MyMain
com.test.sunc.MyMain
testMethod(com.test.sunc.MyMain)
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [beans.xml]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mchange.v2.c3p0.ComboPooledDataSource]: No default constructor found; nested exception is java.lang.NoClassDefFoundError: com/mchange/v2/ser/Indirector
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1163)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1107)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:513)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:312)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:308)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:867)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
at com.test.sunc.MyMain.start(MyMain.java:24)
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.junit.internal.runners.MethodRoadie.runBefores(MethodRoadie.java:122)
at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:86)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:77)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:42)
at org.junit.internal.runners.JUnit4ClassRunner.invokeTestMethod(JUnit4ClassRunner.java:88)
at org.junit.internal.runners.JUnit4ClassRunner.runMethods(JUnit4ClassRunner.java:51)
at org.junit.internal.runners.JUnit4ClassRunner$1.run(JUnit4ClassRunner.java:44)
at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:27)
at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:37)
at org.junit.internal.runners.JUnit4ClassRunner.run(JUnit4ClassRunner.java:42)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [com.mchange.v2.c3p0.ComboPooledDataSource]: No default constructor found; nested exception is java.lang.NoClassDefFoundError: com/mchange/v2/ser/Indirector
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:85)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1155)
... 33 more
Caused by: java.lang.NoClassDefFoundError: com/mchange/v2/ser/Indirector
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Unknown Source)
at java.lang.Class.getConstructor0(Unknown Source)
at java.lang.Class.getDeclaredConstructor(Unknown Source)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:80)
... 34 more
Caused by: java.lang.ClassNotFoundException: com.mchange.v2.ser.Indirector
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 39 more
1 <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
2 <property name="driverClass" value="com.microsoft.sqlserver.jdbc.SQLServerDriver" />
3 <property name="jdbcUrl" value="jdbc:sqlserver://localhost:1433;DatabaseName=springDb"/>
4 <property name="user" value="sa"/>
5 <property name="password" value="123456"/>
6 <property name="maxPoolSize" value="200"/>
7 <property name="minPoolSize" value="2" />
8 <property name="initialPoolSize" value="2" />
9 <property name="maxIdleTime" value="200" />
10 </bean>
11
12
1 package com.test.sunc;
2
3 import java.sql.Connection;
4 import java.sql.PreparedStatement;
5 import java.sql.SQLException;
6 import java.sql.Statement;
7
8 import javax.sql.DataSource;
9
10 import org.junit.After;
11 import org.junit.Before;
12 import org.junit.Test;
13 import org.springframework.context.ApplicationContext;
14 import org.springframework.context.support.ClassPathXmlApplicationContext;
15
16
17
18
19 public class MyMain {
20
21 private ApplicationContext context ;
22 @Before
23 public void start() {
24 context= new ClassPathXmlApplicationContext("beans.xml");
25
26 }
27
28 @Test
29 public void testMethod() {
30
31 // EmailEvent emailEvent = new EmailEvent("test","1058154599@qq.com","正文");
32 // context.publishEvent(emailEvent);
33 DataSource dataSource = context.getBean("dataSource",DataSource.class);
34 Connection connection;
35 PreparedStatement pstmt;
36 try {
37 connection = dataSource.getConnection();
38 pstmt =connection.prepareStatement("insert into t_user values(?)");
39 pstmt.setString(1, "user32365");
40
41 System.out.println(pstmt.executeUpdate());
42 if(pstmt != null) {
43 pstmt.close();
44 }
45 if(connection != null) {
46 connection.close();
47 }
48 } catch (SQLException e) {
49 // TODO Auto-generated catch block
50 e.printStackTrace();
51 }
52
53
54 }
55 @After
56 public void end() {
57 System.out.println("结束");
58 }
59 }
<!-- https://mvnrepository.com/artifact/com.mchange/mchange-commons-java -->
<dependency>
<groupId>com.mchange</groupId>
<artifactId>mchange-commons-java</artifactId>
<version>0.2.15</version>
</dependency>
