Mongo 2.2.0 vs. 2.4.6 problem

[Gustavo Niemeyer]

As I mentioned, the test suite of mgo sets up several replica sets, config
servers, etc. The same code works with both 2.2 and 2.4.  I suggest taking
a look at it.
On Dec 19, 2013 11:44 PM, "Nate Finch" <nate.finch at canonical.com> wrote:

> I'm not sure what the actual issue in Mongo is, but I know this code works
> on 2.2.6 and 2.4.6 and doesn't on 2.2.0.  I'm honestly not really sure how
> to debug Mongo itself.  2.2.0 is sufficiently old that it didn't seem that
> unreasonable to ask people to upgrade to get HA in juju.
>
> If you'd like to give a hand at debugging the issue in Mongo, I wouldn't
> be averse to the help. I was mostly trying to take the expedient way out,
> since I'd spent so much time on the issue as it is.
>
> And what is the actual issue?  2.2 must of course work with replica sets.
> The mgo test suite is able to set it all up automatically, for example.
> On Dec 19, 2013 5:40 PM, "Nate Finch" <nate.finch at canonical.com> wrote:
>
>> BTW, I finally got ahold of some of the mongo people on #mongo, and it
>> looks like it's just a bug in 2.2.0.  They say 2.2.0 is near EOL anyway.  I
>> think we may have to just tell people that if they want mongo in a replica
>> set, they need to be on a version higher than 2.2.0 (notably, I tried 2.2.6
>> and it works just fine).
>>
>>
>> On Thu, Dec 19, 2013 at 1:53 PM, Nate Finch <nate.finch at canonical.com>wrote:
>>
>>> I'm getting a weird failure running some tests to set up mongo in a
>>> replica set from a locally running instance of  Mongo.  The tests pass in
>>> 2.4.6, but fail in 2.2.0.  Mongo output for each is here:
>>> http://pastebin.ubuntu.com/6596052/    The 2.2 instance fails with "all
>>> members and seeds must be reachable to initiate set".  Anyone have any
>>> suggestions for making this work in both 2.2 and 2.4?
>>>
>>> This is a minimal implementation that shows the difference: (works
>>> against mongo 2.4.6, fails against 2.2.0).
>>>
>>> http://pastebin.ubuntu.com/6601155/
>>>
>>> Anyone on this list know Mongo well?  I've lost a lot of time trying to
>>> figure this out.
>>>
>>> -Nate
>>>
>>
>>
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