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spring下配置tomcat jdbc pool 报找不到"com.mysql.jdbc.Driver"类

时间:2014-04-16 23:51:25      阅读:1097      评论:0      收藏:0      [点我收藏+]

初始配置

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 1 <!--tomcat jdbc pool数据源配置-->
 2     <bean id="dataSource" class="org.apache.tomcat.jdbc.pool.DataSource" destroy-method="close">
 3         <property name="poolProperties">
 4             <bean class="org.apache.tomcat.jdbc.pool.PoolProperties">
 5                 <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
 6                 <property name="url" value="${database.url}"/>
 7                 <property name="username" value="${database.username}"/>
 8                 <property name="password" value="${database.password}"/>
 9                 <property name="jmxEnabled" value="true"/>
10                 <property name="testWhileIdle" value="true"/>
11                 <property name="testOnBorrow" value="true"/>
12                 <property name="testOnReturn" value="false"/>
13                 <property name="validationInterval" value="30000"/>
14                 <property name="validationQuery" value="SELECT 1"/>
15                 <property name="timeBetweenEvictionRunsMillis" value="30000"/>
16                 <property name="initialSize" value="10"/>
17                 <property name="maxActive" value="40"/>
18                 <property name="minIdle" value="10"/>
19                 <property name="maxIdle" value="20"/>
20                 <property name="maxWait" value="10000"/>
21                 <property name="minEvictableIdleTimeMillis" value="30000"/>
22                 <property name="logAbandoned" value="false"/>
23                 <property name="removeAbandoned" value="true"/>
24                 <property name="removeAbandonedTimeout" value="60"/>
25                 <property name="jdbcInterceptors" value="org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer"/>
26             </bean>
27         </property>
28     </bean>
29 
30 
31     <!-- 定义实体管理器工厂 -->
32     <bean id="entityManagerFactory"
33           class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
34         <property name="persistenceUnitName" value="myJPA" />
35         <property name="dataSource" ref="dataSource" />
36         <property name="jpaVendorAdapter">
37             <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
38                 <property name="showSql" value="true"/>
39                 <property name="databasePlatform" value="org.hibernate.dialect.MySQL5Dialect"/>
40                 <property name="generateDdl" value="true" />
41                 <property name="database" value="MYSQL" />
42             </bean>
43         </property>
44         <property name="persistenceProviderClass" value="org.hibernate.jpa.HibernatePersistenceProvider"/>
45         <property name="jpaProperties">
46             <props>
47                 <prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy</prop>
48                 <prop key="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</prop>
49                 <prop key="hibernate.connection.driver_class">com.mysql.jdbc.Driver</prop>
50                 <prop key="hibernate.connection.url">${database.url}</prop>
51                 <prop key="hibernate.connection.username">${database.username}</prop>
52                 <prop key="hibernate.connection.password">${database.password}</prop>
53                 <prop key="hibernate.max_fetch_depth">3</prop>
54                 <prop key="hibernate.jdbc.fetch_size">18</prop>
55                 <prop key="hibernate.jdbc.batch_size">10</prop>
56                 <prop key="hibernate.hbm2ddl.auto">update</prop>
57                 <prop key="hibernate.show_sql">true</prop>
58                 <prop key="hibernate.format_sql">true</prop>
59                 <prop key="javax.persistence.validation.mode">none</prop>
60             </props>
61         </property>
62     </bean>
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启动时报错, 

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 1 ...
 2 
 3 java.sql.SQLException: com.mysql.jdbc.Driver
 4     at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:254) ~[tomcat-jdbc.jar:na]
 5     at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:182) ~[tomcat-jdbc.jar:na]
 6     at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:702) ~[tomcat-jdbc.jar:na]
 7     at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:634) ~[tomcat-jdbc.jar:na]
 8     at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:488) ~[tomcat-jdbc.jar:na]
 9     at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:144) ~[tomcat-jdbc.jar:na]
10 
11 ...
12 
13 at javax.management.remote.rmi.RMIConnectionImpl.access$300(Unknown Source) [na:1.8.0]
14     at javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(Unknown Source) [na:1.8.0]
15     at javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(Unknown Source) [na:1.8.0]
16     at javax.management.remote.rmi.RMIConnectionImpl.invoke(Unknown Source) [na:1.8.0]
17     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:201402101544]
18     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:201402101544]
19     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:201402101544]
20     at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.8.0]
21     at sun.rmi.server.UnicastServerRef.dispatch(Unknown Source) [na:1.8.0]
22     at sun.rmi.transport.Transport$1.run(Unknown Source) [na:1.8.0]
23     at sun.rmi.transport.Transport$1.run(Unknown Source) [na:1.8.0]
24     at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0]
25     at sun.rmi.transport.Transport.serviceCall(Unknown Source) [na:1.8.0]
26     at sun.rmi.transport.tcp.TCPTransport.handleMessages(Unknown Source) [na:1.8.0]
27     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(Unknown Source) [na:1.8.0]
28     at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(Unknown Source) [na:1.8.0]
29     at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [na:1.8.0]
30     at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [na:1.8.0]
31     at java.lang.Thread.run(Unknown Source) [na:1.8.0]
32 Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
33     at java.net.URLClassLoader$1.run(Unknown Source) ~[na:1.8.0]
34     at java.net.URLClassLoader$1.run(Unknown Source) ~[na:1.8.0]
35     at java.security.AccessController.doPrivileged(Native Method) [na:1.8.0]
36     at java.net.URLClassLoader.findClass(Unknown Source) ~[na:1.8.0]
37     at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.8.0]
38     at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.8.0]
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这篇文章解释了原因 http://stackoverflow.com/questions/4790589/sqlexception-w-tomcat-7-0-jdbc-connection-pool-and-mysql , 大概意思是加载 数据库连接驱动jar包(tomcat?) 和 tomcat jdbc包(spring?) 不是同一个Classloader, 所以需要改为如下配置

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 1 <!--  使用spring 加载jdbc驱动  -->
 2     <bean id="dataSourceTemplate" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
 3         <property name="driverClassName" value="${database.driver}" />
 4         <property name="url" value="${database.url}" />
 5         <property name="username" value="${database.username}" />
 6         <property name="password" value="${database.password}" />
 7     </bean>
 8 
 9     <!--tomcat jdbc pool数据源配置-->
10     <bean id="dataSource" class="org.apache.tomcat.jdbc.pool.DataSource" destroy-method="close">
11         <!--  通过引用加载数据库信息  -->
12         <property name="dataSource" ref="dataSourceTemplate"/>
13         
14         <property name="jmxEnabled" value="true"/>
15         <property name="testWhileIdle" value="true"/>
16         <property name="testOnBorrow" value="true"/>
17         <property name="testOnReturn" value="false"/>
18         <property name="validationInterval" value="30000"/>
19         <property name="validationQuery" value="SELECT 1"/>
20         <property name="timeBetweenEvictionRunsMillis" value="30000"/>
21         <property name="initialSize" value="10"/>
22         <property name="maxActive" value="40"/>
23         <property name="minIdle" value="10"/>
24         <property name="maxIdle" value="20"/>
25         <property name="maxWait" value="10000"/>
26         <property name="minEvictableIdleTimeMillis" value="30000"/>
27         <property name="logAbandoned" value="false"/>
28         <property name="removeAbandoned" value="true"/>
29         <property name="removeAbandonedTimeout" value="60"/>
30         <property name="jdbcInterceptors" value="org.apache.tomcat.jdbc.pool.interceptor.ConnectionState;org.apache.tomcat.jdbc.pool.interceptor.StatementFinalizer"/>
31     </bean>
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 其他配置不变

spring下配置tomcat jdbc pool 报找不到"com.mysql.jdbc.Driver"类,布布扣,bubuko.com

spring下配置tomcat jdbc pool 报找不到"com.mysql.jdbc.Driver"类

原文:http://www.cnblogs.com/ykt8465279130/p/3669355.html

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