[rules-users] Invalid MagicNumber when validating package.

Thu Jan 31 13:26:20 EST 2008

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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