[wildfly-dev] Swarm "Could not find or load main class"

Ken Finnigan ken at kenfinnigan.me
Wed May 6 11:29:32 EDT 2015


Markus,

There are some issues with WildFly Swarm on Windows at the moment.

I'm currently working my way through resolving them.

Ken


On Wed, May 6, 2015 at 9:24 AM, Bob McWhirter <bmcwhirt at redhat.com> wrote:

> Plugin seems to be constructing the jar with backwards slashes?
>
> org\jboss\modules\Util.class
>
>         -Bob
>
>
> > On May 6, 2015, at 9:22 AM, Markus Eisele <myfear at web.de> wrote:
> >
> > Here it is:
> >
> >
> https://www.dropbox.com/s/9n57o55gqvt0u21/swarm-sample-1.0-SNAPSHOT-swarm.jar?dl=0
> >
> > Thanks for looking into it!
> >
> > Cheers,
> > Markus
> >
> > On 6 May 2015 at 14:51, Ken Finnigan <ken at kenfinnigan.me> wrote:
> >> Can you upload the generated jar somewhere?
> >>
> >> Then I could take a closer look
> >>
> >> Thanks
> >> Ken
> >>
> >> On Wed, May 6, 2015 at 8:45 AM, Markus Eisele <myfear at web.de> wrote:
> >>>
> >>> Hi,
> >>>
> >>> The output doesn't contain a single org.jboss class being loaded. Also
> it
> >>> does not contain the jar itself.
> >>> So,  technically speaking this can't work. But why? The command isn't
> >>> exactly complicated.
> >>>
> >>> Any further ideas?
> >>> Thanks,
> >>> Markus
> >>>
> >>>> On May 6, 2015 2:12 PM, "Jaikiran Pai" <jai.forums2013 at gmail.com>
> wrote:
> >>>>>
> >>>>> A quick debugging option is to try:
> >>>>>
> >>>>> java -verbose:class -jar swarm-sample-1.0-SNAPSHOT-swarm.jar
> >>>>>
> >>>>> That will dump out some information of where the classes are being
> >>>>> loaded from. It might give a hint on what's going on. You might want
> to
> >>>>> redirect the output to a file since with that -verbose:class option,
> the
> >>>>> output can potentially be huge.
> >>>>>
> >>>>> -Jaikiran
> >>>>> On Wednesday 06 May 2015 04:22 PM, Markus Eisele wrote:
> >>>>>>
> >>>>>> It is around 30 Meg and does contain the class. Indeed.
> >>>>>> I have a pretty straight forward JDK setup and tried to run with
> both
> >>>>>> 1.7.0_65 and 1.8.0_20.
> >>>>>> Only difference is that I run on Windows?
> >>>>>> Is the maven version an issue? I'm running 3.3.3?
> >>>>>>
> >>>>>>
> >>>>>> Anything I can do to provide more debug information?
> >>>>>>
> >>>>>> Cheers,
> >>>>>>
> >>>>>> Markus
> >>>>>>
> >>>>>>
> >>>>>> On May 6, 2015 12:40 PM, "Ken Finnigan" <ken at kenfinnigan.me> wrote:
> >>>>>>>
> >>>>>>> Hi Markus,
> >>>>>>>
> >>>>>>> That's weird, as I was able to clone your repo, build it, and run
> it
> >>>>>>> without any problems.
> >>>>>>>
> >>>>>>> Is your fat jar around 30.1Mb in size? Does
> >>>>>>> org.wildfly.swarm.bootstrap.Main exist in that jar?
> >>>>>>>
> >>>>>>> Thanks
> >>>>>>> Ken
> >>>>>>>
> >>>>>>>
> >>>>>>> On Wed, May 6, 2015 at 6:17 AM, Markus Eisele <myfear at web.de>
> wrote:
> >>>>>>>>
> >>>>>>>> Hi,
> >>>>>>>>
> >>>>>>>> I've been playing around with swarm today and here is the source:
> >>>>>>>> https://github.com/myfear/WildFlySwarmDemo
> >>>>>>>>
> >>>>>>>> Very simple project. JAX-RS and nothing else.
> >>>>>>>>
> >>>>>>>> mvn package produces the jar. Execution results in:
> >>>>>>>>
> >>>>>>>> java -jar swarm-sample-1.0-SNAPSHOT-swarm.jar
> >>>>>>>> Error: Could not find or load main class
> >>>>>>>> org.wildfly.swarm.bootstrap.Main
> >>>>>>>>
> >>>>>>>> Any help appreciated!
> >>>>>>>>
> >>>>>>>> Thanks,
> >>>>>>>> M
> >>>>>>>>
> >>>>>>>> ____________
> >>>>>>>> @myfear
> >>>>>>>> http://blog.eisele.net
> >>>>>>>> _______________________________________________
> >>>>>>>> wildfly-dev mailing list
> >>>>>>>> wildfly-dev at lists.jboss.org
> >>>>>>>> https://lists.jboss.org/mailman/listinfo/wildfly-dev
> >>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>>
> >>>>>> _______________________________________________
> >>>>>> wildfly-dev mailing list
> >>>>>> wildfly-dev at lists.jboss.org
> >>>>>> https://lists.jboss.org/mailman/listinfo/wildfly-dev
> >>>>>
> >>>>>
> >>>>>
> >>>>> _______________________________________________
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> >>>>> https://lists.jboss.org/mailman/listinfo/wildfly-dev
> >>>
> >>>
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> >>
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