- html - 出于某种原因,IE8 对我的 Sass 文件中继承的 html5 CSS 不友好?
- JMeter 在响应断言中使用 span 标签的问题
- html - 在 :hover and :active? 上具有不同效果的 CSS 动画
- html - 相对于居中的 html 内容固定的 CSS 重复背景?
当我尝试实例化 AWSSNSClient 时,出现错误“未找到类定义”。此代码未在 AWS Lambda 的本地系统中运行。这是我的 Java 代码
18-> AmazonSNSClient snsClient = new AmazonSNSClient(credentials);
snsClient.setRegion(Region.getRegion(Regions.));
ObjectMapper Obj = new ObjectMapper();
PublishRequest publishRequest = new PublishRequest();
publishRequest.setTargetArn("");
publishRequest.setMessage("");
PublishResult publishResponse = snsClient.publish(publishRequest);
我的pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.4.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.cmds</groupId>
<artifactId></artifactId>
<version>0.0.1-SNAPSHOT</version>
<name></name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-java-sdk-bom</artifactId>
<version>1.11.379</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-kubernetes-config</artifactId>
<version>1.1.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.integration</groupId>
<artifactId>spring-integration-flow</artifactId>
<version>1.0.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>5.2.3.RELEASE</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>amazon-sqs-java-messaging-lib</artifactId>
<version>1.0.8</version>
</dependency>
<dependency>
<groupId>com.amazonaws</groupId>
<artifactId>aws-java-sdk-sns</artifactId>
<version>1.11.721</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
当java代码执行时,我收到以下错误
java.lang.NoClassDefFoundError:com/amazonaws/services/sns/AmazonSNSClient在 com.cmds.booking.infrastruct.SNSService.publishMessage(SNSService.java:18)
有任何依赖性问题吗?我哪里出错了?
最佳答案
我已尽我所能检查了您的 Java 代码片段,并且注意到了两个问题:
( i ) 下面的行不完整:
snsClient.setRegion(Region.getRegion(Regions.));
并且应该更改为:
snsClient.setRegion(Region.getRegion(Regions.US_EAST_1)); //US_EAST_1 can be replaced with your desired region
( ii ) 以下声明已弃用:
new AmazonSNSClient(credentials)
和
snsClient.setRegion(Region.getRegion(Regions.fromName(region)));
相反,AWS 服务客户端应按如下方式创建:
如果您使用凭证文件,则可以使用以下内容:
BasicAWSCredentials basicAwsCredentials = new BasicAWSCredentials(AccessKey,SecretAccessKey);
AmazonSNS snsClient = AmazonSNSClient
.builder()
.withRegion(your_region)
.withCredentials(new AWSStaticCredentialsProvider(basicAwsCredentials))
.build();
如果您要使用 InstanceProfileCredentialProvider 那么您可以使用以下内容:
AmazonSNS sns = AmazonSNSClientBuilder
.standard()
.withCredentials(new InstanceProfileCredentialsProvider(true))
.build();
更多信息可以在 AWS Java developer guide 上找到
希望这有帮助!
关于java - NoClassDefFound错误: AmazonSNSClient in Java SDK,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/60216343/
how to send a Textmessage 上的官方 aws 文档在 Java 中使用 aws SDK 非常简单。 但是,当发送如底部示例所示的消息时,我收到错误 User: arn:aws:
当我尝试实例化 AWSSNSClient 时,出现错误“未找到类定义”。此代码未在 AWS Lambda 的本地系统中运行。这是我的 Java 代码 18-> AmazonSNSClient
在 Android 9 (API 28) 中,我的应用程序在创建新的 AmazonSNSClient 时崩溃(在 API 26 中我没有收到任何错误): AmazonSNSClient pushCli
我想在我的 Android 应用程序中使用 Amazon SNS AmazonSNSClient snsClient = new AmazonSNSClient(new ClasspathProper
我是一名优秀的程序员,十分优秀!