Java Spring邮件生成空指针异常
我试图在Spring中配置mail,并不断得到一个空指针异常。我怀疑它找不到“mailSender”bean,但我可能离它很远。我的配置如下: web.xmlJava Spring邮件生成空指针异常,java,spring,spring-mvc,Java,Spring,Spring Mvc,我试图在Spring中配置mail,并不断得到一个空指针异常。我怀疑它找不到“mailSender”bean,但我可能离它很远。我的配置如下: web.xml <!-- Processes application requests --> <servlet> <servlet-name>appServlet</servlet-name> <servlet-class>org.springframework.web
<!-- Processes application requests -->
<servlet>
<servlet-name>appServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>logVerbosityLevel</param-name>
<param-value>ERROR</param-value>
</init-param>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
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">
<beans:bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
<beans:property name="host" value="mail.company.com"/>
</beans:bean>
</beans:beans>
使用JUnit运行测试时,Spring根本没有加载,因此没有设置自动连接字段。要在测试中运行spring,请查看SpringJUnit4ClassRunner
您还可以在setUp方法中创建自己的JavaMailSenderImpl实例,并将其分配给
mailSender
如果需要将配置放入测试类,您还可以将上下文文件复制到测试类的根目录中(只是文件解析,当spring运行程序启动时需要加载您的上下文文件)…您的测试类应该如下所示
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "applicationContext.xml" })
@WebAppConfiguration
public class FacadeTest {
private String phoneNumber = "111111115";
@Autowired
private BussinesDelegate bussinesDelegate;
@Test
public void runTest(){
this.fullTest(phoneNumber, "aaaaa");
}
public void fullTest(String phoneNumber, String answer){
try {
bmoaBussinesDelegate.processMessage("127.0.0.1", phoneNumber, "camicase" + System.currentTimeMillis());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
别忘了检查你的依赖关系
<!-- Junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- Testng -->
<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>
<version>6.8.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>
朱尼特
朱尼特
4.11
测试
org.testng
testng
6.8.5
测试
org.springframework
弹簧试验
${spring.version}
spring最酷的一点是,它的IOC容器可以在不需要服务器的情况下探测到与完全兼容Java EE的服务器相同的行为,而且基本上运行程序所做的是手动加载上下文,就像你可以在使用spring的standole应用程序中执行ir一样;)谢谢你的提示。我添加了以下包:
import org.springframework.test.context.ContextConfiguration;导入org.springframework.test.context.junit4.SpringJUnit4ClassRunner
谢谢您的提示。我添加了以下包:import org.springframework.test.context.ContextConfiguration;导入org.springframework.test.context.junit4.SpringJUnit4ClassRunner
,但收到相同的错误消息。我尝试了这方面的说明,它似乎要求提供这些注释@RunWith(SpringJUnit4ClassRunner.class)@ContextConfiguration(locations={“daos.xml”})
,但是,我不确定它们是否必要?很好,最后一件事,如果您将上下文文件复制到测试文件夹中,请始终注意在那里和WEB-INF中有相同的文件,否则您可能会得到不同的部署版本和测试版本的配置。
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.web.WebAppConfiguration;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "applicationContext.xml" })
@WebAppConfiguration
public class FacadeTest {
private String phoneNumber = "111111115";
@Autowired
private BussinesDelegate bussinesDelegate;
@Test
public void runTest(){
this.fullTest(phoneNumber, "aaaaa");
}
public void fullTest(String phoneNumber, String answer){
try {
bmoaBussinesDelegate.processMessage("127.0.0.1", phoneNumber, "camicase" + System.currentTimeMillis());
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
<!-- Junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- Testng -->
<dependency>
<groupId>org.testng</groupId>
<artifactId>testng</artifactId>
<version>6.8.5</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${spring.version}</version>
</dependency>