Thirumal :
In version 2.1.0, spring.servlet.multipart.max-file-size property failed to bind org.springframework.util.unit.DataSize.
Property : spring.servlet.multipart.maxFileSize= 50Mb
Exception
Description:
Failed to bind properties under 'spring.servlet.multipart.max-file-size' to org.springframework.util.unit.DataSize:
Property: spring.servlet.multipart.maxfilesize
Value: 50Mb
Origin: "spring.servlet.multipart.maxFileSize" from property source "bootstrapProperties"
Reason: failed to convert java.lang.String to @org.springframework.boot.convert.DataSizeUnit org.springframework.util.unit.DataSize
Action:
Update your application's configuration
Thirumal :
As Michael & Stahorszki mentioned
"B"
must be capital
Property : spring.servlet.multipart.maxFileSize= 50MB