perfsonar development work

[Hans Trompert <>]

Hi Roland,

On Wed, 12 Nov 2008, Roland Karch wrote:

> Hans Trompert schrieb:
> > I was trying to install the ps-mdm-flowsa-ma from downloads.perfsonar.eu 
> > with yum on a cleanly installed Fedora 9 system with the perfSONAR 
> > repository enabled, and noticed the following unresolved dependency:
> > 
> > java-1.6.0-sun-compat-1.6.0.06-1jpp.i586 from perfsonar-i386 has 
> > depsolving problems
> >   --> Missing Dependency: jdk = 2000:1.6.0_06-fcs is needed by package 
> > java-1.6.0-sun-compat-1.6.0.06-1jpp.i586 (perfsonar-i386)
> > 
> > But when I disable the perfSONAR repository and do a yum localinstall of 
> > the ps-mdm-flowsa-ma and nfdump rpm's after downloading them first, yum 
> > decides to use java-1.5.0-gcj that comes with Fedora 9, and everything 
> > works just fine.
> > 
> > I know that Fedora is one of the unsupported platforms, and on a RHEL 5.2 
> > system everything just seem to work as expected, when I try to install 
> > ps-mdm-flowsa-ma with the perfSONAR repository enabled yum decides to use 
> > the java-1.4.2-gcj-compat that comes with RHEL 5.2.
> > 
> > I am not an dependencies specialist, but is there an easy way to fix the 
> > dependencies so a repository install will work again on Fedora?
> 
> Yum priorities might be the best solution for your problem. Assign a
> lower priority to the perfSONAR repository than the base Fedora
> repository. That way, packages in the perfSONAR repo should no longer
> override packages in the Fedora repo. I'm assuming this is your problem.

I was not aware of the existence of yum priorities. Reading the manual 
page on yum.conf I found a way to specify the cost (is this what you 
mean?). But both setting the cost higher (1500) and lower (500) than the 
default (1000) have no effect whatsoever.

Cheers,
        HansT.