engine.xml

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xsi:schemaLocation="
		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd                         
		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
        ">

    <bean id="dataSource" class="org.springframework.jdbc.datasource.TransactionAwareDataSourceProxy">
        <property name="targetDataSource">
            <bean class="org.springframework.jdbc.datasource.SimpleDriverDataSource">
                <property name="driverClass" value="org.h2.Driver"/>
                <property name="url" value="jdbc:h2:mem:camunda;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE"/>
                <property name="username" value="sa"/>
                <property name="password" value=""/>
            </bean>
        </property>
    </bean>
	 
	<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
	  <property name="dataSource" ref="dataSource" />
	</bean>
	 
	<bean id="processEngineConfiguration" class="org.camunda.bpm.engine.spring.SpringProcessEngineConfiguration">
	  <property name="processEngineName" value="engine" />
	  <property name="dataSource" ref="dataSource" />
	  <property name="transactionManager" ref="transactionManager" />
	  <property name="databaseSchemaUpdate" value="true" />
	  <property name="jobExecutorActivate" value="true" />
	  <property name="deploymentResources" value="classpath*:*.bpmn" />

	  <property name="processEnginePlugins">
	    <list>
	      <bean id="spinPlugin" class="org.camunda.spin.plugin.impl.SpinProcessEnginePlugin" />
	    </list>
	  </property>        
	  
	</bean>
	 
	<bean id="processEngine" class="org.camunda.bpm.engine.spring.ProcessEngineFactoryBean">
	  <property name="processEngineConfiguration" ref="processEngineConfiguration" />
	</bean>
	 
	<bean id="repositoryService" factory-bean="processEngine" factory-method="getRepositoryService" />
	<bean id="runtimeService" factory-bean="processEngine" factory-method="getRuntimeService" />
	<bean id="taskService" factory-bean="processEngine" factory-method="getTaskService" />
	<bean id="historyService" factory-bean="processEngine" factory-method="getHistoryService" />
	<bean id="managementService" factory-bean="processEngine" factory-method="getManagementService" />

</beans>