[rules-users] upgrading drools-server 5.0 to drools-camel-server 5.4

bhochhi bhochhi at aol.com
Mon Apr 30 14:26:08 EDT 2012


After 2 years, I am trying to upgrade from drools 5.0 to latest. The way we
are using the drools: the client apps(in c# and ruby) sends the request to
drools-server 5.0. This execution server gets the rules .pkg file from
guvnor using the properties files that map rules package at guvnor and
response with output of rules execution. Unfortunately, the new execution
server doesn't seems to work same way as the new one is completely
different. I deployed drools-camel-server-5.4.war and saw how test.jsp is
working. Then I changed knowledge-service.xml to replace the local drl
resource to remote pkg at guvnor as follows:
 <drools:resource  type="DRL" source="classpath:test.drl"/> 
to
 <drools:resource  type="PKG"
source="http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/test/ex"
basicAuthentication="enabled" username="admin" password="admin" />

When I ran the test.jsp, I got exception, snippet below. There were few
other warning exceptions too, but not sure which is cause this problem. To
make my question short, I want to know is there at quick example or docs
that explain how I can use drools-camel-server to response the
actions(output of execution) to external app that sends the request with
conditions, where camel server gets the rules pkg from guvnor? I have create
the jersey based webservice to do exactly the same, but I want to understand
how this new camel-based server works.  I appreciate any kind of your help. 

 ERROR [org.apache.camel.processor.DefaultErrorHandler]
(http--127.0.0.1-8080-4) Failed delivery for exchangeId:
ID-NormanDev2-52157-1335809674758-0-1. Exhausted after delivery attempt: 1
caught: org.apache.camel.RuntimeCamelException: Body of in message not of
the expected type 'org.drools.command.Command' for
uridrools://node1/ksession1: org.apache.camel.RuntimeCamelException: Body of
in message not of the expected type 'org.drools.command.Command' for
uridrools://node1/ksession1
	at
org.drools.camel.component.DroolsExecuteProducer.process(DroolsExecuteProducer.java:63)
[drools-camel-5.4.0.CR1.jar:5.4.0.CR1]
	at
org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)
[camel-core-2.9.0.jar:2.9.0]
	at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
[camel-core-2.9.0.jar:2.9.0]
	at
org.apache.camel.processor.SendProcessor$2.doInAsyncProducer(SendProcessor.java:115)
[camel-core-2.9.0.jar:2.9.0]
	at
org.apache.camel.impl.ProducerCache.doInAsyncProducer(ProducerCache.java:285)
[camel-core-2.9.0.jar:2.9.0]






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