[rules-users] Starting resource change scanner and notifier in drools-server.

Mark Proctor mproctor at codehaus.org
Thu Nov 4 00:55:17 EDT 2010


It won't detect changes on the classpath. Needs to be file or http.

Mark
On 03/11/2010 21:49, Jason Davidson wrote:
> Hello,
>
> Any tips on this?  I'm seeing this same behavior using Drools 5.1.1:
>
> Spring Beans:
>
> <!-- Drools : -->
>
> <drools:resource-change-scannerid="scanner"interval="10"/>
>
> <drools:kbaseid="ruleKBase">
>
> </drools:kbase>
>
> <drools:kagentid="kagent1"kbase="ruleKBase">
>
> <drools:resources>
>
> <drools:resourcetype="CHANGE_SET"source="classpath:drools-changeset.xml"/>
>
> </drools:resources>
>
> </drools:kagent>
>
>
> Changeset:
>
> <change-setxmlns='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 
> http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-api/src/main/resources/change-set-1.0.0.xsd'>
>
> <add>
>
> <resourcesource="http://10.1.109.54:8080/drools-5.1.1-guvnor/org.drools.guvnor.Guvnor/package/com.cjs.jworks.rules.cases/LATEST"
>
> type='PKG'basicAuthentication="enabled"username="admin"password="admin"/>
>
> </add>
>
> </change-set>
>
>
>
> At startup I see that the KnowledgeAgent registers a listener but 
> never detects changes:
>
> [2010:11:307 15:11:506:info] ResourceChangeScanner reconfigured with 
> interval=60
>
> [2010:11:307 15:11:506:info] ResourceChangeScanner created with 
> default interval=60
>
> [2010:11:307 15:11:506:info] ResourceChangeScanner reconfigured with 
> interval=10
>
> [2010:11:307 15:11:528:info] ResourceChangeNotification created
>
> [2010:11:307 15:11:528:debug] ResourceChangeNotification monitor added 
> monitor=org.drools.io.impl.ResourceChangeScannerImpl at 616181be
>
> [2010:11:307 15:11:529:debug] KnowledgeAgent building resource map
>
> [2010:11:307 15:11:529:info] KnowledegAgent has started listening for 
> ChangeSet notifications
>
> [2010:11:307 15:11:529:info] KnowledgeAgent created, with configuration:
>
> monitorChangeSetEvents=true scanResources=true scanDirectories=true 
> newInstance=true
>
> [2010:11:307 15:11:530:info] KnowledgeAgent applying ChangeSet
>
> [2010:11:307 15:11:531:debug] KnowledgeAgent processing sub 
> ChangeSet=[ClassPathResource path='drools-changeset.xml']
>
> [2010:11:307 15:11:919:debug] KnowledgeAgent notifier subscribing to 
> resource=[UrlResource 
> path='http://10.1.109.54:8080/drools-5.1.1-guvnor/org.drools.guvnor.Guvnor/package/com.cjs.jworks.rules.cases/LATEST']
>
> [2010:11:307 15:11:920:debug] ResourceChangeNotification subscribing 
> listener=org.drools.agent.impl.KnowledgeAgentImpl at d2a7c1e to 
> resource=[UrlResource 
> path='http://10.1.109.54:8080/drools-5.1.1-guvnor/org.drools.guvnor.Guvnor/package/com.cjs.jworks.rules.cases/LATEST']
>
> [2010:11:307 15:11:920:debug] ResourceChangeScanner subcribing 
> notifier=org.drools.io.impl.ResourceChangeNotifierImpl at 603a9c52 to 
> resource=[UrlResource 
> path='http://10.1.109.54:8080/drools-5.1.1-guvnor/org.drools.guvnor.Guvnor/package/com.cjs.jworks.rules.cases/LATEST']
>
> [2010:11:307 15:11:920:debug] KnowledgeAgent rebuilding KnowledgeBase 
> using ChangeSet
>
>
> Thanks!
>
> Jason
>
>
> 2010/9/23 Clandes Tino <clandestino_bgd at yahoo.co.uk 
> <mailto:clandestino_bgd at yahoo.co.uk>>
>
>     Hi,
>     I've also faced the same problem.
>     Hope somebody could give a hint.
>     thanks & best,
>     milan
>
>     --- On *Mon, 20/9/10, Graham Thomson /<gthomson at fizzback.com
>     <mailto:gthomson at fizzback.com>>/* wrote:
>
>
>         From: Graham Thomson <gthomson at fizzback.com
>         <mailto:gthomson at fizzback.com>>
>         Subject: [rules-users] Starting resource change scanner and
>         notifier in drools-server.
>         To: rules-users at lists.jboss.org
>         <mailto:rules-users at lists.jboss.org>
>         Date: Monday, 20 September, 2010, 15:24
>
>
>
>         Hi,
>
>         I would like to ask for help with setting up drools-server
>         with Guvnor. I am using version 5.1.1 of both.
>
>         I am trying to set up an instance of drools-server in Tomcat
>         that periodically loads new updates of packages published in
>         Guvnor (both drools-server and Guvnor run in the same instance
>         of Tomcat).
>
>         My change set definition is as follows:
>
>         <?xml version="1.0" encoding="UTF-8"?>
>         <change-set xmlns='http://drools.org/drools-5.0/change-set'
>         <http://drools.org/drools-5.0/change-set%27>
>           xmlns:xs='http://www.w3.org/2001/XMLSchema-instance'
>         <http://www.w3.org/2001/XMLSchema-instance%27>
>           xs:schemaLocation='http://drools.org/drools-5.0/change-set
>         http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-api/src/main/resources/change-set-1.0.0.xsd'
>         <http://anonsvn.jboss.org/repos/labs/labs/jbossrules/trunk/drools-api/src/main/resources/change-set-1.0.0.xsd%27>>
>         <add>
>         <resource
>         source='http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/<one
>         of my packages>/LATEST'
>               type='PKG' basicAuthentication="enabled"
>         username="<username>" password="" />
>         <resource
>         source="http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/<another
>         of my packages>/LATEST"
>               type="PKG" basicAuthentication="enabled"
>         username="<username>" password="" />
>         </add>
>         </change-set>
>
>         My knowledge-services.xml configuration is as follows (based
>         on the unit test examples highlighted in
>         http://article.gmane.org/gmane.comp.java.drools.user/20992/match=drools+spring):
>
>         <?xml version="1.0" encoding="UTF-8"?>
>         <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:resource-change-scanner id="s1" interval="5" />
>
>         <drools:execution-node id="node1" />
>
>         <drools:ksession id="ksession1" type="stateless"
>         kbase="kbase1" node="node1"/>
>
>         <drools:kbase id="kbase1" node="node1" />
>
>         <drools:kagent id="kagent1" kbase="kbase1">
>         <drools:resources>
>         <drools:resource type="CHANGE_SET"
>         source="classpath:changeset.xml" />
>         </drools:resources>
>         </drools:kagent>
>
>         </beans>
>
>         On loading drools-server, the resources listed in the change
>         set are loaded and available.
>
>         The problem is that when a new package built and published in
>         Guvnor, drools-server does not detect this and update itself.
>         The effect is the same as if a KnowledgeAgent were used
>         locally and
>
>           ResourceFactory.getResourceChangeNotifierService().start();
>           ResourceFactory.getResourceChangeScannerService().start();
>
>         were not called. This leads me to the assumption that
>         drools-server does not start these services by default.
>
>         My question is then can/how do I configure drools-server to
>         start these services such that it will update new changes from
>         Guvnor automatically?
>
>
>         Thanks a lot for any help you can offer,
>
>         Cheers,
>
>         Graham.
>
>         -----Inline Attachment Follows-----
>
>         _______________________________________________
>         rules-users mailing list
>         rules-users at lists.jboss.org
>         <http://uk.mc255.mail.yahoo.com/mc/compose?to=rules-users@lists.jboss.org>
>         https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
>     _______________________________________________
>     rules-users mailing list
>     rules-users at lists.jboss.org <mailto:rules-users at lists.jboss.org>
>     https://lists.jboss.org/mailman/listinfo/rules-users
>
>
>
> _______________________________________________
> rules-users mailing list
> rules-users at lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/rules-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/rules-users/attachments/20101104/a8e7feb6/attachment.html 


More information about the rules-users mailing list