Spring Azure Function - 从 IntelliJ Azure Toolkit 运行时无法加载主类

Question

我正在尝试从 IntelliJ 执行 Spring Azure Functions。

我使用的示例在这里：

https://github.com/spring-cloud/spring-cloud-function/tree/main/spring-cloud-function-samples/function-sample-azure-http-trigger

当我单击 IntelliJ 上的“运行 Azure 函数”按钮时：

应用程序正常启动，但当我尝试访问任何端点时失败：

http://localhost:7071/api/scf

出现错误：

[2023-09-13T12:59:34.868Z] System.Private.CoreLib: Exception while executing function: Functions.bean. System.Private.CoreLib: Result: Failure
Exception: IllegalArgumentException: Failed to locate main class
Stack: java.lang.IllegalStateException: Failed to initialize

仅当从 IntelliJ 运行时才会发生这种情况。当我使用命令时不会发生这种情况：

mvn azure-functions:run

错误的可能原因：

应用程序在使用插件时无法找到

pom.xml

中定义的“起始类”：

<start-class>com.example.azure.di.httptriggerdemo.HttpTriggerDemoApplication</start-class>

您可以通过插件与 Maven 运行应用程序时的跟踪差异看出：

插件版本：（看起来错误的地方）

[2023-09-13T12:59:34.390Z] Executing 'Functions.bean' (Reason='This function was programmatically called via the host APIs.', Id=e363957c-09eb-4602-b76b-97a419b8f938)
[2023-09-13T12:59:34.698Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.699Z] INFO: Searching for start class in manifest: jar:file:/C:/Program%20Files/Microsoft/Azure%20Functions%20Core%20Tools/workers/java/azure-functions-java-worker.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.700Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.700Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-cloud-function-context-4.1.0-20230911.141441-157.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.702Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.702Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-cloud-function-core-4.1.0-20230911.141334-157.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.704Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.704Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-core-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.706Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.707Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/azure-httptrigger-demo.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.709Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.709Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-messaging-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.711Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.711Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/micrometer-observation-1.12.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.713Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.713Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-cloud-function-adapter-azure-4.1.0-20230911.141719-144.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.714Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.714Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-context-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.715Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.715Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-boot-3.2.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.716Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.716Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-aop-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.720Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.720Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/jackson-annotations-2.15.2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.722Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.723Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/reactive-streams-1.0.4.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.724Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.724Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/jakarta.annotation-api-2.1.1.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.726Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.726Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-expression-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.729Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.729Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/snakeyaml-2.1.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.732Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.732Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/reactor-core-3.6.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.734Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.734Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/micrometer-commons-1.12.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.735Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.736Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/typetools-0.6.2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.737Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.738Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-boot-autoconfigure-3.2.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.740Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.740Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/jackson-core-2.15.2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.740Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.743Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-jcl-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.743Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.743Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-boot-starter-3.2.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.762Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.763Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/azure-functions-java-library-3.0.0.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.764Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.764Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/jackson-databind-2.15.2.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.766Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.766Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/spring-beans-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.780Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.781Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/AppData/Local/Temp/azure-functions6066515897205809182/lib/azure-functions-java-spi-1.0.0.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.782Z] Sep 13, 2023 6:29:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T12:59:34.782Z] INFO: Searching for start class in manifest: jar:file:/C:/Program%20Files/Microsoft/Azure%20Functions%20Core%20Tools/workers/java/annotationLib/azure-functions-java-library-2.0.1-SNAPSHOT.jar!/META-INF/MANIFEST.MF
[2023-09-13T12:59:34.867Z] Executed 'Functions.bean' (Failed, Id=e363957c-09eb-4602-b76b-97a419b8f938, Duration=536ms)
[2023-09-13T12:59:34.868Z] System.Private.CoreLib: Exception while executing function: Functions.bean. System.Private.CoreLib: Result: Failure
Exception: IllegalArgumentException: Failed to locate main class
Stack: java.lang.IllegalStateException: Failed to initialize

Maven版本（在正确的位置查找并找到启动类）：

[2023-09-13T13:01:33.990Z] Executing 'Functions.bean' (Reason='This function was programmatically called via the host APIs.', Id=532d5eb5-6323-4de9-b294-27911cb6fdea)
[2023-09-13T13:01:34.153Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.154Z] INFO: Searching for start class in manifest: jar:file:/C:/Program%20Files/Microsoft/Azure%20Functions%20Core%20Tools/workers/java/azure-functions-java-worker.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.158Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.159Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/lib/reactive-streams-1.0.4.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.164Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.165Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/lib/spring-boot-3.2.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.171Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.172Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/lib/azure-functions-java-spi-1.0.0.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.173Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.174Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/lib/micrometer-commons-1.12.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.180Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.181Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/lib/reactor-core-3.6.0-M2.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.183Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.185Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/lib/azure-functions-java-library-3.0.0.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.186Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.187Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/lib/spring-core-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.190Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.191Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/lib/spring-aop-6.1.0-M4.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.192Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.195Z] INFO: Searching for start class in manifest: jar:file:/C:/Users/ng.newbie/IdeaProjects/spring-cloud-function/spring-cloud-f
unction-samples/function-sample-azure-http-trigger/target/azure-functions/spring-cloud-function-samples/azure-httptrigger-demo-0.0.1-SNAPSHOT.jar!/META-INF/MANIFEST.MF
[2023-09-13T13:01:34.196Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.197Z] INFO: Loaded Start Class: class com.example.azure.di.httptriggerdemo.HttpTriggerDemoApplication
[2023-09-13T13:01:34.198Z] Sep 13, 2023 6:31:34 PM org.springframework.cloud.function.utils.FunctionClassUtils getStartClass
[2023-09-13T13:01:34.198Z] INFO: Main class: class com.example.azure.di.httptriggerdemo.

我相信发生这种情况的原因是因为一开始使用了瘦布局插件来更改布局：

         <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <dependencies>
                    <dependency>
                        <groupId>org.springframework.boot.experimental</groupId>
                        <artifactId>spring-boot-thin-layout</artifactId>
                        <version>${spring-boot-thin-layout.version}</version>
                    </dependency>
                </dependencies>
            </plugin>

根据@tzolov 的评论，如果你声明

MAIN_CLASS

作为环境变量它可以工作。

如果您想添加到本地运行中，请将其添加到“运行配置”中：

Answer 1

正如 Main-Class Configuration 文档所建议的，可以使用

MAIN_CLASS

环境变量在 IDE 的运行配置中显式设置主类。