[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-----
>
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