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Exception warning

 
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Hibernate Spring Java
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I am working with exceptions and getting this warning. I am using Eclipse IDE. Does anyone know what this means? My code is working.

The serializable class BadFoodException does not declare a static final serialVersionUID field of type long
 
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Go into quickfix and see the options it gives you.
 
Higgledy Smith
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I did that, it made the compiler happy. I guess this is some type of version variable for my code.
 
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