NPE from reteoo.AccumulateNode
by jpbarto
First the specifics: JDK 1.6, Mac OSX, using Drools 5.5 Final
The full source code and rules are pasted below but here's the gist, I have
a stateful knowledge session to which I am inserting events and running an
accumulate on the input events. I have a for loop generating the events and
inserting them as rapidly as possible. In the rules I use an accumulator to
calculate the average of the values contained within the events. The
behavior I'm observing is that if I insert ~120 events without any waiting I
receive an NPE. If I Thread.sleep for even just 1ms the test goes off
without a hitch. Have I uncovered a bug which should be logged in JIRA? I
would check through JIRA to see if something similar has been logged but I'm
so unfamiliar with the codebase, not to mention it could all just be user
error.
The NPE is as follows:
Exception in thread "main" java.lang.NullPointerException
at org.drools.reteoo.AccumulateNode.getFirstMatch(AccumulateNode.java:1050)
at
org.drools.reteoo.AccumulateNode.modifyLeftTuple(AccumulateNode.java:345)
at
org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateModifyChildLeftTuple(SingleLeftTupleSinkAdapter.java:259)
at
org.drools.reteoo.AccumulateNode.evaluateResultConstraints(AccumulateNode.java:676)
at
org.drools.reteoo.ReteooWorkingMemory$EvaluateResultConstraints.execute(ReteooWorkingMemory.java:590)
at
org.drools.common.PropagationContextImpl.evaluateActionQueue(PropagationContextImpl.java:350)
at
org.drools.rule.SlidingLengthWindow.assertFact(SlidingLengthWindow.java:119)
at org.drools.rule.BehaviorManager.assertFact(BehaviorManager.java:94)
at org.drools.reteoo.WindowNode.assertObject(WindowNode.java:167)
at
org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateAssertObject(CompositeObjectSinkAdapter.java:497)
at
org.drools.reteoo.CompositeObjectSinkAdapter.propagateAssertObject(CompositeObjectSinkAdapter.java:382)
at org.drools.reteoo.ObjectTypeNode.assertObject(ObjectTypeNode.java:235)
at org.drools.reteoo.EntryPointNode.assertObject(EntryPointNode.java:240)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:350)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:311)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:127)
at org.drools.common.NamedEntryPoint.insert(NamedEntryPoint.java:55)
at drools5fusioneval.Average.main(Average.java:66)
### Average.java ###
package drools5fusioneval;
import java.io.IOException;
import java.util.Random;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseConfiguration;
import org.drools.KnowledgeBaseFactory;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.conf.EventProcessingOption;
import org.drools.io.ResourceFactory;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.rule.WorkingMemoryEntryPoint;
class AvgDFEChannel implements org.drools.runtime.Channel {
@Override
public void send(Object o) {
System.err.println ("Recieved channel message: "+ o);
}
}
public class Average {
public static void main(String[] args) throws InterruptedException,
IOException {
KnowledgeBaseConfiguration kbconfig =
KnowledgeBaseFactory.newKnowledgeBaseConfiguration();
kbconfig.setOption(EventProcessingOption.STREAM);
KnowledgeBase kbase =
KnowledgeBaseFactory.newKnowledgeBase(kbconfig);
KnowledgeBuilder kbuilder =
KnowledgeBuilderFactory.newKnowledgeBuilder();
kbuilder.add(ResourceFactory.newClassPathResource("drools5fusioneval/average.drl"),
ResourceType.DRL);
if (kbuilder.hasErrors()) {
System.err.println(kbuilder.getErrors().toString());
}
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
final StatefulKnowledgeSession session =
kbase.newStatefulKnowledgeSession();
session.registerChannel("heartbeat", new AvgDFEChannel ());
WorkingMemoryEntryPoint ep01 =
session.getWorkingMemoryEntryPoint("ep01");
new Thread() {
public void run() {
session.fireUntilHalt();
}
}.start();
Thread.sleep (5000); // give the engine time to get setup
Server hiwaesdk = new Server ("hiwaesdk");
session.insert(hiwaesdk);
long LIMIT = 120;
Random rnd = new Random (System.nanoTime());
for (long i = LIMIT; i > 0; i--) {
int j = rnd.nextInt (212);
ep01.insert (new IntEvent (j));
//Thread.sleep (0x1);
}
System.out.println (hiwaesdk);
}
}
### average.drl ###
package drools5fusioneval
declare IntEvent
@role ( event )
@expires(15s)
end
declare Statistics
opsec : long
total : long
end
global Statistics stats;
rule "Init engine"
salience 100
when
then
stats = new Statistics ();
stats.setTotal (0);
stats.setOpsec (0);
drools.getWorkingMemory ().setGlobal ("stats", stats);
System.out.println ("Engine initialized");
end
rule "number rule"
when
$e : IntEvent () from entry-point ep01
$s : Server (hostname == "hiwaesdk")
then
$s.currentTemp = $e.data;
stats.setOpsec (stats.getOpsec () + 1);
stats.setTotal (stats.getTotal () + 1);
end
rule "average temp"
when
Number ($avg : intValue) from accumulate (
IntEvent ($temp : data) over window:length(10) from entry-point
ep01, average ($temp)
)
$s : Server (hostname == "hiwaesdk")
then
$s.avgTemp = $avg;
end
rule "Heartbeat"
timer ( int: 5s 5s)
when
then
channels["heartbeat"].send ("Heartbeat: "+ stats.getOpsec () / 5 +", "+
stats.getTotal ());
stats.setOpsec (0);
end
--
View this message in context: http://drools.46999.n3.nabble.com/NPE-from-reteoo-AccumulateNode-tp402381...
Sent from the Drools: User forum mailing list archive at Nabble.com.
12 years, 7 months
clustering
by sara ibrahim
hi,
i need to configure Jboss clustering , i tried to apply it in the same server but i couldn't perform Failover
so now i'm trying two different ips at different machines , what should i do exactly?!
REGARDS,
SARA
12 years, 7 months
Optaplan6.0.0Beta1:chaining-simpleScore OK, DRL Score corruption
by Paul T
Requirement:Equip to tasks scheduling.Earlier tasks may not exceed a waittime
to latest endtime for each job.
2 JOBs to plan each with 2 identical TASKs with only 1 EQUIPMENT anchor:
J1 comprises T1,T2 and J2 comprises T1,T2.
problem Fact: EQUIPMENT E1
planning Entity: TASK T1|duration=3|waittime=2 and
T2|duration=5|waittime=3
OptaPlan Schedule attempt
-------------------------
anchor(E1:T1J1,T1J2,T2J1,T2J2) - so T1J1 is pos1,T1J2 is pos2 etc :
timings are 3+3+5+5 and respective waittimes are 2,2,3,3
Rule: get latest ending task by JOB and punish if waittime is exceeded
between the tasks for that specific JOB.
J1 latestendtime=11 which is T2J1
J2 latestendtime=16 which is T2J2
Punish if any task endtime for JOB exceeds waittime (so for J1:
T2J1-T1J1=(11-6-2)*-1 = -3 (SOFT)
- I believe that the score function remembers J1,T2J1 in position 3 and
T1J1 in position 1 with SOFT score -3
OptaPlan Schedule attempt
-------------------------
anchor(E1:T1J1,T2J2,T2J1,T1J2) - so T1J1 is pos1,T2J2 is pos2 etc :
timings are 3+5+5+3 and respective waittimes are 2,3,3,2
Rule: get latest ending task by JOB and punish if waittime is exceeded
between JOBs
J1 latestendtime=13 which is T2J1
J2 latestendtime=16 which is T1J2
Punish if any task endtime for JOB exceeds waittime (so for J1:
T2J1-T1J1=(13-6-2)*-1 = -5 (SOFT)
- I believe that the score function remembers J1,T2J1 in position 3 and
T1J1 in position 1 with SOFT score -5
Score corruption seems to occur as the DRL scoring function has 2 identical
set of entities/values but with different score results!
J1,T2J1 in position 3 and T1J1 in position 1 with SOFT score -3
J1,T2J1 in position 3 and T1J1 in position 1 with SOFT score -5
What has happened is that J2 has swapped its tasks around which are not(?)
taken into account for a chaining DRL score function and
hence does not see them as different.
Q?: Am I correct in my assumption that the DRL score function has
insufficient data to compare for my requirement?
Q?: If so any ideas to resolve?
--
View this message in context: http://drools.46999.n3.nabble.com/Optaplan6-0-0Beta1-chaining-simpleScore...
Sent from the Drools: User forum mailing list archive at Nabble.com.
12 years, 7 months
Erro : JAAS Authentication with Guvnor 5.5.0 and Authorization Error
by Zahid Ahmed
Hi,
I have run into a set of errors configuring JAAS Authentication for Guvnor. I have searched a lot on jboss community and for all the solutions nothing is working for me. I am getting either the login popup or I am getting "This User has no permissions setup". The Guvnor Manual is referring to jboss eap 5 and I am trying to do this on Jboss AS 7.1.
Note : I am unable to find login-config.xml file mentioned in the following link. http://docs.jboss.org/drools/release/5.5.0.Final/drools-guvnor-docs/html/... . Is guvnor deployment targeted only for JBOSS EAP 5.0 ?
Environment:
1. Guvnor 5.5.0.Final
2. JBOSS AS 7.1.0
Files Configured (Only these files I configured):
1. Standalone.xml
2. Guvnor.war/WEB-INF/beans.xml
3. Created users using "add-user.sh"
4. standalone/configuration/application-users.properties (attached).
5. standalone/configuration/application-roles.properties (attached)
6. standalone/configuration/management-users.properties
Configurations
Standalone.xml :
Only configured below tags. There's nothing else I changed for the purpose of JAAS Authentication and Guvnor Authorization. Added <security-domain name="drools-guvnor" cache-type="default"> to check if "other" is not working.
<security-domain name="other" cache-type="default">
<authentication>
<login-module code="Remoting" flag="optional">
<module-option name="password-stacking" value="useFirstPass"/>
</login-module>
<login-module code="RealmUsersRoles" flag="required">
<module-option name="usersProperties" value="${jboss.server.config.dir}/application-users.properties"/>
<module-option name="rolesProperties" value="${jboss.server.config.dir}/application-roles.properties"/>
<module-option name="realm" value="ApplicationRealm"/>
<module-option name="password-stacking" value="useFirstPass"/>
</login-module>
</authentication>
</security-domain>
<security-domain name="drools-guvnor" cache-type="default">
<authentication>
<login-module code="org.jboss.security.auth.spi.UsersRolesLoginModule" flag="required">
<module-option name="usersProperties" value="${jboss.server.config.dir}/application-users.properties"/>
<module-option name="rolesProperties" value="${jboss.server.config.dir}/application-roles.properties"/>
<module-option name="realm" value="ApplicationRealm"/>
<module-option name="password-stacking" value="useFirstPass"/>
</login-module>
</authentication>
</security-domain>
Drools-guvnor.war.
1. beans.xml (Tried 4 different configs as suggested on community)
a. Config 1 (Attached "Config1 beans.xml" and Config1 error.txt) . Error "This User has no permission setup".
<security:IdentityImpl>
<s:modifies/>
<!-- JAAS based authentication -->
<security:authenticatorName>jaasAuthenticator</security:authenticatorName>
</security:IdentityImpl>
<security:jaas.JaasAuthenticator>
<s:modifies/>
<jaasConfigName>other</jaasConfigName>
</security:jaas.JaasAuthenticator>
<!-- SECURITY AUTHORIZATION CONFIGURATION -->
<!--
This is used to enable or disable role-based authorization. By default it is disabled.
-->
<guvnorSecurity:RoleBasedPermissionResolver>
<s:modifies/>
<guvnorSecurity:enableRoleBasedAuthorization>true</guvnorSecurity:enableRoleBasedAuthorization>
</guvnorSecurity:RoleBasedPermissionResolver>
b. Config 2 (Attached "Config2 beans.xml" and Config2 error.txt). Error "This User has no permission setup".
<security:IdentityImpl>
<s:modifies/>
<!-- JAAS based authentication -->
<security:authenticatorName>jaasAuthenticator</security:authenticatorName>
</security:IdentityImpl>
<security:jaas.JaasAuthenticator>
<s:modifies/>
<security:jaasConfigName>drools-guvnor</security:jaasConfigName>
</security:jaas.JaasAuthenticator>
<!-- SECURITY AUTHORIZATION CONFIGURATION -->
<!--
This is used to enable or disable role-based authorization. By default it is disabled.
-->
<guvnorSecurity:RoleBasedPermissionResolver>
<s:modifies/>
<guvnorSecurity:enableRoleBasedAuthorization>true</guvnorSecurity:enableRoleBasedAuthorization>
</guvnorSecurity:RoleBasedPermissionResolver>
c. Config 3 (Attached "Config3 beans.xml" and Config1 error.txt). Error (Same error as of Config 1) "This User has no permission setup".
<security:IdentityImpl>
<s:modifies/>
<!-- JAAS based authentication -->
<security:authenticatorName>jaasAuthenticator</security:authenticatorName>
</security:IdentityImpl>
<security:jaas.JaasAuthenticator>
<s:modifies/>
<jaasConfigName>other</jaasConfigName>
</security:jaas.JaasAuthenticator>
<guvnorSecurity:RoleBasedPermissionResolver>
<s:modifies/>
<guvnorSecurity:enableRoleBasedAuthorization>true</guvnorSecurity:enableRoleBasedAuthorization>
</guvnorSecurity:RoleBasedPermissionResolver>
<component name="org.jboss.seam.security.roleBasedPermissionResolver">
<s:modifies/>
<property name="enableRoleBasedAuthorization">true</property>
</component>
I HAVE ALSO ADDED THIS COMPONENT TAG found every where on forums to resolve this issue. I tried Tried without this also but at that time I get LOGIN screen which always says Incorrect User/Password.Is this required or <guvnorSecurity:RoleBasedPermissionResolver> is the only authorization config.
<component name="org.jboss.seam.security.roleBasedPermissionResolver">;
<s:modifies/>
<property name="enableRoleBasedAuthorization">true</property>
</component>
Kindly help me in this configuration. I can't find a single authentic document for my environment.
Regards,
Zahid
12 years, 7 months
email
by noor jalillah jeffri
noorjalillahjeffri(a)gmail.com
12 years, 7 months
Optaplanner - Multiday / Periodic Vehicle Routing Problems
by Raoul Cousins
I am interested in solving periodic vehicle routing problems and other
multi-day (but static and deterministic) vehicle routing variants.
These are similar to standard VRP except that not every customer is visited
each day. In some variants, the days to visit each node are chosen from
some predefined schedules; in others, each node has to be visited a
specific number of times over the course of several days.
Would Optaplanner be a good choice to model such problems? I know it's not
a very well-defined question, but I'm wondering if there would be any
serious difficulties modeling this type of problem before I dive into the
programming.
Thank you!
12 years, 7 months
Unexpected, Unclear, Unperiodic error
by abhinay_agarwal
I have a piece of code which builds the kbase, when i run it from my local
system as a java application with guvnor deployed, the code works fine.
When i try and access from the admin module, it calls the same method
readKnowledgeBase(), it works.
But, when i call the same piece of code
(the same method readKnowledgeBase()) from user module, no extra parameter,
the same changeset is being used, it throws the following exception.
java.lang.RuntimeException: KnowledgeAgent exception while trying to
deserialize KnowledgeDefinitionsPackage
at
org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:796)
at
org.drools.agent.impl.KnowledgeAgentImpl.addResourcesToKnowledgeBase(KnowledgeAgentImpl.java:1103)
at
org.drools.agent.impl.KnowledgeAgentImpl.rebuildResources(KnowledgeAgentImpl.java:844)
at
org.drools.agent.impl.KnowledgeAgentImpl.buildKnowledgeBase(KnowledgeAgentImpl.java:684)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:207)
at
org.drools.agent.impl.KnowledgeAgentImpl.applyChangeSet(KnowledgeAgentImpl.java:186)
at
com.infosys.fps.drools.adapter.DroolsAdapter.readKnowledgeBase(DroolsAdapter.java:58)
at
com.infosys.fps.feecommission.helper.GoalFeeCommissionHelper.calculateFee(GoalFeeCommissionHelper.java:189)
at
com.infosys.fps.feecommission.helper.GoalFeeCommissionHelper.processFee(GoalFeeCommissionHelper.java:167)
at
com.infosys.fps.feecommission.helper.GoalFeeCommissionHelper.processFeeCalculation(GoalFeeCommissionHelper.java:126)
at
com.infosys.fps.feecommission.helper.GoalFeeCommissionHelper.chargeGoalCreation(GoalFeeCommissionHelper.java:77)
at
com.infosys.fps.feecommission.helper.GoalFeeCommissionHelper.chargeFee(GoalFeeCommissionHelper.java:55)
at
com.infosys.fps.client.goal.service.EduGoalNeedsService.saveEducationNeeds(EduGoalNeedsService.java:932)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:318)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
at
org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at
org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
at $Proxy57.saveEducationNeeds(Unknown Source)
at
com.infosys.fps.client.goal.delegate.EducationGoalDelegate.saveEducationNeeds(EducationGoalDelegate.java:217)
at
com.infosys.fps.client.goal.controller.EduGoalNeedsController.saveAfterGoalId(EduGoalNeedsController.java:865)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
at
org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
at
org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
at
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
at
org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
at
org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
at
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
at
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
at
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
at
org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
at
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118)
at
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:183)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:125)
at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at
org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
at
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
at
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: Server returned HTTP response code: 502 for
URL:
http://bbsrprd02:8080/drools-guvnor/org.drools.guvnor.Guvnor/package/Goal...
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown
Source)
at org.drools.io.impl.UrlResource.grabStream(UrlResource.java:210)
at org.drools.io.impl.UrlResource.getInputStream(UrlResource.java:146)
at
org.drools.agent.impl.KnowledgeAgentImpl.createPackageFromResource(KnowledgeAgentImpl.java:759)
... 85 more
Any idea about this weird behaviour ?
Thanks,
Abhinay
--
View this message in context: http://drools.46999.n3.nabble.com/Unexpected-Unclear-Unperiodic-error-tp4...
Sent from the Drools: User forum mailing list archive at Nabble.com.
12 years, 7 months
What is the JBoss Knowledge Base Builder?
by Thomas Grayson
My Eclipse project includes the "JBoss Knowledge Base Builder." What does this builder do? I don't know how it was added to my project. Regardless, it does not automatically compile my rule files, as far as I can tell, since I didn't see any messages of that kind until I added the (different) "Drools Builder" to my project.
Tom Grayson
12 years, 7 months
Make Eclipse Drools Builder ignore .csv files
by Thomas Grayson
I have an existing Eclipse project that I just converted to a Drools project so that I could get the benefit of automatic compilation of my rule files and decision tables. This worked, but with an unfortunate side effect. My project also contains .csv files that are not Drools decision tables. The Drools Builder flags these files with an error. Can I configure my project so that the Drools Builder will ignore these files? If not, is there a good workaround? The .csv files open nicely in Excel, so I don't want to change the file extension unless I can get the same effect. I am using Drools 5.5.0.Final.
Best wishes,
Tom
12 years, 7 months
