[rules-users] Drools With Spring Framework Problem
Niyas
niyasahmed at gmail.com
Tue Feb 20 07:22:28 EST 2007
Hi,
WIKI Knowledgebase have a solution for the error
like:org.eclipse.jdt.internal.compiler.CompilationResult.getProblems()[Lorg/eclipse/jdt/core/compiler/CategorizedProblem;
I have added the JANINO compiler in the PackageBuilderConfiguration in
the Java Code: But It's not resolving my problem and the same error
message is coming:
My Code:
public class RuleBaseBeanFactory implements FactoryBean, InitializingBean {
private List<Resource> drlResourceList;
private RuleBase ruleBase;
private PackageBuilderConfiguration packageBuilderConfiguration;
public void setDrlResourceList(List<Resource> drlResourceList) {
this.drlResourceList = drlResourceList;
}
public void afterPropertiesSet() throws Exception {
Assert.notEmpty(drlResourceList, "drlResourceList must not be empty");
PackageBuilder builder = (packageBuilderConfiguration != null
? new PackageBuilder(packageBuilderConfiguration) : new
PackageBuilder());
packageBuilderConfiguration.setCompiler(packageBuilderConfiguration.JANINO);
for (Resource resource : drlResourceList) {
builder.addPackageFromDrl(new
InputStreamReader(resource.getInputStream())); // TODO will use
default encoding which might not be wanted
}
ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage(builder.getPackage());
}
public RuleBase getObject() {
return ruleBase;
}
public Class getObjectType() {
return RuleBase.class;
}
public boolean isSingleton() {
return true;
}
public void
setPackageBuilderConfiguration(PackageBuilderConfiguration
packageBuilderConfiguration) {
this.packageBuilderConfiguration = packageBuilderConfiguration;
}
}
Please suggest a solution..
On 2/20/07, Niyas <niyasahmed at gmail.com> wrote:
> Hi Edson,
>
> Thanks for your reply.
>
> Yes, you are correct and I have changed the operator ">" . But I am
> getting some other error now.
>
> javax.servlet.ServletException: Servlet.init() for servlet insurance
> threw exception
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
> java.lang.Thread.run(Thread.java:595)
>
>
> root cause
>
> org.springframework.beans.factory.BeanCreationException: Error
> creating bean with name '/home.htm' defined in ServletContext resource
> [/WEB-INF/insurance-servlet.xml]: Cannot resolve reference to bean
> 'ruleBase' while setting bean property 'ruleBase'; nested exception is
> org.springframework.beans.factory.BeanCreationException: Error
> creating bean with name 'ruleBase' defined in ServletContext resource
> [/WEB-INF/insurance-servlet.xml]: Initialization of bean failed;
> nested exception is java.lang.NoSuchMethodError:
> org.eclipse.jdt.internal.compiler.CompilationResult.getProblems()[Lorg/eclipse/jdt/core/compiler/CategorizedProblem;
> org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueResolver.java:190)
> org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:106)
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1046)
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:857)
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:378)
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:233)
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:145)
> org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:537)
> org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.registerHandler(AbstractUrlHandlerMapping.java:186)
> org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping.initApplicationContext(BeanNameUrlHandlerMapping.java:62)
> org.springframework.context.support.ApplicationObjectSupport.setApplicationContext(ApplicationObjectSupport.java:73)
> org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:84)
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:277)
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:395)
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:233)
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:145)
> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:283)
> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:313)
> org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:139)
> org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:306)
> org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:251)
> org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:220)
> org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:112)
> javax.servlet.GenericServlet.init(GenericServlet.java:211)
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
> java.lang.Thread.run(Thread.java:595)
>
>
> And also while I starting the tomcat, in the server console the same
> error message is displaying:
>
> Feb 20, 2007 5:00:15 PM org.apache.coyote.http11.Http11BaseProtocol start
> INFO: Starting Coyote HTTP/1.1 on http-8080
> Feb 20, 2007 5:00:16 PM org.apache.jk.common.ChannelSocket init
> INFO: JK: ajp13 listening on /0.0.0.0:8009
> Feb 20, 2007 5:00:16 PM org.apache.jk.server.JkMain start
> INFO: Jk running ID=0 time=0/31 config=null
> Feb 20, 2007 5:00:16 PM org.apache.catalina.storeconfig.StoreLoader load
> INFO: Find registry server-registry.xml at classpath resource
> Feb 20, 2007 5:00:16 PM org.apache.catalina.startup.Catalina start
> INFO: Server startup in 9609 ms
> java.lang.NoSuchMethodError:
> org.eclipse.jdt.internal.compiler.CompilationResult
> .getProblems()[Lorg/eclipse/jdt/core/compiler/CategorizedProblem;
> at
> org.apache.commons.jci.compilers.EclipseJavaCompiler$2.acceptResult(E
> clipseJavaCompiler.java:237)
> at
> org.eclipse.jdt.internal.compiler.Compiler.compile(Compiler.java:335)
>
> at
> org.apache.commons.jci.compilers.EclipseJavaCompiler.compile(EclipseJ
> avaCompiler.java:268)
> at org.drools.compiler.PackageBuilder.compileAll(Unknown Source)
> at org.drools.compiler.PackageBuilder.addPackage(Unknown Source)
> at org.drools.compiler.PackageBuilder.addPackageFromDrl(Unknown
> Source)
> at
> com.sample.RuleBaseBeanFactory.afterPropertiesSet(RuleBaseBeanFactory
> .java:31)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBean
> Factory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1091)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBean
> Factory.createBean(AbstractAutowireCapableBeanFactory.java:396)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean
> (AbstractBeanFactory.java:233)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean
> (AbstractBeanFactory.java:145)
> at
> org.springframework.beans.factory.support.BeanDefinitionValueResolver
> .resolveReference(BeanDefinitionValueResolver.java:186)
> at
> org.springframework.beans.factory.support.BeanDefinitionValueResolver
> .resolveValueIfNecessary(BeanDefinitionValueResolver.java:106)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBean
> Factory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1046)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBean
> Factory.populateBean(AbstractAutowireCapableBeanFactory.java:857)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBean
> Factory.createBean(AbstractAutowireCapableBeanFactory.java:378)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean
> (AbstractBeanFactory.java:233)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean
> (AbstractBeanFactory.java:145)
> at
> org.springframework.context.support.AbstractApplicationContext.getBea
> n(AbstractApplicationContext.java:537)
> at
> org.springframework.web.servlet.handler.AbstractUrlHandlerMapping.reg
> isterHandler(AbstractUrlHandlerMapping.java:186)
> at
> org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping.ini
> tApplicationContext(BeanNameUrlHandlerMapping.java:62)
> at
> org.springframework.context.support.ApplicationObjectSupport.setAppli
> cationContext(ApplicationObjectSupport.java:73)
> at
> org.springframework.context.support.ApplicationContextAwareProcessor.
> postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:84)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBean
> Factory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanF
> actory.java:277)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBean
> Factory.createBean(AbstractAutowireCapableBeanFactory.java:395)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean
> (AbstractBeanFactory.java:233)
> at
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean
> (AbstractBeanFactory.java:145)
> at
> org.springframework.beans.factory.support.DefaultListableBeanFactory.
> preInstantiateSingletons(DefaultListableBeanFactory.java:283)
> at
> org.springframework.context.support.AbstractApplicationContext.refres
> h(AbstractApplicationContext.java:313)
> at
> org.springframework.web.context.support.AbstractRefreshableWebApplica
> tionContext.refresh(AbstractRefreshableWebApplicationContext.java:139)
> at
> org.springframework.web.servlet.FrameworkServlet.createWebApplication
> Context(FrameworkServlet.java:306)
> at
> org.springframework.web.servlet.FrameworkServlet.initWebApplicationCo
> ntext(FrameworkServlet.java:251)
> at
> org.springframework.web.servlet.FrameworkServlet.initServletBean(Fram
> eworkServlet.java:220)
> at
> org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.
> java:112)
> at javax.servlet.GenericServlet.init(GenericServlet.java:211)
> at
> org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.
> java:1105)
> at
> org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.jav
> a:757)
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
> alve.java:130)
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
> alve.java:178)
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
> ava:126)
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
> ava:105)
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
> ve.java:107)
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
> a:148)
> at
> org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
> :869)
> at
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.p
> rocessConnection(Http11BaseProtocol.java:664)
> at
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
> int.java:527)
> at
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
> lowerWorkerThread.java:80)
> at
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
> ool.java:684)
> at java.lang.Thread.run(Thread.java:595)
>
>
> On 2/20/07, Edson Tirelli <tirelli at post.com> wrote:
> >
> > Hi Niyas,
> >
> > This is something I faced yesterday but did not had the time to work
> > on it yet. Basically, 2 problems:
> >
> > 1. Error message is crap... we need to improve that.
> >
> > 2. It should not be raising any error. The error means you have a String
> > attribute you are trying to compare using operators like >, <, >=, <=.
> > Example:
> >
> > Person( name > 'Edson' )
> >
> > And I think the above should work but is not working. I will open a
> > JIRA for that.
> > Meanwhile, if you need to have such constraint, a workaround is to
> > use a predicate:
> >
> > Person( $n : name, ( $n.compareTo( 'Edson' ) > 0 ) )
> >
> > []s
> > Edson
> >
> >
> > Niyas wrote:
> >
> > > I have tried of using the sample coding given the link given by you:
> > > But i am getting the following error:
> > > org.springframework.beans.factory.BeanCreationException: Error
> > > creating bean with name 'ruleBase' defined in ServletContext resource
> > > [/WEB-INF/insurance-servlet.xml]: Initialization of bean failed;
> > > nested exception is java.lang.RuntimeException: Operator '40' does not
> > > exist for StringEvaluator
> > >
> >
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:403)
> > >
> > >
> >
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:233)
> > >
> > >
> >
> org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:145)
> > >
> > >
> >
> org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:277)
> > >
> > >
> >
> org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:313)
> > >
> > >
> >
> org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:139)
> > >
> > >
> >
> org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:306)
> > >
> > >
> >
> org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:251)
> > >
> > >
> >
> org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:220)
> > >
> > >
> >
> org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:112)
> > >
> > > javax.servlet.GenericServlet.init(GenericServlet.java:211)
> > >
> >
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
> > >
> > >
> >
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
> > >
> > >
> > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
> > >
> > >
> >
> org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
> > >
> > >
> >
> org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
> > >
> > >
> >
> org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
> > >
> > >
> >
> org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
> > >
> > > java.lang.Thread.run(Thread.java:595)
> > > ========================================================
> > > My insurance-servlet.xml:
> > > <beans>
> > > <!-- default handlermapping -->
> > > <bean id="beanNameUrlMapping"
> > >
> >
> class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
> > >
> > >
> > > <bean name="/home.htm" class="com.sample.InsuranceController"
> > > singleton="false">
> > > <property name="ruleBase">
> > > <ref bean="ruleBase"/>
> > > </property>
> > > <property name="insurBean">
> > > <ref bean="insurance"/>
> > > </property>
> > > </bean>
> > >
> > > <!-- View Resolver -->
> > > <bean id="viewResolver"
> > >
> class="org.springframework.web.servlet.view.InternalResourceViewResolver">
> > >
> > > <property name="prefix">
> > > <value>/WEB-INF/jsp/</value>
> > > </property>
> > > <property name="suffix">
> > > <value>.jsp</value>
> > > </property>
> > > </bean>
> > >
> > > <!-- Bean -->
> > > <bean id="insurance" class="com.sample.InsuranceBean"/>
> > >
> > >
> > > <bean id="ruleBase" class="com.sample.RuleBaseBeanFactory">
> > > <property name="drlResourceList">
> > > <list>
> > > <value
> > >
> >
> type="org.springframework.core.io.Resource">classpath:/com/sample/Approval.drl</value>
> > >
> > > </list>
> > > </property>
> > >
> > > <property name="packageBuilderConfiguration">
> > > <bean
> > > class="org.drools.compiler.PackageBuilderConfiguration">
> > > <property name="javaLanguageLevel" value="1.5"/>
> > > </bean>
> > > </property>
> > > </bean>
> > > </beans>
> > >
> > >
> > >
> > > On 2/19/07, Olenin, Vladimir (MOH) <Vladimir.Olenin at moh.gov.on.ca>
> wrote:
> > >
> > >> Check out 'Spring Modules' subproject - it has a DROOLS integration
> > >> module.
> > >> Haven't used it myself yet, so not sure whether it's
> > >> mature/compatible with
> > >> most recent release.
> > >>
> > >>
> >
> https://springmodules.dev.java.net/docs/reference/0.7/html/jsr94.html#d0e570
> > >>
> > >> 9
> > >>
> > >> https://springmodules.dev.java.net/
> > >>
> > >> Vlad
> > >>
> > >>
> > >> -----Original Message-----
> > >> From: rules-users-bounces at lists.jboss.org
> > >> [mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Niyas
> > >> Sent: 19 February 2007 09:49
> > >> To: rules-users at lists.jboss.org
> > >> Subject: [rules-users] Drools With Spring Framework Problem
> > >>
> > >> Hi all,
> > >>
> > >> I am in need of integrating Drools JBoss Rule Engine with Spring
> > >> Framework.
> > >> I have tried sample rule engine examples in the Drools in the
> > >> standalone with the help od drools IDE for eclipse 3.2.
> > >> And I also tried some example in the Spring Framework,to know how it
> > >> works. I have tried some examples in IOC, MVC and JDBC in the spring
> > >> framework.
> > >>
> > >> Now, I want to use both Drools and Spring Framework in such a way that
> > >> Spring will have the MVC application and it should validate the rules,
> > >> which written in the drools (.drl)
> > >>
> > >> I don't know how to begin with/what are he configuration files needed
> > >> to setup. PLease if anyone have the sample coding on Drools with
> > >> Spring or any other links willl be very useful.
> > >>
> > >> And also, guide me what are the things need to be know for Spring with
> > >> Drools. While I have searched in google, lots of things came up like:
> > >>
> > >> Use JSR94... (which is mentioning to configure RuleServiceProvider,
> > >> RuleRuntime, RuleSet..and others..which seeme to be confusing and not
> > >> clear)
> > >>
> > >> Whether there are any API for drools with spring that DROOLS is
> > >> supporting..like org.drools.spring.metadata.ArgumentMetadataSource. I
> > >> don't find these Drools API section
> > >>
> >
> http://labs.jboss.com/file-access/default/members/jbossrules/freezone/docs/3
> > >>
> > >> .0.5/apidocs/index.html
> > >> _______________________________________________
> > >> rules-users mailing list
> > >> rules-users at lists.jboss.org
> > >> https://lists.jboss.org/mailman/listinfo/rules-users
> > >> _______________________________________________
> > >> rules-users mailing list
> > >> rules-users at lists.jboss.org
> > >> https://lists.jboss.org/mailman/listinfo/rules-users
> > >>
> > > _______________________________________________
> > > rules-users mailing list
> > > rules-users at lists.jboss.org
> > > https://lists.jboss.org/mailman/listinfo/rules-users
> > >
> >
> >
> > --
> > Edson Tirelli
> > Software Engineer - JBoss Rules Core Developer
> > Office: +55 11 3124-6000
> > Mobile: +55 11 9218-4151
> > JBoss, a division of Red Hat @ www.jboss.com
> >
> >
> > _______________________________________________
> > rules-users mailing list
> > rules-users at lists.jboss.org
> > https://lists.jboss.org/mailman/listinfo/rules-users
> >
>
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