[rules-dev] Use Knowledge Agent

[Mark Proctor]

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Mark
On 20/10/2010 18:40, java.developer.researcher 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,