On Thu, Nov 26, 2009 at 4:57 PM, Phil Steitz <phil.ste...@gmail.com> wrote:
> Paul Benedict wrote:
>> Oops.. I meant minor version bumps ;-)
>>
>> On Thu, Nov 26, 2009 at 10:35 AM, Paul Benedict <pbened...@apache.org> 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 <phil.ste...@gmail.com> 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.

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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