Web管理Cloudstack错误

Question

我正在使用Cloudstack并遇到错误：

操作系统：CentOS 6.6 64bit

## Log: /var/log/cloudstack/management/catalina.out ##
May 26, 2018 12:24:46 AM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
SEVERE: A web application created a ThreadLocal with key of type [org.apache.log4j.helpers.ThreadLocalMap] (value [org.apache.log4j.helpers.ThreadLocalMap@a393df3]) and a value of type [null] (value [null]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed.
May 26, 2018 12:24:46 AM org.apache.catalina.loader.WebappClassLoader clearThreadLocalMap
SEVERE: A web application created a ThreadLocal with key of type [org.apache.log4j.helpers.ThreadLocalMap] (value [org.apache.log4j.helpers.ThreadLocalMap@a393df3]) and a value of type [null] (value [null]) but failed to remove it when the web application was stopped. To prevent a memory leak, the ThreadLocal has been forcibly removed.
May 26, 2018 12:24:47 AM org.apache.coyote.http11.Http11NioProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
May 26, 2018 12:24:47 AM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:20400
May 26, 2018 12:24:47 AM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/15 config=null
May 26, 2018 12:24:47 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 25586 ms
May 26, 2018 12:24:54 AM org.apache.catalina.loader.WebappClassLoader loadClass
INFO: Illegal access: this web application instance has been stopped already. Could not load org.apache.cloudstack.managed.context.ManagedContextTimerTask$1. 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:1369)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
at org.apache.cloudstack.managed.context.ManagedContextTimerTask.run(ManagedContextTimerTask.java:27)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)

Exception in thread "Timer-2" java.lang.NoClassDefFoundError: org/apache/cloudstack/managed/context/ManagedContextTimerTask$1
at org.apache.cloudstack.managed.context.ManagedContextTimerTask.run(ManagedContextTimerTask.java:27)
at java.util.TimerThread.mainLoop(Timer.java:555)
at java.util.TimerThread.run(Timer.java:505)
Caused by: java.lang.ClassNotFoundException: org.apache.cloudstack.managed.context.ManagedContextTimerTask$1
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1483)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1329)
... 3 more

请帮助我，谢谢！