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

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(a)gmail.com&gt;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@lists.jboss.orghttps://lists.jboss.org/mailman/listinfo/rules-users _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users