Thanks!! It really helps!!! I was using Guvnor M4 with drools-server M5. Now I’m upgrading everything to M5. And it works!!

 

One more question, when I try to build/deploy drools-server from source, where should the drl file be put (e.g., the properties file contains: file=test_rules1.drl)? I know that the rule agent configurations are to be placed in the “resources” directory. Should the drl file be put in the same dir? Or a specific place?

 

Thanks,

Jing

 


From: rules-dev-bounces@lists.jboss.org [mailto:rules-dev-bounces@lists.jboss.org] On Behalf Of David Sinclair
Sent: Monday, February 02, 2009 5:30 PM
To: Rules Dev List
Subject: Re: [rules-dev] Problems when using drools-server

 

Sorry, I should have stated that differently. The version you are getting from Guvnor, is different than the version the execution server has. Which version did u compile you packages on guvnor with?

On Mon, Feb 2, 2009 at 6:10 PM, Zhang Jing-A52198 <j.zhang@motorola.com> wrote:

In addition, I've changed testservice.properties as:

 

newInstance=true

url=http://localhost:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/something/LATEST

 

Thanks a lot for your help!!!

 

Jing

 


From: rules-dev-bounces@lists.jboss.org [mailto:rules-dev-bounces@lists.jboss.org] On Behalf Of Zhang Jing-A52198
Sent: Monday, February 02, 2009 4:39 PM
To: Rules Dev List
Subject: RE: [rules-dev] Problems when using drools-server

 

The client file is as:

 

import java.io.*;

import java.net.*;

 

public class DroolsClient {

            public static void main(String[] args) {

 

                        try {

                                   

                                    InputStream inXML = DroolsClient.class.getResourceAsStream("sample_request.xml");

                                   

                                    URL url = new URL("http://localhost:8080/drools-server/knowledgebase/testservice");

                                    URLConnection conn = url.openConnection();

                                    conn.setDoOutput(true);

                                    // conn.setRequestProperty(key, value);

                                   

                                    BufferedReader in = new BufferedReader(new InputStreamReader(inXML));

                                   

                                    DataOutputStream outXML = new DataOutputStream(conn.getOutputStream());

                                   

                                    String requestline;

                                   

                                    while ((requestline = in.readLine()) != null) {

                                                System.out.println(requestline);

                                                outXML.writeBytes(requestline);

                                    }

                                   

                                    in.close();

                                    outXML.flush();

                                    outXML.close();                         

                                                           

                                    BufferedReader response = new BufferedReader(new InputStreamReader(conn.getInputStream()));

 

                                    String responseLine;

                                   

                                    while ((responseLine = response.readLine()) != null) {

                                                System.out.println(responseLine);

                                    }

                                   

                                    response.close();

                                   

                        } catch (MalformedURLException ex) {

                                   

                        } catch (IOException ex) {

                                   

                        }

            }

 

}

 

How to make it consistent to the drools-server?

 

Thanks,

Jing

 


From: rules-dev-bounces@lists.jboss.org [mailto:rules-dev-bounces@lists.jboss.org] On Behalf Of David Sinclair
Sent: Monday, February 02, 2009 4:26 PM
To: Rules Dev List
Subject: Re: [rules-dev] Problems when using drools-server

 

Looks like the version of drools on your server is different than your client. That would explain the class version issue

On Mon, Feb 2, 2009 at 5:19 PM, Zhang Jing-A52198 <j.zhang@motorola.com> wrote:

Hi All,

 

When I access the drools-server by URLConnection, I've always got such errors:

 

WARNING: RuleAgent(default) EXCEPTION (Mon Feb 02 16:09:46 CST 2009): org.drools.base.BaseEvaluator; local class incompatible: stream classdesc serialVersionUID = -7767879457606879276, local class serialVersionUID = -7149415669283058142. Stack trace should follow.

WARNING: java.io.InvalidClassException: org.drools.base.BaseEvaluator; local class incompatible: stream classdesc serialVersionUID = -7767879457606879276, local class serialVersionUID = -7149415669283058142

                at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:562)

                at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583)

                at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)

                at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1583)

                at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.rule.LiteralRestriction.readExternal(LiteralRestriction.java:66)

                at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.rule.LiteralConstraint.readExternal(LiteralConstraint.java:67)

                at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at java.util.ArrayList.readObject(ArrayList.java:593)

                at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)

                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

                at java.lang.reflect.Method.invoke(Method.java:597)

                at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)

                at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.rule.Pattern.readExternal(Pattern.java:115)

                at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at java.util.ArrayList.readObject(ArrayList.java:593)

                at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)

                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

                at java.lang.reflect.Method.invoke(Method.java:597)

                at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)

                at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.rule.GroupElement.readExternal(GroupElement.java:57)

                at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.rule.Rule.readExternal(Rule.java:170)

                at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at java.util.HashMap.readObject(HashMap.java:1029)

                at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)

                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

                at java.lang.reflect.Method.invoke(Method.java:597)

                at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)

                at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.rule.MVELDialectRuntimeData.readExternal(MVELDialectRuntimeData.java:42)

                at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at java.util.HashMap.readObject(HashMap.java:1030)

                at sun.reflect.GeneratedMethodAccessor17.invoke(Unknown Source)

                at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

                at java.lang.reflect.Method.invoke(Method.java:597)

                at java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:974)

                at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1849)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1753)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.rule.DialectRuntimeRegistry.readExternal(DialectRuntimeRegistry.java:41)

                at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.rule.Package.readExternal(Package.java:197)

                at java.io.ObjectInputStream.readExternalData(ObjectInputStream.java:1792)

                at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1751)

                at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)

                at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)

                at org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:189)

                at org.drools.util.DroolsStreamUtils.streamIn(DroolsStreamUtils.java:158)

                at org.drools.agent.HttpClientImpl.fetchPackage(HttpClientImpl.java:47)

                at org.drools.agent.URLScanner.readPackage(URLScanner.java:148)

                at org.drools.agent.URLScanner.getChangeSet(URLScanner.java:120)

                at org.drools.agent.URLScanner.loadPackageChanges(URLScanner.java:96)

                at org.drools.agent.RuleAgent.checkForChanges(RuleAgent.java:410)

                at org.drools.agent.RuleAgent.refreshRuleBase(RuleAgent.java:362)

                at org.drools.agent.RuleAgent.configure(RuleAgent.java:347)

                at org.drools.agent.RuleAgent.init(RuleAgent.java:247)

                at org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:187)

                at org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:147)

                at org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:256)

                at org.drools.server.KnowledgeStatelessServlet.getRuleBase(KnowledgeStatelessServlet.java:109)

                at org.drools.server.KnowledgeStatelessServlet.doPost(KnowledgeStatelessServlet.java:71)

                at javax.servlet.http.HttpServlet.service(HttpServlet.java:738)

                at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)

                at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:317)

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)

                at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)

                at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288)

                at

WARNING: org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271)

                at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)

                at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)

                at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)

                at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)

                at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)

                at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)

                at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)

                at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)

                at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272)

                at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637)

                at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568)

                at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813)

                at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)

                at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)

                at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)

                at com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:380)

                at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)

                at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)

 

WARNING: java.lang.NullPointerException

                at org.drools.agent.RuleAgent.refreshRuleBase(RuleAgent.java:363)

                at org.drools.agent.RuleAgent.configure(RuleAgent.java:347)

                at org.drools.agent.RuleAgent.init(RuleAgent.java:247)

                at org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:187)

                at org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:147)

                at org.drools.agent.RuleAgent.newRuleAgent(RuleAgent.java:256)

                at org.drools.server.KnowledgeStatelessServlet.getRuleBase(KnowledgeStatelessServlet.java:109)

                at org.drools.server.KnowledgeStatelessServlet.doPost(KnowledgeStatelessServlet.java:71)

                at javax.servlet.http.HttpServlet.service(HttpServlet.java:738)

                at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)

                at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:317)

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)

                at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:390)

                at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)

                at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)

                at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288)

                at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271)

                at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)

                at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)

                at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)

                at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)

                at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)

                at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)

                at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)

                at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)

                at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)

                at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272)

                at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637)

                at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568)

                at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813)

                at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)

                at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)

                at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)

                at com.sun.enterprise.web.portunif.PortUnificationPipeline$PUTask.doTask(PortUnificationPipeline.java:380)

                at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)

                at com.sun.enterprise.web.connector.grizzly.ssl.SSLWorkerThread.run(SSLWorkerThread.java:106)

 

 

 

Can anyone help me to fix this problem? I've got the same errors when trying to run KnowledgeServiceServletTest.java from the drool-server source code.

 

Thanks,

Jing


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_______________________________________________
rules-dev mailing list
rules-dev@lists.jboss.org
https://lists.jboss.org/mailman/listinfo/rules-dev