英文:
Local start/debug Spring Boot Application from dependency and include SPI
问题
我们有一个大型项目，部署后运行，但我不知道如何在本地启动它（使用Eclipse、IntelliJ）。
在我们的核心项目中，有一个启动配置，其中包含一个主要方法，并标记为@SpringBootApplication。核心项目是我们的电子邮件项目和一些其他项目的依赖项。此外，我们还有一个依赖于目标系统的SPI。
我想一次调试这3个项目 - 核心项目、电子邮件项目和活动SPI。我有两个主要问题：
1）如何启动Spring应用程序？IDE无法找到依赖项中的主要方法。它不是一个Web服务器，而是使用Spring注解启动的应用程序。
2）如何添加具有源代码的SPI项目，以便我可以调试它？
此外，我必须提到我们使用Gradle进行单项目构建。我们将升级到Java 17，也许如果我们在Gradle中创建一个多项目，问题会更容易解决？针对这种情况，构建脚本应该是什么样子的？
英文:
We have a large project that runs after deploying, but I do not know how to start it local (Eclipse, Intellij).
We have in our core project a start configuration with a main method and it is marked as @SpringBootApplication. The core project is a dependency of our email project and some other projects. Also we have a SPI that depends on target system.
I want to debug all 3 projects at once - core, email and the active SPI. I have two major problems:
- How to start the spring application? The IDE can not find the main method from the dependency. It is not a web server but an application that uses spring annotations to start.
- How to add the SPI project with source code, so I can debug it?
Also I have to mention that we use Gradle with single project builds. We will update to Java 17 and maybe it is easier to solve if we create a multiproject in Gradle? What should a build script for this use case look like?
答案1
得分: 1
可以使用Gradle Composite Builds来调试多个项目。在settings.gradle中将核心项目和SPI项目添加到邮件项目中：
rootProject.name = 'projEmail'
includeBuild '../projCore'
includeBuild '../projLinux' //SPI
SPI项目还必须作为测试依赖项添加。然后，可以在测试源代码中编写一个启动类，类似于核心项目中的启动类：
public static void main(String[] args)
{
LOG.info("Start email project with Spring Boot");
// 调用核心项目中启动Spring的类（带有@SpringBootApplication注解的类）
SpringApplication app = new SpringApplication(MainAppSpringConfiguration.class);
app.run(args);
}
所以没有什么特别需要做的。我不得不停止搜索类似问题的答案，而是按照Spring Boot文档的指导进行操作：“您可以从IDE中将Spring Boot应用程序作为Java应用程序运行”。
英文:
It is possible to debug multiple projects by using Gradle Composite Builds. Add the core project and the SPI project to the email project in settings.gradle:
rootProject.name = 'projEmail'
includeBuild '../projCore'
includeBuild '../projLinux' //SPI
The SPI must be added as test dependency, too. Then it is possible to write a starter class in the test sources - similar to the one in the core project:
public static void main(String[] args)
{
LOG.info("Start email project with Spring Boot");
//Call the class in core that starts spring (class with @SpringBootApplication)
SpringApplication app = new SpringApplication(MainAppSpringConfiguration.class);
app.run(args);
}
So there is nothing special to do. I had to stop searching for an answer at similar questions and follow the Spring Boot documentation: "You can run a Spring Boot application from your IDE as a Java application.".
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