Call to method of static java.text.DateFormat not advisable?

Question

I am receiving a Find Bugs error - call to method of static java.text.DateFormat and I don\'t know the reason why it\'s not good / advisable to be

Answer 1

Are you sure it's not

private static final DateFormat yymmdd = new SimpleDateFormat("yyMMdd"); 

? That's what the error message indicates.

I think what it aims at is the fact that DateFormat is not thread safe, so having an instance as a static field indicates potential race conditions.