[jboss-jira] [JBoss JIRA] (JBRULES-3377) drools modify command mvel exception

drools modify command mvel exception ------------------------------------ Key: JBRULES-3377 URL: https://issues.jboss.org/browse/JBRULES-3377 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Reporter: Mario Fusco Assignee: Mario Fusco Fix For: 5.4.0.CR1 Following exception occurs when trying to execute modify command on stateful session: { with (this) { age = 30 ,name = Frank ,id = 0 ,likes = nobody } } Exception in thread "main" [Error: unable to resolve method: com.redhat.modifyreproducer.Person.Frank() [arglength=0]] [Near : {... ,name = Frank ....}] ^ [Line: 5, Column: 1] at org.mvel2.PropertyAccessor.getMethod(PropertyAccessor.java:977) at org.mvel2.PropertyAccessor.getBeanProperty(PropertyAccessor.java:687) at org.mvel2.PropertyAccessor.getNormal(PropertyAccessor.java:202) at org.mvel2.PropertyAccessor.get(PropertyAccessor.java:171) at org.mvel2.PropertyAccessor.get(PropertyAccessor.java:151) at org.mvel2.ast.ASTNode.getReducedValue(ASTNode.java:185) at org.mvel2.MVELInterpretedRuntime.parseAndExecuteInterpreted(MVELInterpretedRuntime.java:106) at org.mvel2.MVELInterpretedRuntime.parse(MVELInterpretedRuntime.java:49) at org.mvel2.MVEL.eval(MVEL.java:408) at org.mvel2.util.ParseTools.parseWithExpressions(ParseTools.java:1591) at org.mvel2.ast.WithNode.getReducedValue(WithNode.java:75) at org.mvel2.MVELInterpretedRuntime.parseAndExecuteInterpreted(MVELInterpretedRuntime.java:106) at org.mvel2.MVELInterpretedRuntime.parse(MVELInterpretedRuntime.java:49) at org.mvel2.MVEL.eval(MVEL.java:109) at org.drools.command.runtime.rule.ModifyCommand.execute(ModifyCommand.java:79) at org.drools.impl.StatefulKnowledgeSessionImpl.execute(StatefulKnowledgeSessionImpl.java:798) at org.drools.impl.StatefulKnowledgeSessionImpl.execute(StatefulKnowledgeSessionImpl.java:781) at com.redhat.modifyreproducer.Main.test(Main.java:52) at com.redhat.modifyreproducer.Main.main(Main.java:30) ------------------------------------------------------------------------------ First, fact is inserted into the session, next step is creating Modify command with setter list: Person p1 = new Person("John", "nobody", 25); session.execute(CommandFactory.newInsert(p1)); FactHandle fh = session.getFactHandle(p1); Person p = new Person("Frank", "nobody", 30); List<Setter> setterList = new ArrayList<Setter>(); setterList.add(CommandFactory.newSetter("age", String.valueOf(p.getAge()))); setterList.add(CommandFactory.newSetter("name", p.getName())); setterList.add(CommandFactory.newSetter("likes", p.getLikes())); setterList.add(CommandFactory.newSetter("id", String.valueOf(p.getId()))); session.execute(CommandFactory.newModify(fh, setterList)); See an attachment for the details, just build as maven project and run.