下載地址

https://github.com/spring-projects/spring-boot/tags
找到V2.2.9

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編譯

解壓文件，進入文件spring-boot-2.2.9RELEASE，執(zhí)行命令

mvn clean install -DskipTests -Pfast

編譯構(gòu)建如果發(fā)生如下異常：
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.6.0:exec (gradle) on project spring-boot-gradle-plugin: Command execution failed.: Process exited with an error: 1 (Exit value: 1) -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <args> -rf :spring-boot-gradle-plugin
則執(zhí)行命令：

mvn clean -rf :spring-boot-gradle-plugin

發(fā)生構(gòu)建成功過了

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然后使用idea到如spring-boot-2.2.9.RELEASE即可

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