[rules-users] unable to resolve Type Declaration class

[Edson Tirelli]

   Do you have the import for your signature class?

import my.package.Signature

    Edson

2009/11/24 richarda <richard.ambridge at gmail.com>

>
> So, my code is doing this:
>
>  KnowledgeBaseConfiguration conf =
> KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
>            conf.setOption(EventProcessingOption.STREAM);
>            KnowledgeBuilder builder =
> KnowledgeBuilderFactory.newKnowledgeBuilder();
>            try {
>                File f = new File("/tmp/my.pkg");
>                InputStream stream = new FileInputStream(f);
>                if (stream == null) {
>                    jlog.fatal("Unable to find rule pkg");
>                } else {
>                    jlog.info("adding pkg");
>
> builder.add(ResourceFactory.newInputStreamResource(stream),
> ResourceType.PKG);
>                }
>            } catch (Exception e) {
>                e.printStackTrace();
>            }
>            KnowledgeBase kbase =
> KnowledgeBaseFactory.newKnowledgeBase(conf);
>            kbase.addKnowledgePackages(builder.getKnowledgePackages());
>            jlog.info("setup creating knowledge session");
>            ksession = kbase.newStatefulKnowledgeSession();
>            jlog.info(" setup ksession created");
>
>
> The pkg was created from Guvnor.
>
> If in the package declaration area in Guvnor,  (where you put the import
> statements)
> If I put
> declare Signature
>  @role ( event )
> end
>
> then build the package, save it to disk /tmp/my.pkg
> on startup I get:
>
>
> [#|2009-11-24T14:50:38.944+0000|WARNING|sun-appserver2.1|javax.enterprise.system.stream.err|_ThreadID=12;_ThreadName=pool-1-thread-3;_RequestID=7c35064d-757e-4519-b5eb-433db89e168d;|org.drools.RuntimeDroolsException:
> unable to resolve Type Declaration class 'Signature'
>        at
> org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:754)
>        at
>
> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:515)
>        at
>
> org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:25)
>
>
> I need to declare 'Signature' as an 'event'
> Am I doing this wrong?
>
> If I do this all in Eclipse and load the DRL files manually it all works.
> --
> View this message in context:
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>
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>



-- 
 Edson Tirelli
 JBoss Drools Core Development
 JBoss by Red Hat @ www.jboss.com
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