[rules-users] Migration to Drools 6 and Workbench from Guvnor 5.5?

[Michael Anstis]

A more complete stack trace would be useful; or your repository.xml..
either way there's not much to go on at the moment.


On 12 February 2014 17:02, dunnlow <dunnlow at yahoo.com> wrote:

> Getting there.  Not sure what is up with my Guvnor repository, but if I
> export the repo from guvnor, then unzip the xml file and create a new jcr
> repository from it, the migration tool seems to (start to) work on that one
> (after I copy the repository.xml into the repository directory).
>
> The modules and categories are migrated successfully.  The first few assets
> work (they are images) but then I get an exception on migrating the first
> rule:
>
> Asset [CheckCounter] with format [brl] is being migrated...
> org.drools.RuntimeDroolsException: Unable to load dialect
>
> 'org.drools.compiler.rule.builder.dialect.mvel.MVELDialectConfiguration:mvel:org.drools.compiler.rule.builder.dialect.mvel.MVELDialectConfiguration'
> Migration ended with errors. Written into outputVfsRepository ....
> .
> .
> .
> Caused by: java.lang.ClassCastException:
> org.drools.compiler.rule.builder.dialect.mvel.MVELDialectConfiguration
> cannot be cast to org.drools.compiler.DialectConfiguration
>
> SO, seemingly a class loading issue since MVELDialectConfiguration
> implements DialectConfiguration but still working on why.  I printed out
> the
> class loader for both classes in the run method of the Jcr2VfsMigrationApp,
> but they are the same.
>
> Any thoughts?
>
>
>
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