八月 28, 2013 1:51:01 下午 org.apache.catalina.startup.HostConfig checkResources
INFO: Reloading context [/ss]
八月 28, 2013 1:51:01 下午 org.apache.catalina.core.StandardContext reload
INFO: Reloading Context with name [/ss] has started
八月 28, 2013 1:51:01 下午 org.apache.catalina.core.ApplicationContext log
INFO: Closing Spring root WebApplicationContext
八月 28, 2013 1:51:01 下午 org.apache.catalina.loader.WebappClassLoader clearReferencesJdbc
SEVERE: The web application [/ss] registered the JDBC driver [com.mysql.jdbc.Driver] but failed to unregister it when the web application was stopped. To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
八月 28, 2013 1:51:04 下午 org.apache.catalina.core.ApplicationContext log
INFO: Initializing Spring root WebApplicationContext
log4j:WARN No appenders could be found for logger (org.springframework.web.context.ContextLoader).
log4j:WARN Please initialize the log4j system properly.
八月 28, 2013 1:51:06 下午 com.sun.faces.config.ConfigureListener contextInitialized
INFO: 初始化上下文 '/ss' 的 Mojarra 2.0.3 (FCS b03)
八月 28, 2013 1:51:06 下午 com.sun.faces.spi.InjectionProviderFactory createInstance
INFO: JSF1048:有 PostConstruct/PreDestroy 注释。标有这些注释的 ManagedBeans 方法将表示注释已处理。
八月 28, 2013 1:51:08 下午 org.apache.catalina.core.StandardContext reload
INFO: Reloading Context with name [/ss] is completed
原因:在服务器保持运行的状态中,redeploy这个项目, 就出现了异常,
解决办法: 关闭服务器 ,再redeploy ,再 开启服务器 就不会这样了