RE: Thread Safety Question (was Formatting Dates, Integers...)

2002-02-05 Thread Greg Hess
in a method or be a globaly syncronized object for all to use? -Original Message- From: Jeff Martin [mailto:[EMAIL PROTECTED]] Sent: Tuesday, February 05, 2002 12:26 PM To: Struts Users Mailing List Subject: RE: Thread Safety Question (was Formatting Dates, Integers...) Any u

RE: Thread Safety Question (was Formatting Dates, Integers...)

2002-02-05 Thread Jeff Martin
Any use of java.text.DateFormat (or its subclasses) format method is thread unsafe (quite to my surprise). The problem comes from DateFormat holding an instance of a Calendar to help it break the java.util.Date into pieces. When a second thread calls format() while another thread is still in fo