AWS Lamba不断接收空SQS事件消息

Question

我是AWS的亲戚，所以如果这是一个愚蠢的问题，请道歉。

我有一个用Java编写的AWS Lambda。我还有一个接收AWS S3事件消息的SQS队列。然后，我针对SQS队列创建了一个Lambda触发器，以便我的Lambda将S3事件作为SQS消息接收并适当地处理它们。

public class SQSEventHandler implements RequestHandler<SQSEvent, Void> {
    @Override
    public Void handleRequest(SQSEvent sqsEvent, Context context) {
        if (sqsEvent != null) {
            LOGGER.debug("Received SQS event: {}", sqsEvent.toString());
            ... do stuff...

02:54:16 START RequestId: d5454080-8ea3-4c44-93e9-caa5bd903599 Version: $LATEST
02:54:16 [2020-02-13 02:54:16.220] - [d5454080-8ea3-4c44-93e9-caa5bd903599] DEBUG <package>.SQSEventHandler - Received SQS event: {}
02:54:16 END RequestId: d5454080-8ea3-4c44-93e9-caa5bd903599
02:54:16 REPORT RequestId: d5454080-8ea3-4c44-93e9-caa5bd903599 Duration: 1.05 ms Billed Duration: 100 ms Memory Size: 512 MB Max Memory Used: 161 MB
02:56:16 START RequestId: 9d5acbba-b96c-47e9-81c2-2d448e4ca6e9 Version: $LATEST
02:56:16 [2020-02-13 02:56:16.386] - [9d5acbba-b96c-47e9-81c2-2d448e4ca6e9] DEBUG <package>.SQSEventHandler - Received SQS event: {}
02:56:16 END RequestId: 9d5acbba-b96c-47e9-81c2-2d448e4ca6e9
02:56:16 REPORT RequestId: 9d5acbba-b96c-47e9-81c2-2d448e4ca6e9 Duration: 1.23 ms Billed Duration: 100 ms Memory Size: 512 MB Max Memory Used: 161 MB
02:58:16 START RequestId: 54bc4fa4-bcaf-4834-9185-09c9c7e2d757 Version: $LATEST
02:58:16 [2020-02-13 02:58:16.451] - [54bc4fa4-bcaf-4834-9185-09c9c7e2d757] DEBUG <package>.SQSEventHandler - Received SQS event: {}
02:58:16 END RequestId: 54bc4fa4-bcaf-4834-9185-09c9c7e2d757
02:58:16 REPORT RequestId: 54bc4fa4-bcaf-4834-9185-09c9c7e2d757 Duration: 1.01 ms Billed Duration: 100 ms Memory Size: 512 MB Max Memory Used: 161 MB

如您所见，SQS事件对象不为null，但在toString（）调用中不生成任何内容。

我不知道是什么问题--任何帮助都将不胜感激。

Answer 1

我不知道，有一个CloudWatch规则被设置为每两分钟向我的Lambda发送一条消息。一旦找到了这个位置，我就禁用了这个规则，Lambda不再被触发。