[rules-users] error while creating a pkg using brms

Prem Kumar L Wed, 25 Jun 2008 05:49:14 -0700

Hi,
I tried building a pkg using drools brms 4.0.7. This is the error I got when I validated my drl file:

java.lang.reflect.InvocationTargetException 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:585) at org.jboss.seam.util.Reflections.invoke(Reflections.java:21) 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:31) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.security.SecurityInterceptor.aroundInvoke(SecurityInterceptor.java:40) at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68) at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106) at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:155) at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:91) at org.drools.brms.server.ServiceImplementation_$$_javassist_3.buildAsset(ServiceImplementation_$$_javassist_3.java) 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:585) at org.jboss.seam.remoting.gwt.GWTToSeamAdapter.callWebRemoteMethod(GWTToSeamAdapter.java:74) at org.jboss.seam.remoting.gwt.GWTRemoteServiceServlet.processCall(GWTRemoteServiceServlet.java:290) at org.jboss.seam.remoting.gwt.GWTRemoteServiceServlet.doPost(GWTRemoteServiceServlet.java:172) at javax.servlet.http.HttpServlet.service(HttpServlet.java:710) at javax.servlet.http.HttpServlet.service(HttpServlet.java:803) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.seam.web.ContextFilter$1.process(ContextFilter.java:42) at org.jboss.seam.servlet.ContextualHttpServletRequest.run(ContextualHttpServletRequest.java:46) at org.jboss.seam.web.ContextFilter.doFilter(ContextFilter.java:37) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179) at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446) at java.lang.Thread.run(Thread.java:595) Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:620) at org.drools.rule.MapBackedClassLoader.fastFindClass(MapBackedClassLoader.java:71) at org.drools.rule.MapBackedClassLoader.loadClass(MapBackedClassLoader.java:90) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.drools.rule.PackageCompilationData$PackageClassLoader.loadClass(PackageCompilationData.java:358) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at org.drools.base.ClassTypeResolver.resolveType(ClassTypeResolver.java:146) at org.drools.rule.builder.dialect.mvel.MVELDialect.addImport(MVELDialect.java:257) at org.drools.compiler.DialectRegistry.addImport(DialectRegistry.java:98) at org.drools.compiler.PackageBuilder.mergePackage(PackageBuilder.java:377) at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:264) at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:167) at org.drools.brms.server.builder.ContentPackageAssembler.addDrl(ContentPackageAssembler.java:214) at org.drools.brms.server.builder.ContentPackageAssembler.preparePackage(ContentPackageAssembler.java:164) at org.drools.brms.server.builder.ContentPackageAssembler.<init>(ContentPackageAssembler.java:102) at org.drools.brms.server.ServiceImplementation.buildAsset(ServiceImplementation.java:867) ... 51 more

Following is my setup:

Package name: org.domain
Technical Asset: CreditCkecker.drl

CreditChecker.drl:
rule "Credit Eligibility"
    no-loop true
    when
        cc : CreditCard( age > 18, annualIncome > 50000, asset> 500000 )
    then
        cc.setEligibilityStatus( "Eligible for credit card" );
        System.out.println("Valid Credit Score ");
        modify(cc) {};
end

Model: CreditChecker.jar
The jar contains CreditCard.java (attached)

Any pointers on why the error occurs ?
Thanks
Prem

//
// This file was generated by the JavaTM Architecture for XML Binding(JAXB) 
Reference Implementation, vhudson-jaxb-ri-2.1-558 
// See <a href="http://java.sun.com/xml/jaxb";>http://java.sun.com/xml/jaxb</a> 
// Any modifications to this file will be lost upon recompilation of the source 
schema. 
// Generated on: 2008.06.23 at 11:49:08 AM IST 
//



package org.domain;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlType;


/**
 * <p>Java class for CreditCard complex type.
 * 
 * <p>The following schema fragment specifies the expected content contained 
within this class.
 * 
 * <pre>
 * &lt;complexType name="CreditCard">
 *   &lt;complexContent>
 *     &lt;restriction base="{http://www.w3.org/2001/XMLSchema}anyType";>
 *       &lt;sequence>
 *         &lt;element name="name" 
type="{http://www.w3.org/2001/XMLSchema}string"/>
 *         &lt;element name="age" type="{http://www.w3.org/2001/XMLSchema}int"/>
 *         &lt;element name="annualIncome" 
type="{http://www.w3.org/2001/XMLSchema}double"/>
 *         &lt;element name="asset" 
type="{http://www.w3.org/2001/XMLSchema}double"/>
 *         &lt;element name="eligibilityStatus" 
type="{http://www.w3.org/2001/XMLSchema}string"/>
 *       &lt;/sequence>
 *     &lt;/restriction>
 *   &lt;/complexContent>
 * &lt;/complexType>
 * </pre>
 * 
 * 
 */
@XmlAccessorType(XmlAccessType.FIELD)
@XmlType(name = "CreditCard", propOrder = {
    "name",
    "age",
    "annualIncome",
    "asset",
    "eligibilityStatus"
})
public class CreditCard {

    @XmlElement(required = true)
    protected String name;
    protected int age;
    protected double annualIncome;
    protected double asset;
    @XmlElement(required = true)
    protected String eligibilityStatus;

    /**
     * Gets the value of the name property.
     * 
     * @return
     *     possible object is
     *     [EMAIL PROTECTED] String }
     *     
     */
    public String getName() {
        return name;
    }

    /**
     * Sets the value of the name property.
     * 
     * @param value
     *     allowed object is
     *     [EMAIL PROTECTED] String }
     *     
     */
    public void setName(String value) {
        this.name = value;
    }

    /**
     * Gets the value of the age property.
     * 
     */
    public int getAge() {
        return age;
    }

    /**
     * Sets the value of the age property.
     * 
     */
    public void setAge(int value) {
        this.age = value;
    }

    /**
     * Gets the value of the annualIncome property.
     * 
     */
    public double getAnnualIncome() {
        return annualIncome;
    }

    /**
     * Sets the value of the annualIncome property.
     * 
     */
    public void setAnnualIncome(double value) {
        this.annualIncome = value;
    }

    /**
     * Gets the value of the asset property.
     * 
     */
    public double getAsset() {
        return asset;
    }

    /**
     * Sets the value of the asset property.
     * 
     */
    public void setAsset(double value) {
        this.asset = value;
    }

    /**
     * Gets the value of the eligibilityStatus property.
     * 
     * @return
     *     possible object is
     *     [EMAIL PROTECTED] String }
     *     
     */
    public String getEligibilityStatus() {
        return eligibilityStatus;
    }

    /**
     * Sets the value of the eligibilityStatus property.
     * 
     * @param value
     *     allowed object is
     *     [EMAIL PROTECTED] String }
     *     
     */
    public void setEligibilityStatus(String value) {
        this.eligibilityStatus = value;
    }

}

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[rules-users] error while creating a pkg using brms

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