Linux下Tomcat启动报错，请教如何解决

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Linux下Tomcat启动报错，请教如何解决5

我在Linux下启动Tomcat报下面的错误：

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:1273)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        at org.apache.log4j.LogManager.getLoggerRepository(LogManager.java:175)
        at org.apache.log4j.LogManager.getLogger(LogManager.java:199)
        at org.apache.log4j.Logger.getLogger(Logger.java:105)
        at org.apache.commons.logging.impl.Log4JLogger.getLogger(Log4JLogger.java:289)
        at org.apache.commons.logging.impl.Log4JLogger.info(Log4JLogger.java:199)
        at com.motorola.blur.service.util.concurrent.ThreadPool.terminated(ThreadPool.java:160)
        at java.util.concurrent.ThreadPoolExecutor.tryTerminate(ThreadPoolExecutor.java:1042)
        at java.util.concurrent.ThreadPoolExecutor.shutdown(ThreadPoolExecutor.java:1118)
        at com.motorola.blur.service.util.concurrent.ThreadPool.shutdown(ThreadPool.java:172)
        at java.util.concurrent.ThreadPoolExecutor.finalize(ThreadPoolExecutor.java:1257)
        at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
        at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83)
        at java.lang.ref.Finalizer.access$100(Finalizer.java:14)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)
Jun 4, 2012 2:42:44 AM org.apache.catalina.loader.WebappClassLoader loadClass
INFO: Illegal access: this web application instance has been stopped already. Could not load com.mysql.jdbc.SQLError. 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:1273)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3246)
        at com.mysql.jdbc.MysqlIO.quit(MysqlIO.java:1656)
        at com.mysql.jdbc.ConnectionImpl.realClose(ConnectionImpl.java:4261)
        at com.mysql.jdbc.ConnectionImpl.cleanup(ConnectionImpl.java:1248)
        at com.mysql.jdbc.ConnectionImpl.finalize(ConnectionImpl.java:2655)
        at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
        at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83)
        at java.lang.ref.Finalizer.access$100(Finalizer.java:14)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)
Jun 4, 2012 2:42:44 AM org.apache.catalina.loader.WebappClassLoader loadClass
INFO: Illegal access: this web application instance has been stopped already. Could not load com.mysql.jdbc.profiler.ProfilerEventHandlerFactory. 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:1273)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
        at com.mysql.jdbc.ConnectionImpl.realClose(ConnectionImpl.java:4273)
        at com.mysql.jdbc.ConnectionImpl.cleanup(ConnectionImpl.java:1248)
        at com.mysql.jdbc.ConnectionImpl.finalize(ConnectionImpl.java:2655)
        at java.lang.ref.Finalizer.invokeFinalizeMethod(Native Method)
        at java.lang.ref.Finalizer.runFinalizer(Finalizer.java:83)
        at java.lang.ref.Finalizer.access$100(Finalizer.java:14)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:160)
Jun 4, 2012 2:42:45 AM org.apache.catalina.core.StandardContext start
SEVERE: Error listenerStart

请教如何解决呢？