springboot整合dubbo启动报错?报错

13-Dec-2017 13:46:28.796 信息 [RMI TCP Connection(127.0.0.1:2181)] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load [org.apache.zookeeper.server.ZooTrace]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
 java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [org.apache.zookeeper.server.ZooTrace]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
    at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1305)
    at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1293)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1158)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)
    at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1267)

13-Dec-2017 13:46:28.797 信息 [RMI TCP Connection(127.0.0.1:2181)] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load [ch.qos.logback.classic.spi.ThrowableProxy]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
 java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load [ch.qos.logback.classic.spi.ThrowableProxy]. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.
    at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1305)
    at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForClassLoading(WebappClassLoaderBase.java:1293)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1158)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1119)
    at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:119)
    at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:419)
    at ch.qos.logback.classic.Logger.filterAndLog_2(Logger.java:414)
    at ch.qos.logback.classic.Logger.warn(Logger.java:700)
    at org.apache.zookeeper.server.ZooKeeperThread.handleException(ZooKeeperThread.java:55)
    at org.apache.zookeeper.server.ZooKeeperThread$1.uncaughtException(ZooKeeperThread.java:36)
    at java.lang.Thread.dispatchUncaughtException(Thread.java:1952)