Invalid bean definition with name 'dataSource' defined in class path resource [applicationContext.xml]

18-Jul-2019 15:22:16.822 严重 [main] org.apache.catalina.core.StandardContext.listenerStart 异常将上下文初始化事件发送到类的侦听器实例.[org.springframework.web.context.ContextLoaderListener]
org.springframework.beans.factory.BeanDefinitionStoreException: Invalid bean definition with name 'dataSource' defined in class path resource [applicationContext.xml]: Could not resolve placeholder 'jdbc.driver' in string value "${jdbc.driver}"; nested exception is java.lang.IllegalArgumentException: Could not resolve placeholder 'jdbc.driver' in string value "${jdbc.driver}"
at org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties(PlaceholderConfigurerSupport.java:223)
at org.springframework.context.support.PropertySourcesPlaceholderConfigurer.processProperties(PropertySourcesPlaceholderConfigurer.java:180)
at org.springframework.context.support.PropertySourcesPlaceholderConfigurer.postProcessBeanFactory(PropertySourcesPlaceholderConfigurer.java:152)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:284)
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:166)
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:681)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:523)
at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:444)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:326)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:107)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4682)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5150)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:713)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:695)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1133)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1867)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1045)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:429)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1576)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:309)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:929)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:831)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1377)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1367)
at java.util.concurrent.FutureTask.run(Unknown Source)
at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at java.util.concurrent.AbstractExecutorService.submit(Unknown Source)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:902)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:423)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:932)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:350)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)
Caused by: java.lang.IllegalArgumentException: Could not resolve placeholder 'jdbc.driver' in string value "${jdbc.driver}"
at org.springframework.util.PropertyPlaceholderHelper.parseStringValue(PropertyPlaceholderHelper.java:174)
at org.springframework.util.PropertyPlaceholderHelper.replacePlaceholders(PropertyPlaceholderHelper.java:126)
at org.springframework.core.env.AbstractPropertyResolver.doResolvePlaceholders(AbstractPropertyResolver.java:204)
at org.springframework.core.env.AbstractPropertyResolver.resolveRequiredPlaceholders(AbstractPropertyResolver.java:178)
at org.springframework.context.support.PropertySourcesPlaceholderConfigurer$2.resolveStringValue(PropertySourcesPlaceholderConfigurer.java:172)
at org.springframework.beans.factory.config.BeanDefinitionVisitor.resolveStringValue(BeanDefinitionVisitor.java:282)
at org.springframework.beans.factory.config.BeanDefinitionVisitor.resolveValue(BeanDefinitionVisitor.java:204)
at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitPropertyValues(BeanDefinitionVisitor.java:141)
at org.springframework.beans.factory.config.BeanDefinitionVisitor.visitBeanDefinition(BeanDefinitionVisitor.java:82)
at org.springframework.beans.factory.config.PlaceholderConfigurerSupport.doProcessProperties(PlaceholderConfigurerSupport.java:220)
... 50 more

<!--这一项可配可不配，如果不配置druid会根据url自动识别dbType，然后选择相应的driverClassName-->
<property name="driverClassName" value="${jdbc.driver}"/>

jdbc.driver=com.microsoft.sqlserver.jdbc.SQLServerDriver
#jdbc:sqlserver://<server>:<port>;databaseName=AdventureWorks;user=<user>;password=<password>
jdbc.url=jdbc:sqlserver://xxx.xxx.xxx.xxx;databaseName=MyTest
jdbc.username=test
jdbc.password=test
#最大连接数
maxPoolSize=20
#最小连接数
minPoolSize=10
#连接超时时间
checkoutTimeout=60000
#失败重连次数
acquireRetryAttempts=3

<?xml version="1.0" encoding="UTF-8"?>
<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:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd"> <!--druid 此段摘自 https://github.com/alibaba/druid/wiki/DruidDataSource%E9%85%8D%E7%BD%AE%E5%B1%9E%E6%80%A7%E5%88%97%E8%A1%A8-->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!--置这个属性的意义在于，如果存在多个数据源，监控的时候可以通过名字来区分开来。如果没有配置，将会生成一个名字，格式是："DataSource-" + System.identityHashCode(this). 另外配置此属性至少在1.0.5版本中是不起作用的，强行设置name会出错-->
<!--<property name="name" value=""/>--> <!--连接数据库的url，不同数据库不一样-->
<property name="url" value="${jdbc.url}" />
<!--连接数据库的用户名-->
<property name="username" value="${jdbc.username}" />
<!--连接数据库的密码。如果你不希望密码直接写在配置文件中-->
<property name="password" value="${jdbc.password}" />
<!--这一项可配可不配，如果不配置druid会根据url自动识别dbType，然后选择相应的driverClassName-->
<property name="driverClassName" value="${jdbc.driver}"/>
<!--初始化时建立物理连接的个数。初始化发生在显示调用init方法，或者第一次getConnection时-->
<property name="initialSize" value="10" />
<!--最大连接池数量-->
<property name="maxActive" value="20" />
<!--最小连接池数量-->
<property name="minIdle" value="1" />
<!--获取连接时最大等待时间，单位毫秒。配置了maxWait之后，缺省启用公平锁，并发效率会有所下降，如果需要可以通过配置useUnfairLock属性为true使用非公平锁。-->
<property name="maxWait" value="60000" />
<!--是否缓存preparedStatement，也就是PSCache。PSCache对支持游标的数据库性能提升巨大，比如说oracle。在mysql下建议关闭-->
<property name="poolPreparedStatements" value="true" />
<!--要启用PSCache，必须配置大于0，当大于0时，poolPreparedStatements自动触发修改为true。在Druid中，不会存在Oracle下PSCache占用内存过多的问题，可以把这个数值配置大一些，比如说100-->
<property name="maxOpenPreparedStatements" value="20" /> <!--用来检测连接是否有效的sql，要求是一个查询语句，常用select 'x'。如果validationQuery为null，testOnBorrow、testOnReturn、testWhileIdle都不会起作用。-->
<!--<property name="validationQuery" value="select 'x'" />--> <!--单位：秒，检测连接是否有效的超时时间。底层调用jdbc Statement对象的void setQueryTimeout(int seconds)方法-->
<!--<property name="validationQueryTimeout" value="3" />--> <!--申请连接时执行validationQuery检测连接是否有效，做了这个配置会降低性能-->
<property name="testOnBorrow" value="false" />
<!--归还连接时执行validationQuery检测连接是否有效，做了这个配置会降低性能。-->
<property name="testOnReturn" value="false" />
<!--建议配置为true，不影响性能，并且保证安全性。申请连接的时候检测，如果空闲时间大于timeBetweenEvictionRunsMillis，执行validationQuery检测连接是否有效。-->
<property name="testWhileIdle" value="true" /> <!--连接池中的minIdle数量以内的连接，空闲时间超过minEvictableIdleTimeMillis，则会执行keepAlive操作-->
<property name="keepAlive" value="true" />
<!--有两个含义：-->
<!--1) Destroy线程会检测连接的间隔时间，如果连接空闲时间大于等于minEvictableIdleTimeMillis则关闭物理连接。-->
<!--2) testWhileIdle的判断依据，详细看testWhileIdle属性的说明-->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!--连接保持空闲而不被驱逐的最小时间-->
<property name="minEvictableIdleTimeMillis" value="300000" /> <!--物理连接初始化的时候执行的sql-->
<!--<property name="connectionInitSqls" value="" />-->
<!--当数据库抛出一些不可恢复的异常时，抛弃连接, 默认根据dbType自动识别-->
<!--<property name="exceptionSorter" value="" />--> <!--属性类型是字符串，通过别名的方式配置扩展插件，常用的插件有：-->
<!--监控统计用的filter:stat-->
<!--日志用的filter:log4j-->
<!--防御sql注入的filter:wall-->
<property name="filters" value="stat" />
<!--类型是List<com.alibaba.druid.filter.Filter>，如果同时配置了filters和proxyFilters，是组合关系，并非替换关系-->
<!--<property name="proxyFilters" value="" />-->
<!--属性asyncInit是在建议的帮助文档中写的，但在实际介绍时没有说明 https://github.com/alibaba/druid/wiki/DruidDataSource%E9%85%8D%E7%BD%AE-->
<!--<property name="asyncInit" value="true" />-->
</bean> <!--配合MyBatis-->
<bean id="vendorProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="properties">
<props>
<prop key="SQL Server">sqlserver</prop>
<prop key="MySQL">mysql</prop>
</props>
</property>
</bean>
<bean id="databaseIdProvider" class="org.apache.ibatis.mapping.VendorDatabaseIdProvider">
<property name="properties" ref="vendorProperties"/>
</bean> <!-- 配置 SqlSessionFactory 对象，spring和MyBatis完美整合，不需要mybatis的配置映射文件-->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!--注入数据库连接池-->
<property name="dataSource" ref="dataSource"/>
<!-- 配置 MyBaties 全局配置⽂件:mybatis-config.xml -->
<property name="configLocation" value="classpath:mybatis-config.xml"/>
<!-- 扫描 model 包 使⽤别名 -->
<property name="typeAliasesPackage" value="com.zrensoft.model"/>
<property name="databaseIdProvider" ref="databaseIdProvider" />
<!-- 扫描 sql 配置⽂件:mapper 需要的 xml ⽂件 -->
<property name="mapperLocations" value="classpath:mapper/*.xml"/>
</bean> <!-- 配置扫描 dao 接⼝包， 动态实现 dao 接⼝， 注⼊到 Spring 容器中 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注⼊ sqlSessionFactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!-- 给出需要扫描 dao 接⼝包 -->
<property name="basePackage" value="com.xxxx.dao"/>
</bean>
<!--spring-service-->
<!-- 扫描 service 包下所有使⽤注解的类型 -->
<context:component-scan base-package="com.xxxx.service"/> <!-- 配置事务管理器 -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!-- 注⼊数据库连接池 -->
<property name="dataSource" ref="dataSource"/>
</bean> <beans profile="sqlserver">
<context:property-placeholder location="classpath:jdbc_sqlserver.properties"/>
</beans> <beans profile="mysql">
<context:property-placeholder location="classpath:jdbc_mysql.properties"/>
</beans>
</beans>