java AWS Lambda Cloudwatch规则
我创建了具有以下事件模式的CloudWatch规则:
{
"detail-type": [
"EMR Cluster State Change"
],
"source": [
"aws.emr"
]
}
其思想是,每当集群的状态发生变化时,它都会调用lambda函数
现在的问题是,当它调用lambda函数时,我得到以下错误:
An error occurred during JSON parsing: java.lang.RuntimeException
java.lang.RuntimeException: An error occurred during JSON parsing
Caused by: java.io.UncheckedIOException: com.fasterxml.jackson.databind.JsonMappingException: Conflicting setter definitions for property "state": com.amazonaws.services.cloudwatchevents.model.Rule#setState(1 params) vs com.amazonaws.services.cloudwatchevents.model.Rule#setState(1 params)
Caused by: com.fasterxml.jackson.databind.JsonMappingException: Conflicting setter definitions for property "state": com.amazonaws.services.cloudwatchevents.model.Rule#setState(1 params) vs com.amazonaws.services.cloudwatchevents.model.Rule#setState(1 params)
代码为:
import com.amazonaws.services.lambda.runtime.Context;
import com.amazonaws.services.lambda.runtime.RequestHandler;
import com.amazonaws.services.cloudwatchevents.model.Rule;
public class ErrorLambda implements RequestHandler<Rule, String> {
private static final Logger LOG = Logger.getLogger(ErrorLambda.class);
public String handleRequest(Rule input, Context context) {
LOG.info("Rule is " + input);
return "Ok";
}
}
那么,我应该使用哪个类来解析CloudWatch规则事件强>
多谢各位
# 1 楼答案
您可以收听文档中键入的事件之一
http://docs.aws.amazon.com/AmazonCloudWatch/latest/events/EventTypes.html
规则是而不是一个cloudwatch事件
您还可以定义一个动态对象,并获取发送到Lambda的对象的详细信息
希望有帮助