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

[Mario Fusco (JIRA)]

     [ https://issues.jboss.org/browse/JBRULES-3377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mario Fusco resolved JBRULES-3377.
----------------------------------

    Fix Version/s: 5.4.0.CR1
       Resolution: Done

    
> 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.

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