Spring Cloud Functions GCP：未实现 com.google.cloud.functions.HttpFunction

问题描述

当我在 GCP 云函数中部署我的 jar 文件时，出现以下异常

2021-03-11T17:30:04.835Zarun-function-http Exception in thread "main" java.lang.RuntimeException: Class com.arun.serverless.CloudFunctionMain does not implement com.google.cloud.functions.HttpFunction at com.google.cloud.functions.invoker.HttpFunctionExecutor.forClass(HttpFunctionExecutor.java:47) at com.google.cloud.functions.invoker.runner.Invoker.startServer(Invoker.java:252) at com.google.cloud.functions.invoker.runner.Invoker.main(Invoker.java:127)
Exception in thread "main" java.lang.RuntimeException: Class com.arun.serverless.CloudFunctionMain does not implement com.google.cloud.functions.HttpFunction at com.google.cloud.functions.invoker.HttpFunctionExecutor.forClass(HttpFunctionExecutor.java:47) at com.google.cloud.functions.invoker.runner.Invoker.startServer(Invoker.java:252) at com.google.cloud.functions.invoker.runner.Invoker.main(Invoker.java:127)

这是我在 CLI 中遇到的另一个错误

ERROR: (gcloud.alpha.functions.deploy) OperationError: code=3,message=Build Failed: build succeeded but did not produce the class "org.springframework.cloud.function.adapter.gcp.GcfJarLauncher" specified as the function target: Error: class not found: org.springframework.cloud.function.adapter.gcp.GcfJarLauncher; Error ID: d818fd83

This is my source code

这是我的春季主课

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class CloudFunctionMain {

    public static void main(String[] args) {
        SpringApplication.run(CloudFunctionMain.class,args);
    }

}

这是我的职责

import java.util.function.Function;

public class ReverseString implements Function<String,String> {

    @Override
    public String apply(String actualString) {
        return "The reversed string is " + new StringBuilder(actualString).reverse().toString();
    }
}

这是我的 build.gradle 包含的内容

plugins {
    id 'java'
}

group 'com.arun'
//version '1.0'

repositories {
    mavenRepository()
}

dependencies {
    implementation 'org.springframework.cloud:spring-cloud-function-adapter-gcp:3.1.1'
    implementation 'org.springframework.cloud:spring-cloud-starter-function-web:3.1.1'
}

它在我的本地工作得很好......但是当我在 GCP Cloud 函数中部署时，它没有开始和停止，除了我粘贴在上面

解决方法

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