Phil, if you feel strongly about your concerns of incompatibility,
then I say keep the current groupId for 1.3, and move forward with
1.4/2.0 in the new groupId. This way people who continue to use the
old groupId will never get hit unexpectedly.

Paul

On Thu, Nov 26, 2009 at 11:55 AM, Phil Steitz <[email protected]> wrote:
> Niall Pemberton wrote:
>> On Thu, Nov 26, 2009 at 5:46 PM, Niall Pemberton
>> <[email protected]> wrote:
>>> On Thu, Nov 26, 2009 at 4:57 PM, Phil Steitz <[email protected]> wrote:
>>>> Paul Benedict wrote:
>>>>> Oops.. I meant minor version bumps ;-)
>>>>>
>>>>> On Thu, Nov 26, 2009 at 10:35 AM, Paul Benedict <[email protected]> 
>>>>> wrote:
>>>>>> Another option to consider is splitting the version numbers such as:
>>>>>>
>>>>>> JDBC3 --> org.commons.apache.commons-dbcp-1.3.0
>>>>>> JDBC4 --> org.commons.apache.commons-dbcp-1.4.0
>>>>>>
>>>>>> Unless you have expectations to continue supporting JDBC3 in the next
>>>>>> major release, I would seriously suggest a version bump. The typical
>>>>>> use case of major version bumps are incompatibilities.
>>>>>>
>>>>>> PS: You could also try splitting 1.3.0 / 1.3.5, but you would have to
>>>>>> bring in a 4 digit for patch releases -- to avoid 5 1.3.0 patches
>>>>>> incrementing to 1.3.5.
>>>> Thanks, Paul.  That is an interesting idea.  Are you recommending
>>>> that we change the groupId for both versions?  If not, we could end
>>>> up with unintentional "latest version" upgrades causing problems.
>>>> The numbering could also be a little misleading.
>>>>
>>>> What negatives do you see in
>>>>
>>>> org.apache.commons:dbcp:1.3
>>>> commons-dbcp:commons-dbcp:1.3
>>>>
>>>> We have not decided yet on whether we will maintain jdbc 3 support
>>>> in 2.0, though that is doubtful.
>>>>
>>>> One other thing to keep in mind is that there will almost certainly
>>>> be 1.3.x patch releases to follow for both jdbc3 and jdbc4
>>>>
>>>> Phil
>>>>>> Paul
>>>>>>
>>>>>> On Thu, Nov 26, 2009 at 10:12 AM, Phil Steitz <[email protected]> 
>>>>>> wrote:
>>>>>>> Jörg Schaible wrote:
>>>>>>>> Hi Phil,
>>>>>>>>
>>>>>>>> Phil Steitz wrote at Donnerstag, 26. November 2009 15:20:
>>>>>>>>
>>>>>>>>> Jörg Schaible wrote:
>>>>>>>> [snip]
>>>>>>>>
>>>>>>>>>> OK, but then we should really think about "drop-in replacement" or 
>>>>>>>>>> not.
>>>>>>>>>> Basically we say that dbcp 1.3 with JDBC4 will not be backward
>>>>>>>>>> compatible. Then why don't we use the new artifactId for this and 
>>>>>>>>>> allow
>>>>>>>>>> 1.3 with JDBC3 to be a real drop-in replacement? If somebody works 
>>>>>>>>>> with
>>>>>>>>>> ranges, he might get the newer dbcp anyway and wondering about the
>>>>>>>>>> incompatibility later.
>>>>>>>>>>
>>>>>>>>>> Therefore we might better do:
>>>>>>>>>>
>>>>>>>>>> org.apache.commons:commons-dbcp4:1.3
>>>>>>>>>> commons-dbcp:commons-dbcp:1.3
>>>>>>>>> Thanks Jorg and Grzegorz.  Really appreciate the feedback. It is
>>>>>>>>> important that we get this right, minimizing confusion / bad impact
>>>>>>>>> to maven users and making upgrades both safe and as easy as
>>>>>>>>> possible. I was thinking the same way as you, Jörg, on the groupId
>>>>>>>>> change for the jdbc4 version.
>>>>>>>> Note, that I also changed the artifactId "dbcp vs. dbcp4" ;-)
>>>>>>>>
>>>>>>>> However, thinking about it, I am not sure if this is necessary and we 
>>>>>>>> can
>>>>>>>> really keep the artifactId (your first plan). If somebody uses both
>>>>>>>> artifacts (by transitive deps), his project is broken anyway. We 
>>>>>>>> simply have
>>>>>>>> to point out in the website and README, that there are really two 
>>>>>>>> different
>>>>>>>> commons-dbcp-1.3.jar files. Or is it too much confusion?
>>>>>>> That worries ma a little bit, more for Ant than Maven users.
>>>>>>> Incompatible jars with the same name in the wild is asking for
>>>>>>> trouble (well, like the old days ;).
>>>>>>>
>>>>>>> Another option, given that we don't have to mess with relocation
>>>>>>> poms, is just to use org.apache.commons:dbcp:1.3 for the jdbc4 version.
>>> I'm starting to think it would be better to release two versions
>>>  - DBCP 1.3 - compatible with JDBC3 and JDK 1.4
>>>  - DBCP 1.4 - compatible with JDBC4 and JDK 1.6
>>>
>>> Use the same source, just change the version number, target JDK and
>>> comment/uncomment the JDBC_4 markers.
>>>
>>> Wouldn't this be easier in the end? When you're ready to release DBCP
>>> 1.4, then create a branch, run an ant task to comment the JDBC4 stuff,
>>> change the version & JDK target.
>
> You mean 1.3 above, right?
>>
>> P.S. I'm will to put the time in to do at least one of these releases
>> - e.g. if you do DBCP 1.4, then I'll branch and create the equivalent
>> DBCP 1.3 release
>
> So I guess we're back to where I started ;)
>
> Do we change the groupId for 1.4?  I am a little worried about
> unintentional incompatible updates, otherwise.  Also, I assume we do
> two release votes and two full distros, correct?
>
> Thanks for the offer to help!
>
> Phil
>
>
>
>
>>
>>> Niall
>>>
>>>
>>>>>>> Phil
>>>>>>>
>>>>>>>
>>>>>>>>> I see this as killing two birds with
>>>>>>>>> one stone - getting us to the maven standard groupId moving forward
>>>>>>>>> and eliminating or at least making less likely the chance of users
>>>>>>>>> blowing up due to unintentional incompatible upgrades.
>>>>>>>> Yes. And we can avoid the tedious relocation POMs, because it is no
>>>>>>>> relocation.
>>>>>>>>
>>>>>>>>> Regarding Tomcat, Mark or someone else can chime in to confirm, but
>>>>>>>>> my understanding is that tomcat builds and repackages dbcp from
>>>>>>>>> source using Ant and as long as we keep trunk sources as they are,
>>>>>>>>> tomcat will be able to build all versions.
>>>>>>>> - Jörg
>>>>>>>>
>>>>>>>>
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