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나는 컬을 통해 아마존 렉스 API를 호출하려고하고 그렇게함으로써 나는이 오류와 함께 붙어 :InvalidSignatureException : 자격 증명 서비스 수정 범위되어야한다 : '렉스'
<InvalidSignatureException>
<Message>InvalidSignatureException: Credential should be scoped to correct service: 'lex'. </Message>
</InvalidSignatureException>
내 컬 요청 :
curl -X GET \
'https://runtime.lex.us-east-1.amazonaws.com/bots/botname/versions/versionoralias' \
-H 'authorization: AWS4-HMAC-SHA256 Credential=xxxxxxxxxxxx/20171228/us-east-1/execute-api/aws4_request, SignedHeaders=content-type;host;x-amz-date, Signature=xxxxxxxxxxxxxxxx' \
-H 'cache-control: no-cache' \
-H 'content-type: application/json' \
-H 'x-amz-date: 20171228T114646Z'