最近用activiti做一个很简单的小例子，自我感觉哪里都没问题，但是就是报：

org.activiti.engine.ActivitiObjectNotFoundException: no processes deployed with key 'myprocess'

的错误，最后查资料终于找到了原因，那就是 activiti 的模版必须以  bpmn20.xml  或者 bpmn结尾；

代码如下：

目录结构：

AvtivitiAction

public class AvtivitiAction {@Testpublic void startProcess(){ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();RepositoryService repositoryService = processEngine.getRepositoryService();DeploymentBuilder builder = repositoryService.createDeployment();builder.addClasspathResource("leave.bpmn20.xml");builder.deploy();// select * from `ACT_GE_PROPERTY`;这时这个表中会多条数据List<ProcessDefinition> p = repositoryService.createProcessDefinitionQuery().list();for(int i=0;i<p.size();i++){System.out.println(p.get(i).getKey());}RuntimeService runtimeService = processEngine.getRuntimeService();runtimeService.startProcessInstanceByKey("myProcess");//启动流程，ID必须与你配置的一致System.out.println("ok......");}
}

activiti.cfg.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://www.springframework.org/schema/beans   http://www.springframework.org/schema/beans/spring-beans.xsd"><bean id="processEngineConfiguration"class="org.activiti.engine.impl.cfg.StandaloneProcessEngineConfiguration"><property name="databaseSchemaUpdate" value="false" /><property name="jdbcUrl" value="jdbc:mysql://localhost:3306/qsfs" /><property name="jdbcDriver" value="com.mysql.jdbc.Driver" /><property name="jdbcUsername" value="qsfs" /><property name="jdbcPassword" value="qsfs" /><property name="jobExecutorActivate" value="true" /></bean>
</beans>

leave.bpmn20.xml

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns:activiti="http://activiti.org/bpmn"xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI"xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC"xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI"typeLanguage="http://www.w3.org/2001/XMLSchema"expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/processdef"><process id="myProcess" name="leave" ><startEvent id="startevent" name="start"></startEvent><endEvent id="endevent" name="end"></endEvent><sequenceFlow id="flowid" name="flowname" sourceRef="startevent" targetRef="endevent"></sequenceFlow></process></definitions>