在调用 Lambda 函数时你可能遇到以下错误：
==================== INVOCATION ERROR ====================
com.amazonaws.services.lambda.model.InvalidRequestContentException: Could not parse request body into json: Unrecognized token 'first': was expecting 'null', 'true', 'false' or NaN
at [Source: [B@1bc84b8d; line: 1, column: 7] (Service: AWSLambda; Status Code: 400; Error Code: InvalidRequestContentException; Request ID: 946370eb-33cc-11e8-ada5-xxxxxxxxxxx)
这是因为在调用时输入的参数格式不对！
输入的JSON字符串需要添加双引号
调用成功可以看到以下控制台输出：
Skip uploading function code since no local change is found...
Invoking function...
==================== FUNCTION OUTPUT ====================
"Hello, first lambda!"
==================== FUNCTION LOG OUTPUT ====================
START RequestId: fddbb722-33cc-11e8-8d29-xxxxxxx Version: $LATEST
Input: first lambdaEND RequestId: fddbb722-33cc-11e8-8d29-xxxxxxxxxxx
REPORT RequestId: fddbb722-33cc-11e8-8d29-xxxxxxxxx Duration: 18.62 ms Billed Duration: 100 ms Memory Size: 256 MB Max Memory Used: 43 MB
2018-07-12更新
有小伙伴使用Python时遇到类似的问题
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s.headers.update(headers) result = s.post(url, data=data) python3 使用requests 去POS请求一个接口，结果服务器报错了
错误提示是JSON 解析错误，在post之前需要对字典进行处理吗？
原始的报错信息是这个
JSON parse error: Unrecognized token 'from': was expecting 'null', 'true', 'false' or NaN; nested exception is com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'from': was expecting 'null', 'true', 'false' or NaN
我的回复：
result = s.post(url, data=data)
看看你提交的数据 data，格式是不是有问题
他：
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{'size': 20, 'catalogueId': '473', 'from': 0}
很正常的一个dic呀
需要把dic转换一下，文档上面却没要求转
我：哪个文档？
