Duboo项目集成升级问题解决

Duboo项目集成升级问题解决

文章目录

  • 1.问题
  • 2.解决办法
  • 3.验证
  • 4.总结

1.问题

由于之前写了这篇文章:

[](https://mp.weixin.qq.com/s/L-ejXtV9wk-hPYAc2e3jvQ)

之前的版本如下:

JDK版本:1.8

springBoot的版本:2.3.12.RELEASE

spring-cloud.version版本:Hoxton.SR9

spring-cloud-alibaba.version版本:2.2.6.RELEASE

dubbo.version版本:2.2.6.RELEASE

上面这篇文章由于在本地没有啥问题,后面今天我把这个方式的代码提交到我们的测试环境上,不知道为啥

出现服务一直注册不上去,然后消费者调用不到服务提供者的服务,测试环境挂机一个下午了,然后各种修改验证上面那篇文章的方法,结果完全不得行,不管是修改源码,还是定时任务检测更新服务信息,两种方法都试过了,本地跑起来服务可以注册上去,但是在公司的测试环境上,由于服务是跑在docker容器上,就会报容器中的host的ip解析在服务注册的时候连接不上去,连接被拒绝的奇葩问题,所以,我们就想对项目进行升级,请看如下解决方法。

2.解决办法

官方版本升级指南

https://github.com/alibaba/spring-cloud-alibaba/wiki/%E7%89%88%E6%9C%AC%E8%AF%B4%E6%98%8E

升级遇到问题参考

https://blog.csdn.net/thc1987/article/details/123638810?spm=1001.2101.3001.6661.1&utm_medium=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-1-123638810-blog-125333903.235%5Ev38%5Epc_relevant_sort_base3&depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-1-123638810-blog-125333903.235%5Ev38%5Epc_relevant_sort_base3&utm_relevant_index=1

官方issue

https://github.com/alibaba/spring-cloud-alibaba/issues/2310

pom依赖如下:

父工程pom


<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>

    

    <groupId>com.xxxgroupId>
    <artifactId>xx-xxartifactId>
    <packaging>pompackaging>
    <version>1.0.0-SNAPSHOTversion>
    <modules>
        <module>xx-apimodule>
        <module>xx-servicemodule>
    modules>

    <distributionManagement>
        <repository>
            <id>nexus-snapshotsid>
            <name>Nexus snapshotsname>
            <url>http://xxxxxxxxurl>
        repository>
    distributionManagement>

    <properties>
        <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8project.reporting.outputEncoding>
        <java.version>1.8java.version>
        <spring-cloud.version>Hoxton.SR12spring-cloud.version>
        <spring-cloud-alibaba.version>2.2.7.RELEASEspring-cloud-alibaba.version>
        <obs.version>[3.21.11,)obs.version>
        <dubbo.version>2.2.7.RELEASEdubbo.version>
        <mybatisplus.version>3.5.1mybatisplus.version>
    properties>

    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-dependenciesartifactId>
                <version>2.3.12.RELEASEversion>
                <type>pomtype>
                <scope>importscope>
            dependency>
            <dependency>
                <groupId>org.springframework.cloudgroupId>
                <artifactId>spring-cloud-dependenciesartifactId>
                <version>${spring-cloud.version}version>
                <type>pomtype>
                <scope>importscope>
            dependency>
            <dependency>
                <groupId>com.alibaba.cloudgroupId>
                <artifactId>spring-cloud-alibaba-dependenciesartifactId>
                <version>${spring-cloud-alibaba.version}version>
                <type>pomtype>
                <scope>importscope>
            dependency>
        dependencies>
    dependencyManagement>

    <dependencies>
        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
        dependency>
        
        <dependency>
            <groupId>com.alibaba.springgroupId>
            <artifactId>spring-context-supportartifactId>
            <version>1.0.11version>
        dependency>
    dependencies>
    
     <repositories>
        <repository>
            <id>nexusid>
            <url>http://xxxxxxxurl>
        repository>
        <repository>
            <id>nexus-snapshotid>
            <url>http://xxxxurl>
        repository>
    repositories>

project>

子模块pom


<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>xx-xxartifactId>
        <groupId>com.xx.xxgroupId>
        <version>1.0.0-SNAPSHOTversion>
    parent>
    <modelVersion>4.0.0modelVersion>

    <artifactId>xxx-serviceartifactId>

    <properties>
        <maven.compiler.source>8maven.compiler.source>
        <maven.compiler.target>8maven.compiler.target>
        <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
        <weixin-java.version>4.5.4.Bweixin-java.version>
        <redisson.version>3.13.4redisson.version>
        <itextpdf.version>5.5.13itextpdf.version>
        <pdfbox.version>2.0.25pdfbox.version>
    properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>
        <dependency>
            <groupId>com.alibaba.cloudgroupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-discoveryartifactId>
        dependency>
        <dependency>
            <groupId>com.alibaba.cloudgroupId>
            <artifactId>spring-cloud-starter-alibaba-nacos-configartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starterartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
        dependency>
        
        <dependency>
            <groupId>com.alibaba.cloudgroupId>
            <artifactId>spring-cloud-starter-dubboartifactId>
            <version>${dubbo.version}version>
        dependency>
        <dependency>
            <groupId>cn.hutoolgroupId>
            <artifactId>hutool-allartifactId>
            <version>5.8.8version>
        dependency>
    dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
                <version>2.3.12.RELEASEversion>
                <configuration>
                    
                    <mainClass>com.xx.xx.ApplicationmainClass>
                configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackagegoal>
                        goals>
                    execution>
                executions>
            plugin>

            <plugin>
                <groupId>org.apache.maven.pluginsgroupId>
                <artifactId>maven-resources-pluginartifactId>
                <configuration>
                    <nonFilteredFileExtensions>
                        <nonFilteredFileExtension>pemnonFilteredFileExtension>
                    nonFilteredFileExtensions>
                configuration>
            plugin>
        plugins>
    build>
project>

3.验证

重启服务提供者后,不需要在重启服务消费者,服务消费者可以正常调用到服务服务提供者的接口的,亲测有效的。

4.总结

实在是抱歉,之前写了一篇坑文,这都是一个实践总结的过程,所以说明了一点,只有对源码足够的熟悉才可以去修改,后面估计是maven的各种依赖的问题导致那两种方案后不可以,后面又写了一版是这种的,新增一个事件监听的类:

@Component
@Slf4j
public class DubboStartListener {

    @EventListener
    public void start(InstancePreRegisteredEvent event) {
        log.info("==============dubbo启动开始=================");
        DubboBootstrap dubboBootstrap = DubboBootstrap.getInstance();
        dubboBootstrap.start();
        log.info("==============dubbo启动结束==================");
    }

}

然后只修改DubboBootstrapApplicationListener类:

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.dubbo.config.spring.context;

import org.apache.dubbo.config.bootstrap.DubboBootstrap;

import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ApplicationContextEvent;
import org.springframework.context.event.ContextClosedEvent;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.core.Ordered;

/**
 * The {@link ApplicationListener} for {@link DubboBootstrap}'s lifecycle when the {@link ContextRefreshedEvent}
 * and {@link ContextClosedEvent} raised
 *
 * @since 2.7.5
 */
public class DubboBootstrapApplicationListener extends OneTimeExecutionApplicationContextEventListener
        implements Ordered {

    /**
     * The bean name of {@link DubboBootstrapApplicationListener}
     *
     * @since 2.7.6
     */
    public static final String BEAN_NAME = "dubboBootstrapApplicationListener";

    private final DubboBootstrap dubboBootstrap;

    public DubboBootstrapApplicationListener() {
        this.dubboBootstrap = DubboBootstrap.getInstance();
    }

    @Override
    public void onApplicationContextEvent(ApplicationContextEvent event) {
        if (event instanceof ContextRefreshedEvent) {
            //onContextRefreshedEvent((ContextRefreshedEvent) event);
        } else if (event instanceof ContextClosedEvent) {
            onContextClosedEvent((ContextClosedEvent) event);
        }
    }

    private void onContextRefreshedEvent(ContextRefreshedEvent event) {
        dubboBootstrap.start();
    }

    private void onContextClosedEvent(ContextClosedEvent event) {
        dubboBootstrap.stop();
    }

    @Override
    public int getOrder() {
        return LOWEST_PRECEDENCE;
    }
}

NacosUpDown这个类移除和其它dubbo源码修改的类移除后,这种方式在本地跑起来是可以正常注册到公司测试环境的nacos上的,dubbo的服务的元数据不为:

dubbo preserved.register.source

但是这种方式部署测试环境后还是不得行,修改源码就是会破坏顺序和流程,开源官方写的东西也是有bug的所以只有升级版本试下可不可以解决,或者熟读源码然后试着去修复,改着玩一样的,希望我的分享对你有帮助,请一键三连么么么哒。

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