Hi,

Thanks for the quick response.

Can I just point the URL to my package in the jboss-brms which I need to access instead of specifying each rule?

And if I end up adding a new rule at runtime without modifying an existing rule it should also be detected right?

thank you.
Jill


2010/6/27 Esteban Aliverti <esteban.aliverti@gmail.com>
Hi,
When you execute: 
kagent.applyChangeSet( ResourceFactory.newUrlResource("http://localhost:8280/jboss-brms/org.drools.guvnor.Guvnor/Guvnor.html"));

you need to point to your change-set.xml file and not to guvnor.

Inside you change-set you need to point to each resource you want the agent take care of. In your example the first two resources have the same URL. It doesn't look right.

Best,

2010/6/27 jillika iyer <jillika@gmail.com>
hi guys,

I am trying to upload my rules from jboss-brms to my eclipse in order to run it against the working memory.
The following is my code and change-set.xml file and I am getting the following error stack ( which is a java error but just attaching it for giving more info).


I have started the jboss-server and it is connected correctly.

I am getting a java based error which says that it is unable to parse change-set.xml and unable to connect to the server.

I just want to know if I am not the right path for creating the required change-set.xml file due to which I am getting the java connection error.


I have just specified the url path in my change-set file and the types of files it should be looking out for.

What else do I need to incorporate for it to connect to the server???

Please help me. I am relatively new to Drools.

Code in my Runner class:

KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
        ResourceFactory.getResourceChangeScannerService().start();
        ResourceFactory.getResourceChangeNotifierService().start();
       
        // creating a knowledge agent
        KnowledgeAgentConfiguration aconf = KnowledgeAgentFactory.newKnowledgeAgentConfiguration();

        KnowledgeAgent kagent = KnowledgeAgentFactory.newKnowledgeAgent( "MyAgent", kbase,aconf );
        kagent.applyChangeSet( ResourceFactory.newUrlResource("http://localhost:8280/jboss-brms/org.drools.guvnor.Guvnor/Guvnor.html"));
        StatefulKnowledgeSession ksession = kagent.getKnowledgeBase().newStatefulKnowledgeSession();

  //      StatelessSession workingMemory = ruleBase.newStatelessSession();
        ArrayList<Ip> ipList = new ArrayList<Ip>();

        ksession.setGlobal("ipList", ipList);
        ksession.insert(al);
        ksession.fireAllRules();
        ksession.dispose();



my change-set.xml file:

 <change-set xmlns='http://drools.org/drools-5.0/change-set'
             xmlns:xs='http://www.w3.org/2001/XMLSchema-instance'
             xs:schemaLocation='http://drools.org/drools-5.0/change-set.xsd' >
   <add>
   <!-- Add for specifying URLs-->
       <resource source='http://localhost:8280/jboss-brms' type='DRL' />
       <resource source='http://localhost:8280/jboss-brms' type='DSLR' />
       <resource source='http://localhost:8280/jboss-brmss/sample-dsl.dsl' type='DSL' />";
       <resource source='http://localhost:8280/jboss-brms' type='BRL' />
   </add>
 </change-set>




error stack:

java.lang.RuntimeException: Unable to parse ChangeSet
    at org.drools.agent.impl.KnowledgeAgentImpl.getChangeSet(KnowledgeAgentImpl.java:223)
    at org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:109)
    at com.org.RuleRunner.runStatelessRules(RuleRunner.java:156)
    at com.org.RulesTest.main(RulesTest.java:38)
Caused by: java.net.SocketException: Network is unreachable: connect
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:333)
    at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:195)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:182)
    at java.net.Socket.connect(Socket.java:524)
    at java.net.Socket.connect(Socket.java:474)
    at sun.net.NetworkClient.doConnect(NetworkClient.java:157)
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:388)
    at sun.net.www.http.HttpClient.openServer(HttpClient.java:523)
    at sun.net.www.http.HttpClient.<init>(HttpClient.java:231)
    at sun.net.www.http.HttpClient.New(HttpClient.java:304)
    at sun.net.www.http.HttpClient.New(HttpClient.java:321)
    at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:839)
    at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:791)
    at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:716)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:960)
    at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.setupCurrentEntity(XMLEntityManager.java:973)
    at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startEntity(XMLEntityManager.java:905)
    at com.sun.org.apache.xerces.internal.impl.XMLEntityManager.startDTDEntity(XMLEntityManager.java:872)
    at com.sun.org.apache.xerces.internal.impl.XMLDTDScannerImpl.setInputSource(XMLDTDScannerImpl.java:282)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl$DTDDispatcher.dispatch(XMLDocumentScannerImpl.java:1021)
    at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834)
    at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
    at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
    at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1242)
    at javax.xml.parsers.SAXParser.parse(SAXParser.java:375)
    at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:255)
    at org.drools.xml.ExtensibleXmlParser.read(ExtensibleXmlParser.java:170)
    at org.drools.xml.XmlChangeSetReader.read(XmlChangeSetReader.java:48)
    at org.drools.agent.impl.KnowledgeAgentImpl.getChangeSet(KnowledgeAgentImpl.java:221)
    ... 3 more

Please help me.

Thank you
Jill


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