[Yanel-dev] Upgrading servlet spec...

[basZero]

Good point. Actually all dependencies of a Tomcat version should not be
configurable in Yanel (or at least stated as comment).
Cheers, Balz


On Wed, Mar 5, 2014 at 9:35 AM, Michael Wechner
<michael.wechner at wyona.com>wrote:

>  yes backwards compatibility is a major criteria for Yanel and we need to
> find a way to stick to it
> as good as possible.
>
> I realize we first have to cleanup Yanel itself regarding the servlet-api
> dependency...At the moment the version is
> set inside
>
> src/build/dependencies.xml
> src/build/pom-webapp.xml
>
> which would actually be sufficient, but it seems that for historical
> reasons it is still used inside various "resources", e.g.
>
>
> src/build/targets/create-new-resource-type/from-scratch-resource-template/src/build/dependencies-with-javax.xml
>
> src/realms/from-scratch-realm-template/res-types/layoutselector/src/build/dependencies.xml
> src/realms/from-scratch-realm-template/src/build/dependencies.xml
> src/realms/welcome-admin/src/build/dependencies.xml
>
> src/realms/welcome-admin/yanel/resources/show-realms/src/build/dependencies.xml
> src/realms/yanel-website/src/build/dependencies.xml
> src/resources/atom/src/build/dependencies.xml
> src/resources/calendar/src/build/dependencies.xml
> src/resources/data-repo-sitetree/src/build/dependencies.xml
> src/resources/davcollection/src/build/dependencies.xml
> src/resources/image/src/build/dependencies.xml
> src/resources/lookup/src/build/dependencies.xml
> src/resources/search/src/build/dependencies.xml
> src/resources/tinymce/src/build/dependencies.xml
> src/resources/xinha/src/build/dependencies.xml
> src/test/build.xml
>
> src/realms/from-scratch-realm-template/res-types/layoutselector/src/build/dependencies.xml
> src/realms/from-scratch-realm-template/src/build/dependencies.xml
> src/realms/welcome-admin/src/build/dependencies.xml
>
> src/realms/welcome-admin/yanel/resources/show-realms/src/build/dependencies.xml
> src/realms/yanel-website/src/build/dependencies.xml
> src/resources/atom/src/build/dependencies.xml
> src/resources/calendar/src/build/dependencies.xml
> src/resources/data-repo-sitetree/src/build/dependencies.xml
> src/resources/davcollection/src/build/dependencies.xml
> src/resources/image/src/build/dependencies.xml
> src/resources/lookup/src/build/dependencies.xml
> src/resources/search/src/build/dependencies.xml
> src/resources/tinymce/src/build/dependencies.xml
> src/resources/xinha/src/build/dependencies.xml
> src/test/build.xml
>
> so we will first cleanup this and then continue to consider how to best
> proceed.
>
> Thanks
>
> Michael
>
>
>
> Am 04.03.14 17:51, schrieb basZero:
>
> Hi,
>
> a great idea.
> What I would never do is the break official dependencies of Tomcat.
> So if you want to use 3.1 servlet spec, you should go with Tomcat 8 (beta).
> If you want to go with 3.0 servlet spec, you should go with tomcat 7.
> See: http://tomcat.apache.org/whichversion.html
>
> What concerns backwards compatibility, I only see a solution if the code
> gets clearly separated.
> I can think of the following approaches:
> - Yanel on Tomcat 7 gets created in a new branch (either the current branch
> "master" gets forked into a branch called "tomcat6" and the new
> tomcat7-version gets commited to master, or you create a new branch called
> "tomcat7")
> - Maybe it would be better to fully create a new github repository for the
> tomcat7 version
>
> This way you can fully program against the new Servlet API (be it 3.1, 3.0
> or the current version in Yanel).
>
> You could also say that new features of Yanel only go into the latest
> version (e.g. tomcat7 branch).
> Customers still being on tomcat6 do not have to pay attention to the switch.
>
> Cheers, Balz
>
>
> On Tue, Mar 4, 2014 at 11:29 AM, Michael Wechner<michael.wechner at wyona.com> <michael.wechner at wyona.com>wrote:
>
>
>  Hi
>
> I would like to upgrade the servlet spec of Yanel, because Yanel is
> currently using servlet spec 2.3, whereas the most recent version of the
> servlet spec is now 3.1
>
> This would allow us to make use of new interfaces like for example
>
> http://docs.oracle.com/javaee/6/api/javax/servlet/http/HttpServletResponse.html#getStatus%28%29
>
> The problem is that I guess many people are using for example older
> Tomcat versions, which do not support the newer servlet spec yet, see
> for example
> http://tomcat.apache.org/whichversion.html
>
> Yanel itself includes Tomcat 7.0.25 and we made good experience with it,
> but of course we cannot expect that everyone is using newer Tomcat
> versions.
>
> WDYT?
>
> Michael
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>
>
>
>
>
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