[rules-users] Rule flow skip ruleSet node.

I want increase user age by rule.But ruleSet node trigge only one time. When execute output: new Usesr ageA: 0 inc ageB: 1 ageA: 1 ageB: 1 ageA: 1 ageB: 1 .... ..... rule:*************************** package t2.state import t2.state.User; import java.util.Map; import java.util.HashMap; function Map createMap(String key,Object obj){ Map m=new HashMap(); m.put(key,obj); return m; } rule "boot" dialect "mvel" when u : User(age==0) then System.out.println(" new Usesr"); kcontext.getKnowledgeRuntime().startProcess("p1rf",createMap("user",u)); end rule "inc user age" dialect "mvel" ruleflow-group "inc age" no-loop true when u : User(); then System.out.println("inc"); modify(u){age+=1}; end rule flow:************************************ <?xml version="1.0" encoding="UTF-8"?> <process xmlns="http://drools.org/drools-5.0/process" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" xs:schemaLocation="http://drools.org/drools-5.0/process drools-processes-5.0.xsd" type="RuleFlow" name="p1 rule flow" id="p1rf" package-name="t2.state" > <header> <imports> <import name="t2.state.User"/> </imports> <variables> <variable name="user" > <type name="org.drools.process.core.datatype.impl.type.ObjectDataType" className="User" /> </variable> </variables> </header> <nodes> <start id="1" name="Start"/> <join id="2" name="Restart" type="2"/> <actionNode id="3" name="changeAge"> <action type="expression" dialect="mvel">System.out.println("ageA: "+user.age);</action> </actionNode> <ruleSet id="4" name="user rule" ruleFlowGroup="inc age"/> <actionNode id="5" name="changeAge"> <action type="expression" dialect="mvel">System.out.println("ageB: "+user.age);System.in.read();</action> </actionNode> <split id="6" name="decide" type="2"> <constraints> <constraint toNodeId="2" toType="DROOLS_DEFAULT" name="go to rest" type="rule" priority="1" dialect="mvel">User(age &lt; 6)</constraint> <constraint toNodeId="100" toType="DROOLS_DEFAULT" name="go to end" type="rule" priority="2" dialect="mvel">eval(true)</constraint> </constraints> </split> <end id="100" name="End"/> </nodes> <connections> <connection from="1" to="2"/> <connection from="2" to="3"/> <connection from="3" to="4"/> <connection from="4" to="5"/> <connection from="5" to="6"/> <connection from="6" to="2"/> <connection from="6" to="100"/> </connections> </process> liuzhikun 2009-10-30