Unable to publish CloudWatch latency and result metrics with timestamp

Question

reproduction
1. Created Canary
2. specific free api (https://weather.tsukumijima.net/api/forecast/city/400040)
3. I didn't edit lambda script not at all(default).
4. Not use VPC

what happened
- Summary status is failed
![problem](/media/postImages/original/IMK3vm2VA5STClL6P2icElhQ)
- but step is success 
![step is success](/media/postImages/original/IMh3JkC8kCQN-UtHodzMDzIw)
- I found logs published lambda is below
```
ERROR	Execution error: Unable to publish CloudWatch latency and result metrics with timestamp: Tue Oct 04 2022 03:52:10 GMT+0000 (Coordinated Universal Time) for canary name: test result: PASSED with start time: Tue Oct 04 2022 03:52:17 GMT+0000 (Coordinated Universal Time) and end time: Tue Oct 04 2022 03:52:17 GMT+0000 (Coordinated Universal Time) and stepName: 検証 weather.tsukumijima.net, Exception:  InvalidParameterValue: The value for parameter MetricData.member.1.Dimensions.member.2.Value contains non-ASCII characters.
```

What is any hint or solution?

thank u

Answer

I ran into the same problem.
It seems that if the string "検証" is included, the error occurs due to a character code problem. Why don't you try using only English instead of Japanese?

Unable to publish CloudWatch latency and result metrics with timestamp

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