[rules-users] Re: Problems in Guvnor 5.0M4 with imported 4.0.7 repositories that use ruleflows

[Shahad Ahmed]

Thanks Mark, I think the patch the Kris applied was just to the compiler to
allow version 4 rfm ruleflows to be compiled
(JBRULES-1797)<https://jira.jboss.org/jira/browse/JBRULES-1797>.
The patch I've submitted also allows version 4 ruleflows to be viewed and
edited in Eclipse and used in the Guvnor as well.
Regards
Shahad


On Wed, Jan 28, 2009 at 2:21 PM, Mark Proctor <mproctor at codehaus.org> wrote:


> I know kris added a patch to load v4 rulelfows, but I guess guvnor isn't
> aware of the properties switch that needs to be applied. We'll review your
> patch asap.
>
> Thanks
>
> Mark
>
>
>  Regards
> Shahad
>
>
> On Mon, Jan 12, 2009 at 11:10 AM, Shahad Ahmed <shahad.ahmed2 at gmail.com>wrote:
>
>> Does anyone know if there is a way of specifying that the Guvnor 5.0M4
>> should migrate ruleflows from version 4.0 to 5.0 when importing a version
>> 4.0 repository into the Guvnor, or is this bug/oversight in the Guvnor?
>>
>>  I'm trying to import a drools 4.0.7 repository into Guvnor 5.0M4 – the
>> repository was originally exported out of a drools 4.0.7 BRMS (i.e. in XML
>> format). However, when I try and build a package containing a ruleflow in
>> the imported repository it fails, but the same repository builds under the
>> drools 4.0.7 BRMS. Packages without ruleflows build okay, so it looks as if
>> the failure has to do with the ruleflows in packages.
>>
>>  I know that drools 4 ruleflows are not compatible with drools 5
>> ruleflows, and that there's a drools property that allows the compiler to
>> automatically migrate ruleflows from 4.0 to 5.0. I had assumed the Guvnor
>> applies this migration as I see the following in the log when I import the
>> repository, but a quick look at code in the drools trunk suggests that this
>> migration simply changes version numbers in the repository, but does not
>> migrate the ruleflows:
>>
>>  17:27:59,931 INFO  [STDOUT] AUTO MIGRATION: Performing drools.package
>> migration.
>> 17:28:00,369 INFO  [STDOUT] AUTO MIGRATION: drools.package migration
>> completed.
>>
>>  The reason I suspect it's something to do with ruleflows is that when I
>> try and do anything with the ruleflow assets in the Guvnor, I see the
>> following error:
>>
>>  17:30:40,634 INFO  [STDOUT] (null: 1, 59): cvc-elt.1: Cannot find the
>> declaratio
>> n of element 'org.drools.ruleflow.core.impl.RuleFlowProcessImpl'.
>>
>>  When I try and build a package with a ruleflow I see the following error
>> in the log:
>>
>>  Caused by: java.lang.NullPointerException
>>         at
>> org.drools.compiler.ProcessBuilder.buildProcess(ProcessBuilder.java:9
>> 9)
>>         at
>> org.drools.compiler.ProcessBuilder.addProcessFromFile(ProcessBuilder.
>> java:228)
>>         at
>> org.drools.compiler.PackageBuilder.addProcessFromXml(PackageBuilder.j
>> ava:435)
>>         at
>> org.drools.compiler.PackageBuilder.addRuleFlow(PackageBuilder.java:40
>> 7)
>>         at
>> org.drools.guvnor.server.contenthandler.RuleFlowHandler.compile(RuleF
>> lowHandler.java:108)
>>         at
>> org.drools.guvnor.server.builder.ContentPackageAssembler.buildAsset(C
>> ontentPackageAssembler.java:167)
>>         at
>> org.drools.guvnor.server.builder.ContentPackageAssembler.buildPackage
>> (ContentPackageAssembler.java:154)
>>         at
>> org.drools.guvnor.server.builder.ContentPackageAssembler.<init>(Conte
>> ntPackageAssembler.java:103)
>>         at
>> org.drools.guvnor.server.builder.ContentPackageAssembler.<init>(Conte
>> ntPackageAssembler.java:116)
>>         at
>> org.drools.guvnor.server.ServiceImplementation.buildPackage(ServiceIm
>> plementation.java:1370)
>>         at
>> org.drools.guvnor.server.ServiceImplementation.buildPackage(ServiceIm
>> plementation.java:1354)
>>
>>  Regards
>> Shahad
>>
>>
>  ------------------------------
> _______________________________________________
> rules-users mailing listrules-users at lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20090128/bb09658e/attachment.html