Serverless Functions with Spring Cloud Function 是我正在使用的 Baeldung 文章。我更改了他们推荐的 aws-adapter 依赖项,因为在 maven 中导入失败,所以我找到了 3.0.1.RELEASE 版本并改用它。所有错误都消失了,我将项目上传为 .jar 文件。我尝试了“maven package”和“maven clean shade”命令来创建一个.jar文件并直接上传到lambda函数。我按照他们的指示在 lambda 函数中指定处理程序。有谁知道我可能遇到这个问题的任何其他原因。
java.lang.ClassNotFoundException: package.MyStringHandlers
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:348)
{
"errorMessage": "Class not found: package.MyStringHandlers",
"errorType": "java.lang.ClassNotFoundException"
}
<dependencies>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-events</artifactId>
<version>2.0.2</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-lambda-java-core</artifactId>
<version>1.1.0</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.boot.experimental/spring-boot-thin-layout -->
<dependency>
<groupId>org.springframework.boot.experimental</groupId>
<artifactId>spring-boot-thin-layout</artifactId>
<version>1.0.23.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-function-web</artifactId>
<version>1.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-function-adapter-aws</artifactId>
<version>3.0.1.RELEASE</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-deploy-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<configuration>
<createDependencyReducedPom>false</createDependencyReducedPom>
<shadedArtifactAttached>true</shadedArtifactAttached>
<shadedClassifierName>aws</shadedClassifierName>
</configuration>
</plugin>
</plugins>
</build>
</project>