我目前正在使用lambda在AWS中开发一个微服务。有时，当接收方lambda调用另一个lambda时，从一个lambda调用到另一个lambda会失败。错误如下:
errorMessage
Signature expired: 20210825T214414Z is now earlier than 20210825T214616Z (20210825T215116Z - 5 min.)
errorType
InvalidSignatureException
name
InvalidSignatureException
stack.0
InvalidSignatureException: Signature expired: 20210825T214414Z is now earlier than 20210825T214616Z (20210825T215116Z - 5 min.)
stack.1
at deserializeAws_restJson1InvokeCommandError (/var/task/node_modules/@aws-sdk/client-lambda/dist/cjs/protocols/Aws_restJson1.js:5106:41)
stack.2
at runMicrotasks (<anonymous>)
stack.3
at processTicksAndRejections (internal/process/task_queues.js:95:5)
stack.4
at async /var/task/node_modules/@aws-sdk/middleware-serde/dist/cjs/deserializerMiddleware.js:6:20
stack.5
at async /var/task/node_modules/@aws-sdk/middleware-signing/dist/cjs/middleware.js:12:24
stack.6
at async StandardRetryStrategy.retry (/var/task/node_modules/@aws-sdk/middleware-retry/dist/cjs/StandardRetryStrategy.js:51:46)
stack.7
at async /var/task/node_modules/@aws-sdk/middleware-logger/dist/cjs/loggerMiddleware.js:6:22
stack.8
at async InvokeLambdaAdapter.sendCommand (/var/task/invokeLambdaAdapter.js:61:24)
我们使用javascript aws lambda客户端，并运行3.20版本。我不确定是什么原因造成的。我认为这是一个时钟问题，但纠正时钟倾斜是烘烤到请求，这不是一个本地时钟的问题，因为lambda与NTP同步。任何建议都有帮助!
好奇的人。问题的最终结果是为多个请求重用aws lambda客户端。当我们让请求为每个请求创建一个新客户端时，这个问题就消失了。