[ovirt-devel] [ENGINE] thoughts about LinqUtils

[Alon Bar-Lev]

----- Original Message -----
> From: "Greg Sheremeta" <gshereme at redhat.com>
> To: "Alon Bar-Lev" <alonbl at redhat.com>
> Cc: "Yair Zaslavsky" <yzaslavs at redhat.com>, "Itamar Heim" <iheim at redhat.com>, devel at ovirt.org
> Sent: Friday, August 22, 2014 11:33:09 PM
> Subject: Re: [ovirt-devel] [ENGINE] thoughts about LinqUtils
> 
> 
> 
> ----- Original Message -----
> > From: "Alon Bar-Lev" <alonbl at redhat.com>
> > To: "Greg Sheremeta" <gshereme at redhat.com>
> > Cc: "Yair Zaslavsky" <yzaslavs at redhat.com>, "Itamar Heim"
> > <iheim at redhat.com>, devel at ovirt.org
> > Sent: Friday, August 22, 2014 4:20:19 PM
> > Subject: Re: [ovirt-devel] [ENGINE] thoughts about LinqUtils
> > 
> > 
> > 
> > ----- Original Message -----
> > > From: "Greg Sheremeta" <gshereme at redhat.com>
> > > To: "Yair Zaslavsky" <yzaslavs at redhat.com>
> > > Cc: "Itamar Heim" <iheim at redhat.com>, devel at ovirt.org, "Alon Bar-Lev"
> > > <alonbl at redhat.com>
> > > Sent: Friday, August 22, 2014 8:39:54 PM
> > > Subject: Re: [ovirt-devel] [ENGINE] thoughts about LinqUtils
> > > 
> > > 
> > > 
> > > ----- Original Message -----
> > > > From: "Yair Zaslavsky" <yzaslavs at redhat.com>
> > > > To: "Itamar Heim" <iheim at redhat.com>
> > > > Cc: devel at ovirt.org
> > > > Sent: Thursday, August 21, 2014 8:39:31 PM
> > > > Subject: Re: [ovirt-devel] [ENGINE] thoughts about LinqUtils
> > > > 
> > > > 
> > > > 
> > > > ----- Original Message -----
> > > > > From: "Itamar Heim" <iheim at redhat.com>
> > > > > To: "Yair Zaslavsky" <yzaslavs at redhat.com>, "Yevgeny Zaspitsky"
> > > > > <yzaspits at redhat.com>
> > > > > Cc: devel at ovirt.org
> > > > > Sent: Friday, August 22, 2014 12:25:52 AM
> > > > > Subject: Re: [ovirt-devel] [ENGINE] thoughts about LinqUtils
> > > > > 
> > > > > On 08/21/2014 09:55 AM, Yair Zaslavsky wrote:
> > > > > >
> > > > > >
> > > > > > ----- Original Message -----
> > > > > >> From: "Yevgeny Zaspitsky" <yzaspits at redhat.com>
> > > > > >> To: "Yair Zaslavsky" <yzaslavs at redhat.com>
> > > > > >> Cc: "Moti Asayag" <masayag at redhat.com>, "Allon Mureinik"
> > > > > >> <amureini at redhat.com>, devel at ovirt.org
> > > > > >> Sent: Thursday, August 21, 2014 4:35:33 PM
> > > > > >> Subject: Re: [ovirt-devel] [ENGINE] thoughts about LinqUtils
> > > > > >>
> > > > > >> On 21/08/14 12:08, Yair Zaslavsky wrote:
> > > > > >>>
> > > > > >>> ----- Original Message -----
> > > > > >>>> From: "Yevgeny Zaspitsky" <yzaspits at redhat.com>
> > > > > >>>> To: "Moti Asayag" <masayag at redhat.com>
> > > > > >>>> Cc: "Yair Zaslavsky" <yzaslavs at redhat.com>, "Allon Mureinik"
> > > > > >>>> <amureini at redhat.com>, devel at ovirt.org
> > > > > >>>> Sent: Thursday, August 21, 2014 11:26:40 AM
> > > > > >>>> Subject: Re: [ovirt-devel] [ENGINE] thoughts about LinqUtils
> > > > > >>>>
> > > > > >>>> It seems like we can try moving to common-collections4. Yum on
> > > > > >>>> my
> > > > > >>>> Fedora20
> > > > > >>>> computer finds apache-commons-collections4 package. Fortunately
> > > > > >>>> somebody
> > > > > >>>> packed the jar into for a rpm for us. :-)
> > > > > >>> What about RHEL 6.5? Can you please run a quick check?
> > > > > >> Unfortunately my happiness was too hasty. Only Fedora people care
> > > > > >> to
> > > > > >> be
> > > > > >> in the forward of the technology... The RHEL ones do not care
> > > > > >> about
> > > > > >> that...
> > > > > >
> > > > > > This is what I remembered. When you responded to the email for the
> > > > > > first
> > > > > > time , I had a strong deja vu that you tried addressing this issue
> > > > > > yourself in the past (commons-collectios4) - due to different
> > > > > > reason.
> > > > > >
> > > > > 
> > > > > is there a specific conflict or problem (or a huge chain of
> > > > > dependencies)
> > > > > ?
> > > > 
> > > > To me it seems the answer to both is no -
> > > > 
> > > > This is the requirement list -
> > > > 
> > > > java >= 1.5
> > > > jpackage-utils
> > > > rpmlib(CompressedFileNames) <= 3.0.4-1
> > > > rpmlib(FileDigests) <= 4.6.0-1
> > > > rpmlib(PayloadFilesHavePrefix) <= 4.0-1
> > > > rpmlib(PayloadIsXz) <= 5.2-1
> > > > 
> > > > 
> > > > Probably a matter of packaging?
> > > 
> > > IIRC, Alon was the one who replied, and the issue was that Jboss included
> > > an
> > > old version (and we don't have classpath isolation, I guess)
> > > 
> > > Greg
> > > 
> > 
> > We would like to avoid maintaining and package components that are not
> > provider either by el6 or jboss distribution.
> > 
> > But based on other threads, it seems that I am the only one who remained
> > trying to push compliance to the old ways, people feel that can maintain
> > anything anywhere with no effort.
> > 
> > Regards,
> > Alon
> > 
> 
> If I may clarify, there would be at least two stipulations for introducing
> collections4.
> 
> 1. someone else packages it and maintains it, available in Fedora and EL,
>    long term. Quality package.

this is what missing, us maintaining a new package just to have more beautiful code is something that can be deferred for now.

> 2. JBoss has proper classloader isolation so that, even though JBoss uses
>    collections3, a webapp can use collections4.

should not be a problem to use both.

> 
> I don't know the answer to either question :)
> 
> Seems like minimal gain to me, though.
> 
> Greg
>