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

[Mario Fusco (JIRA)]

Mario Fusco created JBRULES-3377:
------------------------------------

             Summary: 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


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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