java NotWritablePropertyException:Bean属性“dataSource”不可写或具有无效的setter方法
我正在我的应用程序服务层中实现Spring事务
我指的是关于实现spring事务的编程方式的教程点上的示例
https://www.tutorialspoint.com/spring/programmatic_management.htm
我跟踪了每个&;那边提到的每一步。。。。但是在xml文件中创建bean时遇到了问题
错误:
线程“main”组织中出现异常。springframework。豆。工厂BeanCreationException:创建名为“transactionManager”的bean时出错,该bean在类路径资源[database/spring.xml]中定义:设置属性值时出错;嵌套的异常是org。springframework。豆。NotWritablePropertyException:bean类[org.springframework.jdbc.dataSource.dataSource TransactionManager]的属性“dataSource”无效:bean属性“dataSource”不可写或具有无效的setter方法。setter的参数类型与getter的返回类型匹配吗
系统及;应用程序配置:
操作系统:ubuntu 16.0.4
弹簧版本:-5.0.3
雄猫:9
jdk:1.9
IDE:EclipseOxygen3
如果有人能给我解决方案,那将对我非常有帮助
<?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-2.5.xsd">
<!-- ********************* Initialization for Inventory database -->
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/myDatabase" />
<property name="username" value="root" />
<property name="password" value="root" />
</bean>
<!--********************* Initialization for TransactionManager -->
<bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="transactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
</beans>
public class MyService implements InventoryServiceIface{
private MyDAO dao;
private PlatformTransactionManager transactionManager;
public void setTransactionManager(PlatformTransactionManager transactionManager) {
this.transactionManager = transactionManager;
}
public void setDAO(MyDAO dao) {
this.dao = dao;
}
public Student saveStudent(Student tudent) throws ServiceException{
validate(Student); // validate the data inside party object
TransactionStatus status = beginTransaction(); // begin database transaction
try
{
rollbackTransaction();
Student = dao.saveStudent(student);
}
catch(ServiceException e)
{
rollbackTransaction(status);
throw e;
}
catch(Exception e)
{
rollbackTransaction(status);
throw new ServiceException(e);
}
commitTransaction(status);
return student;
}
public TransactionStatus beginTransaction()
{
System.out.println("TRANSACTION BEGINS....");
return transactionManager.getTransaction(new DefaultTransactionDefinition());
}
public void rollbackTransaction(TransactionStatus status)
{
System.out.println("ROLL BACK....");
transactionManager.rollback(status);
}
public void commitTransaction(TransactionStatus status)
{
System.out.println("TRANSACTION COMMITTED....");
transactionManager.commit(status);
}
}// End of Class
# 1 楼答案
设置数据源的DataSourceTransactionManager的属性名写在stacktrace数据源中,而不是XXXXX数据源中。你的配置应该如下