>> Hi guys,
>> 
>> So, I'm compiling CloudI into my app (safest option), but I'm getting a conflict when I compile.  The app I have using Mochijson2, but so does ecouchdb which is part of CloudI.  Thus, when I compile my app (well, actually, it's when I generate a release), I now get the error "{'EXIT',{{badmatch,{error,"Module mochijson2 potentially included by two different applications: ecouchdb and mochijson2."}},".  I've removed the mochijson2.erl file in the ecouchdb app, hoping that would force the compiler to make ecouchdb use the app version of Mochijson2, but that did nothing.  Is there something I can add to my reltool.config to fix this?  I've Googled, but nothing that made sense came up.
>> 
>> Thanks,
>> Lee
>> 
>> 
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>