1.开发环境
JDK1.8
Postgresql 11
Node.js
Yarn
Maven 3.6.3
Git
Idea
Redis
2.克隆源码
git clone https://github.com/thingsboard/thingsboard.git
下载后进到thingsboard文件夹，git checkout到指定的版本，这里切换到thingsboardv3.2.1版本，对应的是java8。
3.编译安装
编译前先做一些准备工作，不然可能遇到各种莫名其妙的错误。
1.node和yarn版本与源码pom.xml中的版本号对应上，避免有些包下载不下来报错，可以下载nvm工具，方便切换不同的node版本，thingsboard3.2.1对应的版本号如下：
<configuration>
<nodeVersion>v12.16.1</nodeVersion>
<yarnVersion>v1.22.4</yarnVersion>
</configuration>
如果不想更换nodejs版本，在ui-ngx\pom.xml，msa模块下 js-executor、web-ui子模块中的pom.xml三处将node修改为本地版本，3.2.1对应的nodejs版本在12~14之间，node版本高了编译会报错。
2.在根目录的pom文件中找到license-maven-plugin，将整个plugin内容注释掉，以免后续License 检查报错。
<!-- <plugin>
<groupId>com.mycila</groupId>
<artifactId>license-maven-plugin</artifactId>
<version>3.0</version>
<configuration>
<header>${main.dir}/license-header-template.txt</header>
<properties>
<owner>The Thingsboard Authors</owner>
</properties>
<excludes>
<exclude>**/.env</exclude>
<exclude>**/*.env</exclude>
<exclude>**/.eslintrc</exclude>
<exclude>**/.babelrc</exclude>
<exclude>**/.jshintrc</exclude>
<exclude>**/.gradle/**</exclude>
<exclude>**/nightwatch</exclude>
<exclude>**/README</exclude>
<exclude>**/LICENSE</exclude>
<exclude>**/banner.txt</exclude>
<exclude>node_modules/**</exclude>
<exclude>**/*.properties</exclude>
<exclude>src/test/resources/**</exclude>
<exclude>src/vendor/**</exclude>
<exclude>src/font/**</exclude>
<exclude>src/sh/**</exclude>
<exclude>packaging/*/scripts/control/**</exclude>
<exclude>packaging/*/scripts/windows/**</exclude>
<exclude>packaging/*/scripts/init/**</exclude>
<exclude>**/*.log</exclude>
<exclude>**/*.current</exclude>
<exclude>.instance_id</exclude>
<exclude>src/main/scripts/control/**</exclude>
<exclude>src/main/scripts/windows/**</exclude>
<exclude>src/main/resources/public/static/rulenode/**</exclude>
<exclude>**/*.proto.js</exclude>
<exclude>docker/haproxy/**</exclude>
<exclude>docker/tb-node/**</exclude>
<exclude>ui/**</exclude>
<exclude>src/.browserslistrc</exclude>
<exclude>**/yarn.lock</exclude>
<exclude>**/*.raw</exclude>
<exclude>**/apache/cassandra/io/**</exclude>
<exclude>.run/**</exclude>
</excludes>
<mapping>
<proto>JAVADOC_STYLE</proto>
<cql>DOUBLEDASHES_STYLE</cql>
<scss>JAVADOC_STYLE</scss>
<jsx>SLASHSTAR_STYLE</jsx>
<tsx>SLASHSTAR_STYLE</tsx>
<conf>SCRIPT_STYLE</conf>
<gradle>JAVADOC_STYLE</gradle>
</mapping>
</configuration>
<executions>
<execution>
<goals>
<goal>check</goal>
</goals>
</execution>
</executions>
</plugin> -->3.修改maven安装目录下conf里的settings.xml配置文件，将镜像修改为以下内容：
<mirror>
<id>nexus-public-snapshots</id>
<mirrorOf>public-snapshots</mirrorOf>
<url>http://maven.aliyun.com/nexus/content/repositories/snapshots/</url>
</mirror>
<mirror>
<id>nexus</id>
<name>internal nexus repository</name>
<url>https://repo.maven.apache.org/maven2</url>
<mirrorOf>central</mirrorOf>
</mirror>
<mirror>
<id>maven-central</id>
<name>central</name>
<url>https://repo1.maven.org/maven2/</url>
<mirrorOf>central</mirrorOf>
</mirror>
<mirror>
<id>uk</id>
<mirrorOf>central</mirrorOf>
<name>Human Readable Name for this Mirror.</name>
<url>http://uk.maven.org/maven2/</url>
</mirror>
<mirror>
<id>CN</id>
<name>OSChina Central</name>
<url>http://maven.oschina.net/content/groups/public/</url>
<mirrorOf>central</mirrorOf>
</mirror>4.在C盘用户目录下，.pkg-cach.v2.6里添加对应的文件
github下载地址：Release v2.6 · vercel/pkg-fetch · GitHub
下载linux和win版本两个文件到本地，下载后重命名为fetched-v12.16.1-win-x64；fetched-v12.16.1-linux-x64，保证和本地nodejs版本一致，如下图：
5.进入thingsboard 文件夹，执行下面的编译命令
mvn clean install -DskipTests
编译时间比较长，遇到网络问题下载失败，可以连接外网或者手机热点，编译成功信息如下：
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for Thingsboard 3.2.1:
[INFO]
[INFO] Thingsboard ........................................ SUCCESS [ 0.240 s]
[INFO] Netty MQTT Client .................................. SUCCESS [ 0.746 s]
[INFO] Thingsboard Server Commons ......................... SUCCESS [ 0.023 s]
[INFO] Thingsboard Server Common Data ..................... SUCCESS [ 0.900 s]
[INFO] Thingsboard Server Common Utils .................... SUCCESS [ 0.075 s]
[INFO] Thingsboard Server Common Messages ................. SUCCESS [ 1.919 s]
[INFO] Thingsboard Actor system ........................... SUCCESS [ 0.086 s]
[INFO] Thingsboard Server Stats ........................... SUCCESS [ 0.107 s]
[INFO] Thingsboard Server Queue components ................ SUCCESS [ 6.500 s]
[INFO] Thingsboard Server Commons ......................... SUCCESS [ 0.026 s]
[INFO] Thingsboard Server Common Transport components ..... SUCCESS [ 1.872 s]
[INFO] Thingsboard MQTT Transport Common .................. SUCCESS [ 0.260 s]
[INFO] Thingsboard HTTP Transport Common .................. SUCCESS [ 0.130 s]
[INFO] Thingsboard CoAP Transport Common .................. SUCCESS [ 0.120 s]
[INFO] Thingsboard Server Common DAO API .................. SUCCESS [ 0.198 s]
[INFO] Thingsboard Extensions ............................. SUCCESS [ 0.025 s]
[INFO] Thingsboard Rule Engine API ........................ SUCCESS [ 0.153 s]
[INFO] Thingsboard Server DAO Layer ....................... SUCCESS [ 0.634 s]
[INFO] Thingsboard Rule Engine Components ................. SUCCESS [ 0.659 s]
[INFO] Thingsboard Server Transport Modules ............... SUCCESS [ 0.023 s]
[INFO] Thingsboard HTTP Transport Service ................. SUCCESS [ 14.392 s]
[INFO] Thingsboard MQTT Transport Service ................. SUCCESS [ 12.769 s]
[INFO] Thingsboard CoAP Transport Service ................. SUCCESS [ 12.785 s]
[INFO] ThingsBoard Server UI .............................. SUCCESS [01:12 min]
[INFO] Thingsboard Server Tools ........................... SUCCESS [ 0.153 s]
[INFO] Thingsboard Rest Client ............................ SUCCESS [ 0.117 s]
[INFO] ThingsBoard Server Application ..................... SUCCESS [ 25.174 s]
[INFO] ThingsBoard Microservices .......................... SUCCESS [ 0.019 s]
[INFO] ThingsBoard Docker Images .......................... SUCCESS [ 0.684 s]
[INFO] ThingsBoard JavaScript Executor Microservice ....... SUCCESS [01:12 min]
[INFO] ThingsBoard Web UI Microservice .................... SUCCESS [ 19.659 s]
[INFO] ThingsBoard Node Microservice ...................... SUCCESS [ 0.136 s]
[INFO] ThingsBoard Transport Microservices ................ SUCCESS [ 0.016 s]
[INFO] ThingsBoard MQTT Transport Microservice ............ SUCCESS [ 0.088 s]
[INFO] ThingsBoard HTTP Transport Microservice ............ SUCCESS [ 0.092 s]
[INFO] ThingsBoard COAP Transport Microservice ............ SUCCESS [ 0.086 s]
[INFO] ThingsBoard Black Box Tests ........................ SUCCESS [ 22.715 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 04:29 min
[INFO] Finished at: 2022-09-05T13:20:23+08:00
[INFO] ------------------------------------------------------------------------
基本的环境安装或者遇到更多编译错误可以参考下面的文章：Thingsboard入门教程：本地环境搭建和源码编译安装，献给thingsboard编译失败的同学，教程不断优化 · 物联网技术社区-物联网平台-ThingsBoard
编译成功后，配置好数据库，就可以成功运行啦。