Java 信息：非法访问：此web应用程序实例已停止-

当我启动Tomcat 6时，在catalina.out中获取此错误。有什么想法吗

Jul 01, 2014 4:42:34 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory AAA0628
Jul 01, 2014 4:42:34 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory AAA0701
Jul 01, 2014 4:42:35 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory AAA0627
Jul 01, 2014 4:42:35 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory AAA0606
Jul 01, 2014 4:42:35 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory AAA0629
Jul 01, 2014 4:42:35 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory AAA0616
Jul 01, 2014 4:42:35 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
Jul 01, 2014 4:42:35 PM org.apache.catalina.loader.WebappClassLoader loadClass
INFO: Illegal access: this web application instance has been stopped already.  Could not load org.apache.log4j.spi.NOPLoggerRepository.  The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
java.lang.IllegalStateException
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1566)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
    at org.apache.log4j.LogManager.getLoggerRepository(LogManager.java:197)
    at org.apache.log4j.LogManager.getLogger(LogManager.java:228)
    at org.apache.log4j.Logger.getLogger(Logger.java:104)
    at org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:289)
    at org.apache.commons.logging.impl.Log4JLogger.isDebugEnabled(Log4JLogger.java:299)

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确保你的应用程序没有被tomcat缓存。谢谢。如何检查我的应用程序是否由tomcat缓存？提示：这不是错误，而是信息：）@gerrytan:在哪里检查我的应用程序是否启用了缓存？