Agreed, changing web.xml is not a blocker for backporting

On Tuesday, March 27, 2018 at 4:54:17 PM UTC+2, Jesse Glick wrote:
>
> On Tue, Mar 27, 2018 at 10:41 AM, Oliver Gondža <[email protected] 
> <javascript:>> wrote: 
> > the possible breakage is limited to the people that 
> > are using custom [web.xml] 
>
> Yes. (Is this even supported?) 
>
> > and only when they use it to pass system properties 
>
> I do not think so—if they use an old `web.xml` with the new 
> `jenkins-core.jar` then it will try to attach `SystemProperties` (the 
> outer class), which is no longer a `ServletListener` so I presume this 
> would fail startup. 
>
> > the people with custom web.xml needs to change it every now and then so 
> the 
> > real question is if asking them to do so in one LTS line is such big 
> deal. 
>
> Otherwise they would just need to change it on upgrade to (e.g.) 
> 2.119.1, so what is the difference? Just something we mention in the 
> upgrade guide. 
>

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