Spring @Value TypeMismatchException:Failed to convert value of type 'java.lang.String' to required type 'java.lang.Double'

时光总嘲笑我的痴心妄想 提交于 2019-12-02 23:36:42

Try changing the following line

@Value("${item.priceFactor}")

to

@Value("#{new Double('${item.priceFactor}')}")

This should solve the problem-

@Value("#{new Double.parseDouble('${item.priceFactor}')}")
private Double priceFactor;

How about storing a String and converting to numbers like integers and doubles through getters and setters? For safe code with Java injection you should always use getters and setters and only for other methods in any case. I advice you warmly to read about java security (Which is NOT for hackers), but more for code usage and writing likewise the one you uploaded, wich uses injection.

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