2010/5/10 eyal edri <eyal.edri@gmail.com>

I'm still having problem unfortunately.. :(

i get a strange error that i didn't got before turning to maven:

when running:

kbuilder.add(ResourceFactory.newClassPathResource("src/main/rules/sample.drl"), ResourceType.DRL);

this errors occurs:
java.lang.RuntimeException: java.io.FileNotFoundException: 'src/main/rules/sample.drl' cannot be opened because it does not exist

at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:559)

at org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:25)

at com.commtouch.drools.DroolsTest.readKnowledgeBase(DroolsTest.java:42)

at com.commtouch.drools.DroolsTest.main(DroolsTest.java:25)

Caused by: java.io.FileNotFoundException: 'src/main/rules/sample.drl' cannot be opened because it does not exist

at org.drools.io.impl.ClassPathResource.getInputStream(ClassPathResource.java:104)

at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:287)

at org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:488)

... 3 more

i see a difference between the .classpth and .project files in both projects (Drools project vs Maven Project).

could this be the reason?

Eyal.

On Mon, May 10, 2010 at 12:20 PM, eyal edri <eyal.edri@gmail.com> wrote:

OK, the eclipse maven plugin added those deps type as 'pom' instead of 'jar',
so the drools jars weren't included.

fixed that.

thanks.

On Mon, May 10, 2010 at 11:25 AM, eyal edri <eyal.edri@gmail.com> wrote:

OK, Still got problems.

i've created a maven project, and all looks good in compile time (with all the org.drools dep below).

but i think i still missing a 'runtime' dependency, cause when i try to run the Hello World example, i get this error:

[the src line is this:
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();]

org.drools.ProviderInitializationException: Provider org.drools.builder.impl.KnowledgeBuilderProviderImpl could not be set.

at org.drools.builder.KnowledgeBuilderFactory.loadProvider(KnowledgeBuilderFactory.java:111)

at org.drools.builder.KnowledgeBuilderFactory.getKnowledgeBuilderProvider(KnowledgeBuilderFactory.java:101)

at org.drools.builder.KnowledgeBuilderFactory.newKnowledgeBuilder(KnowledgeBuilderFactory.java:29)

at com.commtouch.drools.DroolsTest.readKnowledgeBase(DroolsTest.java:38)

at com.commtouch.drools.DroolsTest.main(DroolsTest.java:24)

Caused by: java.lang.ClassNotFoundException: org.drools.builder.impl.KnowledgeBuilderProviderImpl

at java.net.URLClassLoader$1.run(URLClassLoader.java:202)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:190)

at java.lang.ClassLoader.loadClass(ClassLoader.java:307)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)

at java.lang.ClassLoader.loadClass(ClassLoader.java:248)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:169)

at org.drools.builder.KnowledgeBuilderFactory.loadProvider(KnowledgeBuilderFactory.java:108)

am i missing org.drools.builder? (i didn't see it in the maven repo..)

On Sun, May 9, 2010 at 3:35 PM, Salaboy <salaboy@gmail.com> wrote:

I always prefer to create the maven projects from the scratch. You
only need to add the following deps (groupid and artifactid)

org.drools
drools-api

org.drools
drools-core

org.drools
drools-compiler

You probably need to add the jboss repository as well in order to get
this deps

Repository.jboss.org/maven2

- Ing. Mauricio Salatino -

On May 9, 2010, at 5:01, eyal edri <eyal.edri@gmail.com> wrote:

> Hi,
>
> I've created the HelloWorld drools sample project and i want to turn
> it into a maven project.
>
> i know i can create and empty maven project and copy all sources
> from the drools project to it,
> but how do i handle the dependant jars (drools runtime?)
>
> is there a guide of how to mavenize your drools projects?
>
> --
> Eyal Edri

> _______________________________________________
> rules-users mailing list
> rules-users@lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users
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