worse case is we switch to java dialect, although we do need to use jbrms for rule maintenance. is there a way to force jbrms to use java dialect globally(i tried dialect "java" in the package header, but didn't seem to work)? we could force java dialect on each rule but we really want to avoid that. and what would be the down side of not using mvel dialect in jbrms?
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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