Invalid content was found starting with element 'conditionEx

[mhp]

<?xml version="1.0" encoding="UTF-8"?>
<definitions id="taskAssigneeExample"
  xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns:activiti="http://activiti.org/bpmn"
  targetNamespace="Examples">

<process id="helloProcess">     
<startEvent id="start">
    <timerEventDefinition>
        <timeCycle>R/PT1S</timeCycle> 
      </timerEventDefinition>
      </startEvent>  
  <sequenceFlow id="flow1" sourceRef="start" targetRef="print" />   
   <conditionExpression xsi:type="tFormalExpression">${printer.isStandardOrder()}</conditionExpression> 
  <serviceTask id="print" activiti:expression="${printer.printMessage()}" />   
  <sequenceFlow id="flow2" sourceRef="print" targetRef="end" />       
  <endEvent id="end" />     
  </process>

</definitions>


isStandardOrder() bean function return true…
But it is giving an exception
org.activiti.engine.ActivitiException: cvc-complex-type.2.4.a: Invalid content was found starting with element 'conditionExpression'. One of '{"http://www.omg.org/spec/BPMN/20100524/MODEL':flowElement, "http://www.omg.org/spec/BPMN/20100524/MODEL':artifact, "http://www.omg.org/spec/BPMN/20100524/MODEL':resourceRole, "http://www.omg.org/spec/BPMN/20100524/MODEL':correlationSubscription, "http://www.omg.org/spec/BPMN/20100524/MODEL':supports}' is expected. | mailing/hello.bpmn20.xml | line 15 | column 54

   at org.activiti.engine.impl.util.xml.Parse.throwActivitiExceptionForErrors(Parse.java:186)
   at org.activiti.engine.impl.bpmn.parser.BpmnParse.execute(BpmnParse.java:201)
   at org.activiti.engine.impl.bpmn.deployer.BpmnDeployer.deploy(BpmnDeployer.java:81)
   at org.activiti.engine.impl.persistence.deploy.DeploymentCache.deploy(DeploymentCache.java:37)
   at org.activiti.engine.impl.persistence.entity.DeploymentManager.insertDeployment(DeploymentManager.java:39)
   at org.activiti.engine.impl.cmd.DeployCmd.execute(DeployCmd.java:58)
   at org.activiti.engine.impl.cmd.DeployCmd.execute(DeployCmd.java:30)
   at org.activiti.engine.impl.interceptor.CommandExecutorImpl.execute(CommandExecutorImpl.java:24)
   at org.activiti.engine.impl.interceptor.CommandContextInterceptor.execute(CommandContextInterceptor.java:42)
   at org.activiti.spring.SpringTransactionInterceptor$1.doInTransaction(SpringTransactionInterceptor.java:42)
   at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)
   at org.activiti.spring.SpringTransactionInterceptor.execute(SpringTransactionInterceptor.java:40)
   at org.activiti.engine.impl.interceptor.LogInterceptor.execute(LogInterceptor.java:33)
   at org.activiti.engine.impl.RepositoryServiceImpl.deploy(RepositoryServiceImpl.java:43)
   at org.activiti.engine.impl.repository.DeploymentBuilderImpl.deploy(DeploymentBuilderImpl.java:106)
   at mailing.TestServ.doGet(TestServ.java:36)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
   at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:873)
   at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
   at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
   at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
   at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
   at java.lang.Thread.run(Thread.java:595)


can anyone help me out….
its very urgent…

[gant]

Not sure, what your question is….

But <conditionExpression> must be a child element of sequence flow.