SLF4J 1.7.13 发布，此版本主要改进内容如下：
Fixed LoggerFactory initialisation problem in presence of SecurityManager denying "createSecurityManager" runtime permission. See SLF4J-324 for further details.
Fixed issue with BasicMDCAdapter leaking MDC information to non-child threads. This problem was reported by Lukasz Cwik in SLF4J-316 who also provided the relavant pull request.
More robust handling of ill-formatted input strings by SLF4JBridgeHandler. This issue was reported in SLF4J-337 by Rodolfo Udo Labsch.
House cleaning of our project's Maven pom.xml files, an initiative undertaken by Jeremy Landis.
Added getAdditivity() method method in Category class in the log4j-over-slf4j module. This addition was requested by Milo Felipe SLF4J-309 with Dimitrios Liapis providing the relavant pull request.
Added the assertLog(boolean, String) method in the Category class, in module log4j-over-slf4j.
In the log4j-over-slf4j module, removed misplaced Layout.java file. This issue was reported in SLF4J-218 by Joshua M Steward with Alfredo Ramos providing the relavant pull request.
SLF4J是为各种loging APIs提供一个简单统一的接口，从而使得最终用户能够在部署的时候配置自己希望的loging APIs实现。 Logging API实现既可以选择直接实现SLF4J接的loging APIs如： NLOG4J、SimpleLogger。也可以通过SLF4J提供的API实现来开发相应的适配器如Log4jLoggerAdapter、 JDK14LoggerAdapter。
著名的MINA就是采用此日志组件。
在线Javadoc：http://tool.oschina.net/apidocs/apidoc?api=slf4j
下载地址：http://www.slf4j.org/dist/slf4j-1.7.13.tar.gz
来自:开源中国社区
