Apache Log4j-2.0 发布第 9 个 Beta 版本，新特性包括：
o LOG4J2-399: Allow the default file rollover strategy to define the compression level.
o LOG4J2-338: Add TLSAppender. Also added missing license headers to several files. Thanks to Tibor Benke.
o LOG4J2-253: Added FAQ page to the site.
o LOG4J2-362: Add a diagram to the site (FAQ page) that explains when to use which jar.
o LOG4J2-374: Add more options to PatternLayout to display more detailed information about a Throwable. Thanks to Tibor Benke.
o LOG4J2-383: [Pattern Layout] Customize level names by length.
o LOG4J2-384: [Pattern Layout] Customize level names to lower-case.
o LOG4J2-364: Add WebLookup to retrieve information from the ServletContext. Thanks to David Nault.
o LOG4J2-360: Allow Plugins to have aliases.
o LOG4J2-356: Create a JSON Layout.
o LOG4J2-341: Enable XInclude for XML configurations.
o LOG4J2-313: Add JNDILookup plugin. Thanks to Woonsan Ko.
o LOG4J2-305: Ease porting from 1.x Logger.getRootLogger(): add LogManager.getRootLogger().
同时也修复了大量的 bug，详细列表请看http://mail-archives.apache.org/mod_mbox/www-announce/201309.mbox/%3C6BB100C6-7AAC-49B8-BAF9-5A674C3534CF@apache.org%3E
免费下载：http://logging.apache.org/log4j/1.2/download.html
来自:开源中国社区
