[rules-users] Invalid MagicNumber when validating package.

Sarath PS sarath.ps at gmail.com
Sat Feb 2 03:47:24 EST 2008 

I faced a similar problem recently. When I created the jar from the
command prompt it got solved. I think some thing was wrong in the way
I created jar inside eclipse. You may want to try out that once


Sarath

On Jan 31, 2008 11:56 PM, Mark Proctor <mproctor at codehaus.org> wrote:
>
>  Normally that means there is something wrong with your .jar, are you sure
> there are .class files in there and not .java? We don't compile .jars we
> only add them to the classpath.
>
>  Mark
>  Darko Ivancan wrote:
>
>  Product: JBoss DRools
> Version: 4.0.3
> JDK: 1.5.0_12
> OS: Windows XP SP2
> AS: JBoss 4.2.2GA
>
> Hi,
>
> Sorry haven't been on the list for a while, busy with a project, which keeps
> me now really busy.
> We have here an exception which does not seem to make any sense and we're a
> bit lost in the why and where this happens.
>
> Any help will be appreciated.
> Thanks,
> Darko IVANCAN
> ----------------------------------
> Steps to reproduce:
>
> 1. Log in to jBRMS
> 2. Created Package as "com.xyz.abcservice.rules"
> 3. Imported two jars ("rulescore.jar"," sampleDomain.jar") into Model.
> 4. Created New Rule with the following content
>
>  package com.xyz.abcservice.rules;
>
>  import domain.Accommodation1;
>  import java.util.List;
>  import com.xyz.common.rules.api.GenericRuleViolation;
>
>  global java.util.List errList;
>
>  rule "Conflict Rule 1"
>  when
>  accommodation1:Accommodation1(name == "Car")
>  accommodation2:Accommodation1(name == "Caravan")
>  then
>  errList.add(new
>  GenericRuleViolation(accommodation1,"Invalid cabin combination."));
>  end
>
>
> 4. Validate it…
>
> ------------Output------------------
> An error occurred executing the action.
>
> Details
>
> <!-- AppServer Exceptions moved below this exception for readability--!>
>
> Caused by: java.lang.ClassFormatError: Incompatible magic value 1885430635
> in class file domain/Accommodation1
>  at java.lang.ClassLoader.defineClass1(Native Method)
>  at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
>  at
> org.drools.rule.MapBackedClassLoader.fastFindClass(MapBackedClassLoader.java:60)
>  at
> org.drools.rule.MapBackedClassLoader.loadClass(MapBackedClassLoader.java:79)
>  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:254)
>  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.contenthandler.DecisionTableXLSHandler.compile(DecisionTableXLSHandler.java:63)
>  at
> org.drools.brms.server.builder.ContentPackageAssembler.buildAsset(ContentPackageAssembler.java:139)
>  at
> org.drools.brms.server.builder.ContentPackageAssembler.<init>(ContentPackageAssembler.java:103)
>  at
> org.drools.brms.server.ServiceImplementation.buildAsset(ServiceImplementation.java:867)
>  ... 51 more
>
>
> <!-- AppServer Exceptions: --!>
>
> 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)
>
>  ________________________________
>
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