[rules-users] Use Knowledge Agent

Subhas subhas.sing at gmail.com
Wed Oct 20 16:07:37 EDT 2010


Give some more details like code and jars in build path. I use KnowledgeBase
and working fine for me.

Thanks,
Subhas

On Wed, Oct 20, 2010 at 12:54 PM, java.developer.researcher <
java.developer.researcher at gmail.com> wrote:

>
> Hello,
>
> I am trying of integrate Drools Guvnor with an java web application. I am
> using KnowledgeAgent, but occurs the next exception when execute the code:
>
> java.lang.RuntimeException: java.io.IOException: Server returned HTTP
> response code: 401 for URL:
>
> http://localhost:8383/drools-guvnor/org.drools.guvnor.Guvnor/package/org.examples/org.examples
>        at
>
> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:559)
>        at
>
> org.drools.builder.impl.KnowledgeBuilderImpl.add(KnowledgeBuilderImpl.java:25)
>        at
>
> org.examples.test.TestKnowledgeAgent.getKnowledgeBase(TestKnowledgeAgent.java:63)
>        at
> org.examples.test.TestKnowledgeAgent.main(TestKnowledgeAgent.java:28)
> Caused by: java.io.IOException: Server returned HTTP response code: 401 for
> URL:
>
> http://localhost:8383/drools-guvnor/org.drools.guvnor.Guvnor/package/org.examples/org.examples
>        at
> sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
>        at
> org.drools.io.impl.UrlResource.getInputStream(UrlResource.java:76)
>        at
>
> org.drools.compiler.PackageBuilder.addKnowledgeResource(PackageBuilder.java:512)
>        ... 3 more
> Exception in thread "main" java.lang.NullPointerException
>        at
> org.examples.test.TestKnowledgeAgent.main(TestKnowledgeAgent.java:37)
>
>     What is the cause of this exception? How can I solved it?
>
> Any help is welcome.
>
> Regards,
> --
> View this message in context:
> http://drools-java-rules-engine.46999.n3.nabble.com/Use-Knowledge-Agent-tp1741354p1741354.html
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