![](/img/trans.png)
[英]Creating an Amazon S3 bucket Using the AWS SDK for Java : Exception in thread "main" java.lang.NoClassDefFoundError
[英]Creating an Amazon S3 bucket Using the AWS SDK for Java v2 : Exception in thread "main" java.lang.NoClassDefFoundError
尝试使用 java api 创建 s3 存储桶时出现以下错误:
错误:线程“主”java.lang.NoClassDefFoundError 中的异常:software.amazon.awssdk.protocols.xml.internal.unmarshall.AwsXmlErrorTransformer.(AwsXmlErrorTransformer.java :40) 在 software.amazon.awssdk.protocols.xml.internal.unmarshall.AwsXmlErrorTransformer.(AwsXmlErrorTransformer.java:34) 在 software.amazon.awssdk.protocols.xml.internal.unmarshall.AwsXmlErrorTransformer$Builder.build(AwsXmlErrorTransformer. java:113) 在 software.amazon.awssdk.protocols.xml.AwsS3ProtocolFactory.createErrorCouldBeInBodyResponseHandler(AwsS3ProtocolFactory.java:80) 在 software.amazon.awssdk.protocols.xml.AwsXmlProtocolFactory.createErrorTransformer(AwsXmlProtocolFactory.java:135) .awssdk.services.s3.DefaultS3Client.createBucket(DefaultS3Client.java:1144) at com.act.niti.main(niti.java:33) 原因:java.lang.ClassNotFoundException: software.amazon.awssdk.protocols.query .internal.unmarshall.AwsXmlE rrorUnmarshaller at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at java.lang.ClassLoader.loadClass(ClassLoader.java:418) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355) at java .lang.ClassLoader.loadClass(ClassLoader.java:351) ... 还有 8 个
Code :
try {
Region region = Region.US_EAST_2;
S3Client s3 = S3Client.builder()
.region(region)
.build();
S3Waiter s3Waiter = s3.waiter();
CreateBucketRequest bucketRequest = CreateBucketRequest.builder()
.bucket("abc")
.build();
s3.createBucket(bucketRequest); //creating s3 bucket
System.out.println("bucket........abc");
HeadBucketRequest bucketRequestWait = HeadBucketRequest.builder()
.bucket("abc")
.build();
// Wait until the bucket is created and print out the response
WaiterResponse<HeadBucketResponse> waiterResponse =
s3Waiter.waitUntilBucketExists(bucketRequestWait);
waiterResponse.matched().response().ifPresent(System.out::println);
System.out.println("abc" +" is ready");
} catch (S3Exception e) {
System.err.println(e.awsErrorDetails().errorMessage());
System.exit(1);
}
Note : Using java 8
刚刚测试了这个适用于 Java V2 的 AWS 开发工具包示例,它运行良好——如屏幕截图所示,逐行显示调试。
您的错误看起来像是缺少课程。 您是否使用了此处 POM 文件中显示的 POM 依赖项?
https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javav2/example_code/s3
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.