Help with Accumulate function
by dwipin
Hi,
I am having trouble implementing this rule with the accumulate function.
My rule requirement is -
Aggregate all PnlAttributionAmounts with a type of "UNEXPLAINED" for all
Positions for a given day.
Below is the code I have for this -
$position : Position(date == $currDate)
$posScn : PositionScenario(scenario == 'SCEN-EOD', position == $position )
$posScnGrp : PositionScenarioCurrencyGroup(positionScenario == $posScn,
currencyType == CurrencyTypes.TRANSACTIONAL)
$posPnlAmt : PositionPnlAmount(pnlAmountType == "DTD",
positionScenarioCurrencyGroup == $posScnGrp)
$attibAmtType : AttributionAmountType(attributionAmountType ==
"UNEXPLAINED/RESIDUALPNL")
$totalPnlAttibAmt : BigDecimal()
from accumulate(
PositionPnlAttributionAmount(positionPnlAmount ==
$posPnlAmt, attributionAmountType == $attibAmtType, $pnlAttibAmt :
financialValue)
,sum($pnlAttibAmt)
)
eval ($totalPnlAttibAmt > 1000)
When I do it this way, the rule gets executed 6 times, basically for every
fact that evaluated to true. How do I restrict this? The rule should be
executed only if the final eval results in true.
Thanks for any help,
Dwipin.
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14 years, 9 months
mvn failed to install under drools-5.1.1-examples.zip
by Aman
When I tried to run mvn install, it gave me following error-
[INFO] Scanning for projects...
Downloading:
http://repo1.maven.org/maven2/org/drools/drools/5.1.1/drools-5.1.1.pom
[INFO] Unable to find resource 'org.drools:drools:pom:5.1.1' in repository
central (http://repo1.maven.org/maven2)
[INFO]
------------------------------------------------------------------------
[ERROR] FATAL ERROR
[INFO]
------------------------------------------------------------------------
[INFO] Error building POM (may not be this project's POM).
Project ID: null:drools-examples:pom:null
Reason: Cannot find parent: org.drools:drools for project:
null:drools-examples:pom:null for project null:drools-examples:pom:null
[INFO]
------------------------------------------------------------------------
[INFO] Trace
org.apache.maven.reactor.MavenExecutionException: Cannot find parent:
org.drools:drools for project: null:drools-examples:pom:null for project
null:drools-examples:pom:null
at
org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:404)
at
org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:272)
at
org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at
org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39
)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl
.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at
org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at
org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
at org.codehaus.classworlds.Launcher.main(Launcher.java:375)
Caused by: org.apache.maven.project.ProjectBuildingException: Cannot find
parent: org.drools:drools for project: null:drools-examples:pom:null for
project null:drools-examples:pom:null
at
org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultM
avenProjectBuilder.java:1396)
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildInternal(DefaultMav
enProjectBuilder.java:823)
at
org.apache.maven.project.DefaultMavenProjectBuilder.buildFromSourceFileInter
nal(DefaultMavenProjectBuilder.java:508)
at
org.apache.maven.project.DefaultMavenProjectBuilder.build(DefaultMavenProjec
tBuilder.java:200)
at
org.apache.maven.DefaultMaven.getProject(DefaultMaven.java:604)
at
org.apache.maven.DefaultMaven.collectProjects(DefaultMaven.java:487)
at
org.apache.maven.DefaultMaven.getProjects(DefaultMaven.java:391)
... 12 more
Caused by: org.apache.maven.project.ProjectBuildingException: POM
'org.drools:drools' not found in repository: Unable to download the artifact
from any repository
org.drools:drools:pom:5.1.1
from the specified remote repositories:
central (http://repo1.maven.org/maven2)
for project org.drools:drools
at
org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(
DefaultMavenProjectBuilder.java:605)
at
org.apache.maven.project.DefaultMavenProjectBuilder.assembleLineage(DefaultM
avenProjectBuilder.java:1392)
... 18 more
Caused by: org.apache.maven.artifact.resolver.ArtifactNotFoundException:
Unable to download the artifact from any repository
org.drools:drools:pom:5.1.1
from the specified remote repositories:
central (http://repo1.maven.org/maven2)
at
org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultAr
tifactResolver.java:228)
at
org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultAr
tifactResolver.java:90)
at
org.apache.maven.project.DefaultMavenProjectBuilder.findModelFromRepository(
DefaultMavenProjectBuilder.java:558)
... 19 more
Caused by: org.apache.maven.wagon.ResourceDoesNotExistException: Unable to
download the artifact from any repository
at
org.apache.maven.artifact.manager.DefaultWagonManager.getArtifact(DefaultWag
onManager.java:404)
at
org.apache.maven.artifact.resolver.DefaultArtifactResolver.resolve(DefaultAr
tifactResolver.java:216)
... 21 more
[INFO]
------------------------------------------------------------------------
[INFO] Total time: < 1 second
[INFO] Finished at: Sat Oct 02 16:37:04 EDT 2010
[INFO] Final Memory: 1M/4M
[INFO]
------------------------------------------------------------------------
14 years, 9 months
Question
by Heng hh
Hi all
I would like to ask how drools run . I found that they can run in two
different drl file. What is salience for ?.
rule " Teting 571"
salience 4200
when
root:AdjudicationDTO(type=="PRIORAPPROVAL_LINE",t:type);
pa:PriorApproval();
pal:PriorApprovalLine($pb:productBenefit);
cct:PriorApprovalTreatment(id!=null,$c:clinical);
then
System.out.println( "571= PASS ");
if(
root.getAppliedUcr($pb.getBenefit(),pa.getProposedDateOfTreatment(),pal.getClinicalUcrs(),$c)!=null&&
root.getAppliedUcr($pb.getBenefit(),pa.getProposedDateOfTreatment(),pal.getClinicalUcrs(),$c).getUcrType()!=null&&
(
root.getAppliedUcr($pb.getBenefit(),pa.getProposedDateOfTreatment(),pal.getClinicalUcrs(),$c).getMinChargeLimit()!=null&&
root.getAppliedUcr($pb.getBenefit(),pa.getProposedDateOfTreatment(),pal.getClinicalUcrs(),$c).getMinChargeLimit().compareTo(pal.getRequestedAmount())<0
||
root.getAppliedUcr($pb.getBenefit(),pa.getProposedDateOfTreatment(),pal.getClinicalUcrs(),$c).getMinChargeLimit()!=null&&
root.getAppliedUcr($pb.getBenefit(),pa.getProposedDateOfTreatment(),pal.getClinicalUcrs(),$c).getMinChargeLimit().compareTo(pal.getAllocatedAmount())<0
)
){
registerPALineStepStr(pal,571+cct.getId().toString(),
"571 Clinical treatment UCR validation",
AdjudicationConstants.RESULT_FAIL,
"The requested amount is more than the treatment UCR charge limit",
"PA line requested amt ["+pal.getRequestedAmount()+"] "+
" Allocated amt ["+pal.getAllocatedAmount()+"] "+
" benefit["+pal.getProductBenefit().getBenefit().getCode()+"]"+
"UCR["+root.getUcrDetailsMsg(root.getAppliedUcr($pb.getBenefit(),pa.getProposedDateOfTreatment(),pal.getClinicalUcrs(),$c))+"]"
);
}
else{
registerPALineStepStr(pal,571+cct.getId().toString(),
"571 Clinical treatment UCR validation",
AdjudicationConstants.RESULT_PASS,
"The requested amount is more than the treatment UCR charge limit",
"PA line requested amt ["+pal.getRequestedAmount()+"] "+
" Allocated amt ["+pal.getAllocatedAmount()+"] "+
" benefit["+pal.getProductBenefit().getBenefit().getCode()+"]"+
root.getUcrDetailsMsg(root.getAppliedUcr($pb.getBenefit(),pa.getProposedDateOfTreatment(),pal.getClinicalUcrs(),$c))
);
}
end
14 years, 9 months
whern to remove persistent stateful drools session
by Stephan.Koops＠We4IT.com
Hi,
I use drools with JPA peristence. It also persists the sessions. If I want
to load them back, I got an exception. So I create a new session every
time a need one. Is this a bad (or not good) strategy?
When can I remove the persisted session from the database? Directly after
closing it? Or can I disable the persistence of session, so only the other
things are persisted?
Thanks in advance.
Mit freundlichen Grüssen/Best regards
i. A.
Stephan Koops
Software Engineer
We4IT GmbH
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Internet: http://www.we4it.com
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Geschäftsführer: Stefan Sucker, Vicente Diaz Fernandez
USt.-ID.-Nr. DE 220 859 831
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14 years, 9 months
Ruleflow "stalling" in stateless session - no events, workitems, etc
by drdaveg
I apologize if this is covered elsewhere, but I am not sure of the keywords
to search that would not return 1000 posts.
I have ruleflow running from a rule that starts it in a
StatelessKnowledgeSession. I am doing this to avoid inferencing, which is
present in the stateful version of this application. I am starting the
ruleflow from a rule with no ruleflow-group.
The ruleflow seems to run until it executes a rule in the first rule
RuleflowGroup node. The subsequent node, included for debugging, just
displays a message to the console and is never reached. There are no
parameters to the ruleflow, no events in the ruleflow, no workitems (as this
is simply a ruleflow) so I am wondering how processing has stalled before a
node with no conditions for entry.
--
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14 years, 9 months
drools flow - why after reloading some process previously completed workItems gets executed once again?
by gs76pl
hi,
i've a simple drools flow process with one workItem (its execute method
simply prints some text) and one human task. I'm using
drools-persistence-jpa to save my process status and load it when
process/server crashes.
What i've noticed is that:
1. after starting process my processinfo table gets updated with a new
process status (P1)
2. my workItem (W1) runs correctly and prints a text
3. a human task gets created
----- when i stop my server at this point and restart my server executing
below steps
1. load the session using
JPAKnowledgeService.loadStatefulKnowledgeSession(myPreviousSessionId,....)
2. start the process
At this point previously completed workItem (W1) gets executed once again
and the same human task gets created !!
I thought that perhaps the issue is with my transactionManager not
committing steps but since i'm using local transaction (commit happens after
any process step) its very unlikely.
Is it a bug that the same workItem gets executed or is it intentional and
it's up to the developer to check somewhere else whether specific step has
been already finished or not..?
--
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14 years, 9 months
Drools Guvnor - Websphere 7
by smileychappy
I'm trying to install and run Guvnor on Websphere 7.
When I try starting the app, I get the following exception
[4/5/11 11:02:26:793 EDT] 00000085 webapp E
com.ibm.ws.webcontainer.webapp.WebApp notifyServletContextCreated SRVE0283E:
Exception caught while initializing context: {0}
org.jboss.seam.InstantiationException:
Could not instantiate Seam component: repositoryConfiguration
at org.jboss.seam.Component.newInstance(Component.java:2066)
at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304)
at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278)
at
org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:112)
at org.jboss.seam.init.Initialization.init(Initialization.java:727)
at
org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:34)
at
com.ibm.ws.webcontainer.webapp.WebApp.notifyServletContextCreated(WebApp.java:1681)
at
com.ibm.ws.webcontainer.webapp.WebApp.commonInitializationFinish(WebApp.java:374)
at
com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:299)
at
com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:100)
at
com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:166)
at
com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:731)
at
com.ibm.ws.webcontainer.WSWebContainer.addWebApplication(WSWebContainer.java:616)
at
com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:376)
at
com.ibm.ws.webcontainer.component.WebContainerImpl.start(WebContainerImpl.java:668)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1122)
at
com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1315)
at
com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:623)
at
com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:940)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:725)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl$1.run(ApplicationMgrImpl.java:1266)
at
com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:4599)
at
com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:4687)
at
com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplicationDynamically(ApplicationMgrImpl.java:1271)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:2043)
at
com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:439)
at
com.ibm.ws.runtime.component.CompositionUnitImpl.start(CompositionUnitImpl.java:123)
at
com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:382)
at
com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:653)
at
com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:615)
at
com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:1177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:600)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:37)
at sun.reflect.GeneratedMethodAccessor21.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:600)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:244)
at
javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1086)
at
javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:967)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:848)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:773)
at com.ibm.ws.management.AdminServiceImpl$1.run(AdminServiceImpl.java:1320)
at
com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118)
at
com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:1213)
at
com.ibm.ws.management.commands.AdminServiceCommands$InvokeCmd.execute(AdminServiceCommands.java:251)
at com.ibm.ws.console.core.mbean.MBeanHelper.invoke(MBeanHelper.java:239)
at
com.ibm.ws.console.appdeployment.ApplicationDeploymentCollectionAction.execute(ApplicationDeploymentCollectionAction.java:564)
at org.apache.struts.action.RequestProcessor.processActionPerform(Unknown
Source)
at org.apache.struts.action.RequestProcessor.process(Unknown Source)
at org.apache.struts.action.ActionServlet.process(Unknown Source)
at org.apache.struts.action.ActionServlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:738)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
at
com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1655)
at
com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1595)
at
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:104)
at
com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
at
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
at
com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:932)
at
com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:500)
at
com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
at
com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:341)
at org.apache.struts.action.RequestProcessor.doForward(Unknown Source)
at org.apache.struts.tiles.TilesRequestProcessor.doForward(Unknown Source)
at org.apache.struts.action.RequestProcessor.processForwardConfig(Unknown
Source)
at
org.apache.struts.tiles.TilesRequestProcessor.processForwardConfig(Unknown
Source)
at
com.ibm.isclite.container.controller.InformationController.processForwardConfig(InformationController.java:217)
at org.apache.struts.action.RequestProcessor.process(Unknown Source)
at org.apache.struts.action.ActionServlet.process(Unknown Source)
at org.apache.struts.action.ActionServlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:738)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)
at
com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1655)
at
com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1595)
at
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:131)
at
com.ibm.ws.console.core.servlet.WSCUrlFilter.setUpCommandAssistence(WSCUrlFilter.java:927)
at
com.ibm.ws.console.core.servlet.WSCUrlFilter.continueStoringTaskState(WSCUrlFilter.java:494)
at
com.ibm.ws.console.core.servlet.WSCUrlFilter.doFilter(WSCUrlFilter.java:315)
at
com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:188)
at
com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:116)
at
com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:77)
at
com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:908)
at
com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:932)
at
com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:500)
at
com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.handleRequest(ServletWrapperImpl.java:178)
at
com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:91)
at
com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:864)
at
com.ibm.ws.webcontainer.WSWebContainer.handleRequest(WSWebContainer.java:1583)
at
com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:186)
at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:455)
at
com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:384)
at
com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:83)
at
com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1772)
at
com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
at
com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at
com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at
com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1550)
Caused by: java.lang.RuntimeException: exception invoking: create
at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:148)
at org.jboss.seam.Component.callComponentMethod(Component.java:2171)
at org.jboss.seam.Component.callCreateMethod(Component.java:2094)
at org.jboss.seam.Component.newInstance(Component.java:2054)
... 104 more
Caused by: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:600)
at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
at
org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
at
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
at
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44)
at
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
at
org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
at
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166)
at
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102)
at
org.drools.guvnor.server.repository.RepositoryStartupService_$$_javassist_1.create(RepositoryStartupService_$$_javassist_1.java)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:48)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:600)
at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:138)
... 107 more
Caused by: java.lang.NoSuchMethodError:
javax/jcr/Repository.login(Ljavax/jcr/Credentials;)Ljavax/jcr/Session;
at
org.drools.guvnor.server.repository.RepositoryStartupService.newSession(RepositoryStartupService.java:151)
at
org.drools.guvnor.server.repository.RepositoryStartupService.create(RepositoryStartupService.java:72)
... 128 more
Am I missing some libraries or something in the process. Please let me know.
Thanks!
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14 years, 9 months
[Drools Flow] Stop a timer event
by JAMAL Moundir (EXT)
Hello,
I'm using Drools Flow 5, I have N Message events waiting for a signal to be started, I want to launch a Timer in the beginning of my WorkFlow, if one of the event is received, then I want to stop the Timer and execute my workflow, else I want to execute another branch of my workflow.
For example :
1- Start
- Launch the Timer of 30s
- Wait for a Message (external event)
2- Case 1 : External event received before 30s
- Execute SubProcess 1 and stop the Timer
Case 2 : Timer reached 30s
- Execute SubProecss 2 and ignore the external event
How can I stop the Timer when the case 1 is verified ? Can I do such as thing with Drools Flow ?
In my current implementation even when the case 1 is verified, after the 30s the subProcess2 is also executed !
Did someone implement such us thing
Thanks,
Regards
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14 years, 9 months
Manuel's Analysis of JBRULES-2887 (NPE in AccumulateNode.java:967)
by Wolfgang Laun
Thanks a lot, and I've added your analysis as a comment to JBRULES-2887.
Wolfgang
2011/4/3 Manuel Ortiz <manuel.ortizramos(a)gmail.com>
> Hi Wolfgang:
>
> I write to you concerning JIRA
> https://issues.jboss.org/browse/JBRULES-2887, which the SampleAlarmRules
> scenario which was attached to this discussion was added in.
>
> I've executed several times the SampleAlarmRules scenario and found that
> the problem in that scenario is the existence of a JoinNode (Node 18) which
> feeds two nodes, a JoinNode (Node 20) and an AccumlateNode (Node 25, the one
> in which NPE occurs). I've seen that the child tuples of a join node are
> interconnected via pointers and that those connections must be updated every
> time a parent tuple of the join node is modified, via reAddLeft and
> reAddRight tuple methods. When a JoinNode feeds two or more nodes, the child
> tuples are interconnected in a ordered way that mixes tuples with different
> sinks.
>
> In the SampleAlarmRules scenario, when JoinNode18 is right modified, the
> CompositeLeftTupleSinkAdapter processes several child tuples, but only the
> last one is returned and reAddLeft'ed, hence breaking the child tuple
> relations which it seems necessary to keep rete coherence. After this right
> modify, the next left modify fails because a child tuple related to one node
> of the composite sink is used to check the next operation to do in another
> sink node different from the first one. This leads to a chain of incorrect
> assertions which ends in the AccumulateNode NPE.
>
> I've rewriten my rules in order to JoinNode18 feeds only AccumulateNode25
> thus avoiding the NPE and returning to my user role. However I am not sure
> if any CompositeSink starting at a JoinNode will have this or other problems
> when being left or right modified. I hope this information helps to solve
> this problem.
>
> Best regards,
>
> Manuel Ortiz.
>
>
> 2011/3/31 Wolfgang Laun <wolfgang.laun(a)gmail.com>
>
>>
>>
>> 2011/3/31 Manuel Ortiz <manuel.ortizramos(a)gmail.com>
>>
>>> Hi Wofgang:
>>>
>>> Thank youvery much for your response. I was replaying to Mauricio when
>>> your email has arrived. I hope the test case is useful.
>>>
>>>
>> Thanks. Files are attached to the JIRA and JIRA is now at "critical".
>> -W
>>
>>
>>> Best regards,
>>>
>>> Manuel Ortiz.
>>>
>>>
>>> 2011/3/31 Wolfgang Laun <wolfgang.laun(a)gmail.com>
>>>
>>>> Manuel,
>>>>
>>>> I have reported this (or a very similar) problem
>>>> https://issues.jboss.org/browse/JBRULES-2887 with a small example to
>>>> reproduce.
>>>>
>>>> The stack trace is not identical, so please try to reproduce this with a
>>>> small test case; it is bound to happen with a rule (Test Negativo Alarma
>>>> Acceso Portal Ubicacion UM) that modifies some fact that is used in an
>>>> "accumulate" phrase, (If this pattern is different from the one I gave, I'll
>>>> raise the issue priority to "critical".)
>>>>
>>>> Cheers
>>>> Wolfgang
>>>>
>>>>
>>>> 2011/3/30 Manuel Ortiz <manuel.ortizramos(a)gmail.com>
>>>>
>>>>> Hello all!
>>>>>
>>>>> I am new in Drools but day by day, test by test, I think I get a bit
>>>>> more knowledge of how the rule engine works from user point of view. I've
>>>>> been adding rules to an alarm system, increasing the complexity and
>>>>> functionality in several steps. Unfortunately in the last step I found the
>>>>> following NullPointerException inside the rule engine...
>>>>>
>>>>> java.lang.NullPointerException
>>>>> at
>>>>> org.drools.reteoo.AccumulateNode.getFirstMatch(AccumulateNode.java:967)
>>>>> at
>>>>> org.drools.reteoo.AccumulateNode.modifyLeftTuple(AccumulateNode.java:329)
>>>>> at
>>>>> org.drools.reteoo.SingleLeftTupleSinkAdapter.propagateModifyChildLeftTuple(SingleLeftTupleSinkAdapter.java:239)
>>>>> at
>>>>> org.drools.reteoo.AccumulateNode.evaluateResultConstraints(AccumulateNode.java:640)
>>>>> at
>>>>> org.drools.reteoo.AccumulateNode.assertObject(AccumulateNode.java:270)
>>>>> at org.drools.reteoo.BetaNode.modifyObject(BetaNode.java:312)
>>>>> at
>>>>> org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:460)
>>>>> at
>>>>> org.drools.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:428)
>>>>> at org.drools.reteoo.AlphaNode.modifyObject(AlphaNode.java:160)
>>>>> at
>>>>> org.drools.reteoo.CompositeObjectSinkAdapter.doPropagateModifyObject(CompositeObjectSinkAdapter.java:460)
>>>>> at
>>>>> org.drools.reteoo.CompositeObjectSinkAdapter.propagateModifyObject(CompositeObjectSinkAdapter.java:428)
>>>>> at
>>>>> org.drools.reteoo.ObjectTypeNode.modifyObject(ObjectTypeNode.java:263)
>>>>> at
>>>>> org.drools.reteoo.EntryPointNode.modifyObject(EntryPointNode.java:172)
>>>>> at
>>>>> org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:1442)
>>>>> at
>>>>> org.drools.common.AbstractWorkingMemory.update(AbstractWorkingMemory.java:1349)
>>>>> at
>>>>> org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:183)
>>>>> at
>>>>> org.drools.base.DefaultKnowledgeHelper.update(DefaultKnowledgeHelper.java:196)
>>>>> at
>>>>> es.simcasva.alarmas.rules.Rule_Test_Negativo_Alarma_Acceso_Portal_Ubicacion_UM_0.defaultConsequence(Rule_Test_Negativo_Alarma_Acceso_Portal_Ubicacion_UM_0.java:18)
>>>>> at
>>>>> es.simcasva.alarmas.rules.Rule_Test_Negativo_Alarma_Acceso_Portal_Ubicacion_UM_0DefaultConsequenceInvoker.evaluate(Rule_Test_Negativo_Alarma_Acceso_Portal_Ubicacion_UM_0DefaultConsequenceInvoker.java:44)
>>>>> at
>>>>> org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:917)
>>>>> at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:856)
>>>>> at
>>>>> org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1071)
>>>>> at
>>>>> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:785)
>>>>> at
>>>>> org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:751)
>>>>> at
>>>>> org.drools.impl.StatefulKnowledgeSessionImpl.fireAllRules(StatefulKnowledgeSessionImpl.java:218)
>>>>>
>>>>> I've been trying to find the problem, and found a strange interaction
>>>>> between three rules that makes the null pointer to appear. The alarm system
>>>>> has many rules now and it is difficult to simplify the scenario, so I just
>>>>> would like to know what is the funcion of AccumulateNode object in order to
>>>>> have an idea of the NullPointerException possible cause.
>>>>>
>>>>> Can anyone help me?
>>>>>
>>>>> Thank you in advance for your time.
>>>>>
>>>>> Regards,
>>>>>
>>>>> Manuel Ortiz.
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> rules-users mailing list
>>>>> rules-users(a)lists.jboss.org
>>>>> https://lists.jboss.org/mailman/listinfo/rules-users
>>>>>
>>>>>
>>>>
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>>>>
>>>>
>>>
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>>>
>>>
>>
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>
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14 years, 9 months
