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Developer one
System.StringException: BLOB is not a valid UTF-8 string
I'm trying to get an event log file using a custom Rest web service.
But when I try to convert the logFile to String type using the Blob.toString () method, the error message written in the title is returned.
And, this error does not occur if you use the same method on the Anonymous window.
It confuses me more and more.
Please tell me the cause.
Thanks.
https://developer.salesforce.com/forums/?id=906F00000008mCnIAI