SpringBoot整合Dubbo踩坑日记:空指针,连接超时,消费者找不到提供者
不说明环境的都是流氓
- SpringBoot 2.2.1
- Dubbo-SpringBoot 0.2.0
- Dubbo 2.6.2
- curator 2.12.0
- jdk 1.8
问题描述
RT,就不多BB了,赶紧进正题,这个问题浪费了我2个小时…如果是xml不存在这个问题
解决方法(服务者消费者都需要更改)
去掉SpringBoot配置文件application.properties中的
dubbo.scan.base-package=com.*.*
在启动类上加上以下注解
@EnableDubbo
@DubboComponentScan
完整启动类代码
@EnableDubbo
@DubboComponentScan
@SpringBootApplication
public class GmallUserApplication {
public static void main(String[] args) {
SpringApplication.run(GmallUserApplication.class, args);
}
}
完整pom文件如下
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.zfbgt</groupId>
<artifactId>gmall-user</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>gmall-user</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<!--公共api-->
<dependency>
<groupId>com.zfbgt</groupId>
<artifactId>gmall-interface</artifactId>
<version>0.0.1-SNAPSHOT</version>
</dependency>
<!--SpringBoot整合Dubbo-->
<dependency>
<groupId>com.alibaba.boot</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>0.2.0</version>
</dependency>
<!--Dubbo-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>dubbo</artifactId>
<version>2.6.2</version>
</dependency>
<!-- curator-framework -->
<dependency>
<groupId>org.apache.curator</groupId>
<artifactId>curator-framework</artifactId>
<version>2.12.0</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
最后提一下,启动顺序是提供者>消费者,如果启动顺序不对会报错,如果想跳过检查可以在消费者里配置
dubbo.consumer.check=false
完结撒花