[rules-users] Drools 601 kmodule problem when running the drools project in eclipse kepler ide
Mohit Srivastava
srivastavamohit91 at gmail.com
Sun May 25 10:29:47 EDT 2014
Also make sure you update the package in kmodule.xml for a kbase
On Sun, May 25, 2014 at 7:48 PM, Mauricio Salatino <salaboy at gmail.com>wrote:
> Try creating a directory called: *InfectionRules inside the
> src/main/resources/*
> *and then put the rules inside there.*
>
>
> On Sun, May 25, 2014 at 3:04 PM, Natalia Iglesias de Amunategui <
> natalia.iglesias at casadearriba.net> wrote:
>
>> Hello,
>>
>>
>>
>> I am currently working on a Drools project using eclipse kepler and the
>> drools plug-in from drools 601.
>>
>>
>>
>> I have a main java class that contains POJO classes representing facts
>> and the initialization of the kie container and session. When executing the
>> command System.*out*
>> .println(kContainer.verify().getMessages().toString()); I get the
>> following messages:(note the warning “No files found for KieBase
>> InfectionRules, searching folder…”)
>>
>>
>>
>> [main] INFO org.drools.compiler.kie.builder.impl.ClasspathKieProject -
>> Found kmodule:
>> file:/C:/TFM/Infections/Workspace/InfectionRules/VAP/target/META-INF/kmodule.xml
>>
>>
>>
>> [main] INFO org.drools.compiler.kie.builder.impl.KieRepositoryImpl -
>> KieModule was added:FileKieModule[
>> ReleaseId=${project.groupId}:${project.artifactId}:${project.version}file=\TFM\Infections\Workspace\InfectionRules\VAP\target]
>>
>>
>>
>> [main] INFO org.drools.compiler.kie.builder.impl.ClasspathKieProject -
>> Found kmodule:
>> file:/C:/TFM/Infections/Workspace/InfectionRules/VAP/target/META-INF/kmodule.xml
>>
>>
>>
>> [main] INFO org.drools.compiler.kie.builder.impl.KieRepositoryImpl -
>> KieModule was added:FileKieModule[
>> ReleaseId=${project.groupId}:${project.artifactId}:${project.version}file=\TFM\Infections\Workspace\InfectionRules\VAP\target]
>>
>>
>>
>> [main] WARN org.drools.compiler.kie.builder.impl.AbstractKieModule - *No
>> files found for KieBase InfectionRules, searching folder
>> \TFM\Infections\Workspace\InfectionRules\VAP\target*
>>
>> []
>>
>> *java.lang.NullPointerException*
>>
>> at InfectionRules.VAPDroolsTest.main(*VAPDroolsTest.java:62*)
>>
>>
>>
>> The kie initialization module has the following code:
>>
>>
>>
>> *package* InfectionRules;
>>
>>
>>
>> *import* java.util.*;
>>
>> *import* java.util.concurrent.TimeUnit;
>>
>> *import* java.text.DateFormat;
>>
>> *import* java.text.SimpleDateFormat;
>>
>>
>>
>> *import* org.drools.core.time.*;
>>
>> *import* *org.kie.internal*.*;
>>
>>
>>
>>
>>
>> *import* org.kie.api.conf.EventProcessingOption;
>>
>> *import* *org.kie.api.runtime.KieRuntime*;
>>
>> *import* org.kie.api.KieBaseConfiguration;
>>
>> *import* org.kie.api.KieServices;
>>
>> *import* org.kie.api.runtime.KieContainer;
>>
>> *import* org.kie.api.runtime.KieSession;
>>
>> *import* org.kie.api.runtime.KieSessionConfiguration;
>>
>> *import* org.kie.api.runtime.conf.ClockTypeOption;
>>
>> *import* org.kie.api.runtime.rule.EntryPoint;
>>
>> *import* org.kie.api.runtime.rule.FactHandle;
>>
>> *import* *org.kie.api.time.SessionClock*;
>>
>>
>>
>>
>>
>> *public* *static* *void* main(*final* String[] args) {
>>
>> *try* {
>>
>>
>>
>>
>>
>> // load up the knowledge base
>>
>> KieServices ks = KieServices.Factory.*get*();
>>
>> KieContainer kContainer = ks.getKieClasspathContainer();
>>
>> System.*out*
>> .println(kContainer.verify().getMessages().toString());
>>
>> KieSession kSession = kContainer.newKieSession("VAPSession"
>> );
>>
>>
>>
>> // set clock to pseudo clock to be able to advance it
>> manually
>>
>> KieSessionConfiguration ksconf = KieServices.Factory.*get*
>> ().newKieSessionConfiguration();
>>
>> ksconf.setOption(ClockTypeOption.*get*("pseudo"));
>>
>>
>>
>> *SessionPseudoClock* clock = kSession.getSessionClock();
>>
>>
>>
>> // set stream mode as opposite to cloud mode
>>
>> KieBaseConfiguration config = KieServices.Factory.*get*
>> ().newKieBaseConfiguration();
>>
>> config.setOption(EventProcessingOption.*STREAM* );
>>
>>
>>
>> // Insert test patients and related classes
>>
>> // *mr* *Jones* has no VAP, so the *cpi* score is less than
>> 6
>>
>> *final* Patient p1 = *new* Patient( "MrJones", 45, 1,
>> *false*,*false*,*true*,37.0,
>>
>> 5000,"None","No Infiltrate","None","No Growth","S.Aureus"
>> ,235,*true*, *false*, 0,
>>
>> *true*,*new* SimpleDateFormat("yyyy-MM-dd").parse(
>> "2014-05-17"),"",
>>
>> *new* SimpleDateFormat("yyyy-MM-dd").parse("2014-05-17"),
>> *false*,*false*,*false*,*false*);
>>
>>
>>
>> kSession.insert( p1 );
>>
>>
>>
>> // get a reference to the entry point and insert events
>>
>> EntryPoint nursingStream = kSession.getEntryPoint(
>> "NursingStream" );
>>
>>
>>
>> * final* CPIScore cpiScore1 = *new* CPIScore( p1,"initial"
>> ,7);
>>
>> nursingStream.insert( cpiScore1 );
>>
>>
>>
>> *clock.advanceTime( 75, TimeUnit.**HOURS** )*;
>>
>> *final* CPIScore cpiScore2 = *new* CPIScore( p1,"3days",7 );
>>
>> nursingStream..insert( cpiScore2 );
>>
>>
>>
>> I am running this class directly from the Eclipse Run menu option. I have
>> installed maven but I’m not using it (yet)
>>
>>
>>
>> The kmodule.xml file has the following format:
>>
>>
>>
>> <?xml version=*"1.0"* encoding=*"UTF-8"*?>
>>
>> <kmodule xmlns:xsi=*"http://www.w3.org/2001/XMLSchema-instance
>> <http://www.w3.org/2001/XMLSchema-instance>"*
>>
>> xmlns=*"http://jboss.org/kie/6.0.0/kmodule
>> <http://jboss.org/kie/6.0.0/kmodule>"*>
>>
>> <kbase name=*"InfectionRules"* eventProcessingMode=*"stream"*
>> packages=*"InfectionRules"*>
>>
>> <ksession name=*"VAPSession"* type=*"stateful"* clockType=
>> *"pseudo"* />
>>
>> </kbase>
>>
>> </kmodule>
>>
>>
>>
>> (I have tried to change the packages field of kmodule to *, but it does
>> not work either.)
>>
>>
>>
>> And the directory structure where both the java and drl code reside is:
>>
>>
>>
>> C:\TFM\Infections\Workspace\InfectionRules\VAP\src\main
>>
>> Subdirectory java contains the java classes and resources the drl file.
>>
>> The target directory is located under ..\VAP\target\ with the following
>> structure:
>>
>>
>>
>>
>>
>> From Eclipse IDE this is the project structure
>>
>>
>>
>>
>>
>> Any idea as to what I’m doing wrong? I don´t know why the kmodule does
>> not locate the kbase in the directory *\TFM\Infections\Workspace\InfectionRules\VAP\target
>> *as this directory contains the drl file vap.drl in the rules
>> subdirectory. Although I get later a null pointer exception, I guess that
>> it has to do with this warning, as if there is no kbase located no session
>> can be used.
>>
>>
>>
>> Thanks in advance!
>>
>>
>>
>> Best regards
>>
>> Natalia
>>
>>
>>
>>
>>
>>
>>
>>
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>>
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>>
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>>
>
>
>
> --
> - MyJourney @ http://salaboy.com <http://salaboy.wordpress.com>
> - Co-Founder @ http://www.jugargentina.org
> - Co-Founder @ http://www.jbug.com.ar
>
> - Salatino "Salaboy" Mauricio -
>
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