it is 1.3.1 for jdk 1.4, the original one from 4.0.7 download. is it safe to use a mvel lib for jdk 1.5? shall i grab 1.3.9 or the latest(1.3.15) since i want to be conservative with a version well accepted by drools?
thanks! Jeff ________________________________ From: Edson Tirelli <[EMAIL PROTECTED]> To: Rules Users List <[email protected]> Sent: Wednesday, November 19, 2008 6:46:09 AM Subject: Re: [rules-users] intermittent error from mvel Jeff, What mvel version are you using? (take a look at the jar name) If it is not 1.3.9, try it out to check if the problem still happens. []s Edson 2008/11/19 hongyu lu <[EMAIL PROTECTED]> Hi, I am seeking some help here for a very weird issue we ran into with drools 4.0.7. The error is intermittent but once happens it will be consistent for the rest rule evaluation. We have a fact object called com.like.rules.facts.AllocationFact. But somehow the class name was messed up when passed to mvel for accessor optimization:com.like.rules.facts.AllocationFact.facts.AllocationFact.facts.AllocationFac t. Some parsing related problem? Any advice on how to debug this kind issues? thanks a lot for your help! Jeff org.drools.spi.ConsequenceException: org.mvel.CompileException: class or class reference not found: com.like.rules.facts.AllocationFact.facts.AllocationFact.facts.AllocationFac t() at org.drools.base.DefaultConsequenceExceptionHandler.handleException(DefaultCo nsequenceExceptionHandler.java:13) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:558) at org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:518) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.j ava:475) at org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.j ava:439) at com.like.ab.ABServiceImpl.determineAttributes(ABServiceImpl.java:125) at com.like.ab.ABServiceImpl.getCustomer(ABServiceImpl.java:90) at com.like.ab.ABServiceImpl.getAttributes(ABServiceImpl.java:52) at com.like.ab.ABRequestContextImpl.conditionallyInit(ABRequestContextImpl.java :130) at com.like.ab.ABRequestContextImpl.<init>(ABRequestContextImpl.java:39) at com.like.ab.ABRequestContextImpl.<init>(ABRequestContextImpl.java:32) at com.like.ab.ABServletRequestFilter.allocateLazyInitableRequestContext(ABServ letRequestFilter.java:110) at com.like.ab.ABServletRequestFilter.doFilter(ABServletRequestFilter.java:56) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java :70) at com.like.web.LikeWWWRequestFilter.wrapWithLikeWWWRequestContext(LikeWWWReque stFilter.java:114) at com.like.web.LikeWWWRequestFilter.doFilter(LikeWWWRequestFilter.java:74) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java :70) at com.like.web.ExceptionHandlerFilter.doFilter(ExceptionHandlerFilter.java:80) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java :70) at com.caucho.filters.XsltFilter.doFilter(XsltFilter.java:121) at com.like.web.LikeXsltFilter.doFilter(LikeXsltFilter.java:22) at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java :70) at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:1 63) at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java: 208) at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:259) at com.caucho.server.port.TcpConnection.run(TcpConnection.java:363) at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:490) at com.caucho.util.ThreadPool.run(ThreadPool.java:423) at java.lang.Thread.run(Thread.java:595) Caused by: org.mvel.CompileException: class or class reference not found: com.like.rules.facts.AllocationFact.facts.AllocationFact.facts.AllocationFac t() at org.mvel.optimizers.impl.asm.ASMAccessorOptimizer.optimizeObjectCreation(ASM AccessorOptimizer.java:1842) at org.mvel.ast.NewObjectNode.getReducedValueAccelerated(NewObjectNode.java:191 ) at org.mvel.ExecutableAccessor.getValue(ExecutableAccessor.java:45) at org.mvel.ast.TypedVarNode.getReducedValueAccelerated(TypedVarNode.java:43) at org.mvel.MVELRuntime.execute(MVELRuntime.java:90) at org.mvel.CompiledExpression.getValue(CompiledExpression.java:111) at org.mvel.MVEL.executeExpression(MVEL.java:235) at org.drools.base.mvel.MVELConsequence.evaluate(MVELConsequence.java:48) at org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:554) ... 27 more _______________________________________________ rules-users mailing list [email protected] https://lists.jboss.org/mailman/listinfo/rules-users -- Edson Tirelli JBoss Drools Core Development JBoss, a division of Red Hat @ www.jboss.com
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