I suspect that the ksession defined in spring is created BEFORE the agent processes the resource. And even after the agent processes the resource, it will create a new kbase (because you are not using newInstance="false"), so the defined ksession will remain attached to an empty kbase.
I can think in 2 solutions:
   1.- Remove the ksession definition from the spring context file and create a new ksession using the kagent: kagent.newStatelessKnowledgeSession();
   2.- Configure ksession's kagent from spring (this only works for stateless ksessions): <drools:ksession id="ksession" type="stateless" knowledgeAgent="kagent1">

By the way, the subject of this email says you re linking drools-server to Guvnor, but your changeset is not using any Guvnor's URL. Are you manually downloading the changeset.xml and putting it in your classpath?

Best Regards,

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Esteban Aliverti
- Developer @ http://www.plugtree.com
- Blog @ http://ilesteban.wordpress.com


2011/3/15 Sébastien Raickman <sebastien.raickman@gmail.com>
Hi all,

I would like to connect to drools-server with HTTPClient with the following
config: 

<beans xmlns="http://www.springframework.org/schema/beans"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"




      xmlns:drools="http://drools.org/schema/drools-spring"
      xsi:schemaLocation="http://www.springframework.org/schema/beans




http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
                          http://drools.org/schema/drools-spring




http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-container/drools-spring/src/main/resources/org/drools/container/spring/drools-spring-1.0.0.xsd"><drools:execution-node id="node1" />&nbsp; &nbsp; &nbsp; &nbsp; <drools:kbase id="kbase1" node="node1"/>&nbsp; &nbsp; &nbsp; &nbsp; 




&nbsp; &nbsp; &nbsp; &nbsp; <drools:kagent id="kagent1" kbase="kbase1">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <drools:resources>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <drools:resource type="CHANGE_SET" source="classpath:changeset.xml" />&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </drools:resources>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 




&nbsp; &nbsp; &nbsp; &nbsp; </drools:kagent>&nbsp; &nbsp; &nbsp; &nbsp; 
&nbsp; &nbsp; &nbsp; &nbsp; <drools:ksession id="ksession1" type="stateless" kbase="kbase1" node="node1"/>&nbsp; &nbsp; &nbsp; &nbsp; 




</beans>

where my changeset.xml is adding a snapshot deployed with Guvnor.

But I am not able to trig the rule with the following client:

BatchExecutionCommandImpl command = new BatchExecutionCommandImpl();
command.setLookup("ksession1");
InsertObjectCommand insertObjectCommand = new InsertObjectCommand("TEST");
FireAllRulesCommand fireAllRulesCommand = new FireAllRulesCommand();
command.getCommands().add(insertObjectCommand);
command.getCommands().add(fireAllRulesCommand);

String xml = BatchExecutionHelper.newXStreamMarshaller().toXML(command);

HttpClient httpClient = new HttpClient();
httpClient.getHostConfiguration().setHost("host", 8080);

PostMethod postMethod = new
PostMethod("/drools-5.1.1-server/kservice/rest/execute");
postMethod.setRequestEntity(new StringRequestEntity(xml, null, null));


try {

       httpClient.executeMethod(postMethod);
       int code = postMethod.getStatusCode();
       System.out.println(code);
       String rep = postMethod.getResponseBodyAsString();
       System.out.println(rep);

} catch(Exception e) {...}

Do someone have any idea how to achieve this?

Thanks

Sebastien

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