I have to correct myself, ThreadLocal is not used. But HashMap is used in AsyncAppender since at least 1.2.14, In LoggingEvent since 1.2.15 and more recently in EnhancedThrowableRenderer (not yet released).
Gilles Scokart 2009/6/24 Gilles Scokart <[email protected]> > Looking on the mailing list [1] and on bugzilla [2] I got the info that > log4j 1.2.x target JDK 1.1. The website [3] doesn't say something > different. > > However, when I look in the code, I see some usage of classes that only > exists in 1.2 (HashMap and ThreadLocal for instance, and there is probably > others). > The usage of the targeting in the compilers is just completely broken, > because the compiler just produce byte code in the targeting format, but > doesn't check if you are using new classes/methods. It unfortunately > doesn't check the 'since' tags of the methods (the Sun compiler at least). > > So, I'm afraid the target target 1.1 specified in the pom [4] should be > changed (or you should find a 1.1 build environment, or at least a 1.1 test > environment). > > > > [1] http://markmail.org/message/whsluupp4nub7hb3 > [2] https://issues.apache.org/bugzilla/show_bug.cgi?id=42189#c18 > [3] http://logging.apache.org/log4j/1.2/faq.html#1.3 > [4] http://svn.apache.org/repos/asf/logging/log4j/trunk/pom.xml > > > > Gilles Scokart >
