<?xml version="1.0" encoding="UTF-8"?>

<process-definition
 xmlns="http://jbpm.org/3/jpdl" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://jbpm.org/3/jpdl http://docs.jboss.org/jbpm/xsd/jpdl-3.0.xsd"
 name="paidan">

 <start-state name="start">
 <transition to="task"></transition>
 </start-state>


 <task-node name="task" create-tasks="false">
 <event type="node-enter">
 <action name="createInstance" class="com.sample.action.CreateTask"></action>
 </event>
 <transition to="end"></transition>
 </task-node>


 <end-state name="end"></end-state>

</process-definition>

org.jbpm.jpdl.JpdlException: [[ERROR] line 21: cvc-complex-type.2.4.a: Invalid content was found starting with element 'transition'. One of '{"http://jbpm.org/3/jpdl":event, "http://jbpm.org/3/jpdl":timer, "http://jbpm.org/3/jpdl":exception-handler}' is expected.]

<transition to="end"></transition>