Thanks, will fix that. https://jira.jboss.org/jira/browse/JBRULES-1918
[]s Edson 2009/1/15 Faron Dutton <[email protected]> > I switched to v2.0.6 from v2.0.5 and found a breaking API change. > org.mvel2.compiler.ExpressionCompiler no longer has a method called > setDebugSymbols. ExpressionCompiler now queries ParserContext for this > setting. This affects org.drools.base.mvel.MVELCompilationUnit (line 346) > from drools-core and org.drools.rule.builder.dialect.mvel.MVELDialect (line > 519) from drools-compiler. > > > > *From:* [email protected] [mailto: > [email protected]] *On Behalf Of *Edson Tirelli > *Sent:* Tuesday, January 13, 2009 11:52 AM > *To:* Rules Users List > > *Subject:* Re: [rules-users] No ClassLoaders found for: String > > > > > Thanks, next release will use mvel 2.0.6. > > []s > Edson > > 2009/1/13 Paul Sentosa <[email protected]> > > Yes, it works with 2.0.6. Otherwise I should define the String separately > (String abc = "a string"; list.add(abc); in order for the consequence to be > executed correctly) > > Thanks Edson! > Regards > Paul > > > ------------------------------ > > *From:* Edson Tirelli <[email protected]> > *To:* Rules Users List <[email protected]> > *Sent:* Tuesday, January 13, 2009 5:03:32 PM > *Subject:* Re: [rules-users] No ClassLoaders found for: String > > > > Yes, I see. Can you please manually update your local mvel jar to > version 2.0.6 (latest) and try again? I am talking to the MVEL author to > make sure the problem is fixed in the latest version, but of course, if you > can confirm this on your side, it would be best. > > []s > Edson > > 2009/1/13 psentosa <[email protected]> > > > I'm using maven to manage my libraries, thus I add these line in my > pom.xml: > <dependency> > <groupId>org.drools</groupId> > <artifactId>drools-api</artifactId> > <version>5.0.0.M4</version> > </dependency> > <dependency> > <groupId>org.drools</groupId> > <artifactId>drools-core</artifactId> > <version>5.0.0.M4</version> > </dependency> > > And I can see that mvel2-2.0.4 has been added, besides drools-api and core > 5.0.0.M4 > Thanks for the reply > > > > > Edson Tirelli-3 wrote: > > > > What MVEL version are you using? > > > > []s > > Edson > > > > 2009/1/13 psentosa <[email protected]> > > > >> > >> Hallo, > >> > >> I have a rule like this, defined in Guvnor: > >> when > >> Activity ( $date : date, workingTime > 240) > >> > >> then > >> System.out.println("Working time limit has been reached"); > >> violatedRegulation.add(new String("regulation.general.working1")); > >> > >> > >> violatedRegulation is a List<String> which I set as a global because > >> later > >> on I will extract the content of that list which is a key defined in a > >> properties file > >> > >> ksession.setGlobal("violatedRegulation", violatedRegulation); > >> ksession.executeObject(activity); > >> > >> > >> but then I got the following exception: > >> 15:52:59,687 INFO [STDOUT] Working time limit has been reached > >> 15:52:59,687 ERROR [MyExceptionInterceptor] [Error: could not create > >> constructor: No ClassLoaders found for: String ] > >> [Near : {... Unknown ....}] > >> ^ > >> org.drools.runtime.rule.ConsequenceException: [Error: could not create > >> constructor: No ClassLoaders found for: String ] > >> [Near : {... Unknown ....}] > >> ^ > >> at > >> > >> > org.drools.runtime.rule.impl.DefaultConsequenceExceptionHandler.handleException(DefaultConsequenceExceptionHandler.java:23) > >> at > >> org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:918) > >> at > >> org.drools.common.DefaultAgenda.fireNextItem(DefaultAgenda.java:871) > >> at > >> org.drools.common.DefaultAgenda.fireAllRules(DefaultAgenda.java:1035) > >> at > >> > >> > org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:612) > >> at > >> > >> > org.drools.common.AbstractWorkingMemory.fireAllRules(AbstractWorkingMemory.java:589) > >> at > >> > >> > org.drools.impl.StatelessKnowledgeSessionImpl.executeObject(StatelessKnowledgeSessionImpl.java:158) > >> .................. > >> > >> Caused by: [Error: could not create constructor: No ClassLoaders found > >> for: > >> String ] > >> [Near : {... Unknown ....}] > >> ^ > >> at > >> > >> > org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeObjectCreation(ReflectiveAccessorOptimizer.java:805) > >> at > >> > >> > org.mvel2.optimizers.dynamic.DynamicOptimizer.optimizeObjectCreation(DynamicOptimizer.java:80) > >> at > >> > >> > org.mvel2.ast.NewObjectNode.getReducedValueAccelerated(NewObjectNode.java:148) > >> at > >> > org.mvel2.compiler.ExecutableAccessor.getValue(ExecutableAccessor.java:37) > >> at > >> > >> > org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.getMethod(ReflectiveAccessorOptimizer.java:590) > >> at > >> > >> > org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileGetChain(ReflectiveAccessorOptimizer.java:285) > >> at > >> > >> > org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeAccessor(ReflectiveAccessorOptimizer.java:134) > >> at > >> > >> > org.mvel2.optimizers.dynamic.DynamicOptimizer.optimizeAccessor(DynamicOptimizer.java:61) > >> at > >> org.mvel2.ast.ASTNode.getReducedValueAccelerated(ASTNode.java:127) > >> at org.mvel2.MVELRuntime.execute(MVELRuntime.java:91) > >> at > >> > org.mvel2.compiler.CompiledExpression.getValue(CompiledExpression.java:101) > >> at org.mvel2.MVEL.executeExpression(MVEL.java:1025) > >> at > >> org.drools.base.mvel.MVELConsequence.evaluate(MVELConsequence.java:89) > >> at > >> org.drools.common.DefaultAgenda.fireActivation(DefaultAgenda.java:909) > >> ... 97 more > >> Caused by: java.lang.ClassNotFoundException: No ClassLoaders found for: > >> String > >> at org.jboss.mx <http://org.jboss.mx.loading.LoadMgr3.be> > .loading.LoadMgr3.beginLoadTask(LoadMgr3.java:306) > >> at > >> > >> org.jboss.mx > .loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java:521) > >> at > >> > >> > org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoader.java:415) > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:251) > >> at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) > >> at java.lang.Class.forName0(Native Method) > >> at java.lang.Class.forName(Class.java:164) > >> at org.mvel2.util.ParseTools.createClass(ParseTools.java:458) > >> at org.mvel2.util.ParseTools.findClass(ParseTools.java:796) > >> at > >> > >> > org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.compileConstructor(ReflectiveAccessorOptimizer.java:832) > >> at > >> > >> > org.mvel2.optimizers.impl.refl.ReflectiveAccessorOptimizer.optimizeObjectCreation(ReflectiveAccessorOptimizer.java:799) > >> ... 110 more > >> > >> Any help would be very appreciated > >> > >> ps: the very same rule worked with drools 4.0.7 > >> > >> Regards > >> > >> > >> > >> > >> -- > >> View this message in context: > >> > http://www.nabble.com/No-ClassLoaders-found-for%3A-String-tp21437370p21437370.html > >> Sent from the drools - user mailing list archive at Nabble.com. > >> > >> _______________________________________________ > >> 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 > > > > _______________________________________________ > > rules-users mailing list > > [email protected] > > https://lists.jboss.org/mailman/listinfo/rules-users > > > > > > -- > > View this message in context: > http://www.nabble.com/No-ClassLoaders-found-for%3A-String-tp21437370p21438374.html > > Sent from the drools - user mailing list archive at Nabble.com. > > _______________________________________________ > 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 > > > > > _______________________________________________ > 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 > > _______________________________________________ > 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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