1.1.1版本启动时报错?报错

我用的是1.1.1版本elastic-job-core和elastic-job-spring，放在tomcat项目中，启动的时候报错：

信息: Illegal access: this web application instance has been stopped already.  Could not load org.apache.zookeeper.server.ZooTrace.  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:1750)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1709)
        at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1128)

七月 11, 2017 8:46:24 下午 org.apache.catalina.loader.WebappClassLoader loadClass
信息: Illegal access: this web application instance has been stopped already.  Could not load org.apache.zookeeper.ClientCnxn$SendThread.  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:1750)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1709)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.loadClass(PackagingDataCalculator.java:207)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.bestEffortLoadClass(PackagingDataCalculator.java:232)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.computeBySTEP(PackagingDataCalculator.java:138)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.populateUncommonFrames(PackagingDataCalculator.java:113)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.populateFrames(PackagingDataCalculator.java:105)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.calculate(PackagingDataCalculator.java:57)
        at ch.qos.logback.classic.spi.ThrowableProxy.calculatePackagingData(ThrowableProxy.java:147)
        at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:124)
        at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:440)
        at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
        at ch.qos.logback.classic.Logger.error(Logger.java:559)
        at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
        at ch.qos.logback.classic.Logger.error(Logger.java:559)
        at org.apache.zookeeper.ClientCnxn$1.uncaughtException(ClientCnxn.java:414)
        at java.lang.Thread.dispatchUncaughtException(Thread.java:1986)

七月 11, 2017 8:46:24 下午 org.apache.catalina.loader.WebappClassLoader loadClass
信息: Illegal access: this web application instance has been stopped already.  Could not load org.apache.catalina.loader.WebappClassLoader.  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:1750)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1709)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.loadClass(PackagingDataCalculator.java:207)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.bestEffortLoadClass(PackagingDataCalculator.java:232)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.computeBySTEP(PackagingDataCalculator.java:138)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.populateUncommonFrames(PackagingDataCalculator.java:113)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.populateFrames(PackagingDataCalculator.java:105)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.calculate(PackagingDataCalculator.java:57)
        at ch.qos.logback.classic.spi.ThrowableProxy.calculatePackagingData(ThrowableProxy.java:147)
        at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:124)
        at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:440)
        at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
        at ch.qos.logback.classic.Logger.error(Logger.java:559)
        at org.apache.zookeeper.ClientCnxn$1.uncaughtException(ClientCnxn.java:414)
        at java.lang.Thread.dispatchUncaughtException(Thread.java:1986)

七月 11, 2017 8:46:24 下午 org.apache.catalina.loader.WebappClassLoader loadClass
信息: Illegal access: this web application instance has been stopped already.  Could not load org.apache.catalina.loader.WebappClassLoader.  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:1750)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1709)
        at java.lang.Class.forName0(Native Method)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1709)
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:191)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.bestEffortLoadClass(PackagingDataCalculator.java:239)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.computeBySTEP(PackagingDataCalculator.java:138)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.populateUncommonFrames(PackagingDataCalculator.java:113)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.populateFrames(PackagingDataCalculator.java:105)
        at ch.qos.logback.classic.spi.PackagingDataCalculator.calculate(PackagingDataCalculator.java:57)
        at ch.qos.logback.classic.spi.ThrowableProxy.calculatePackagingData(ThrowableProxy.java:147)
        at ch.qos.logback.classic.spi.LoggingEvent.<init>(LoggingEvent.java:124)
        at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:440)
        at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
        at ch.qos.logback.classic.Logger.error(Logger.java:559)
        at org.apache.zookeeper.ClientCnxn$1.uncaughtException(ClientCnxn.java:414)
        at java.lang.Thread.dispatchUncaughtException(Thread.java:1986)

七月 11, 2017 8:46:24 下午 org.apache.catalina.loader.WebappClassLoader loadClass
信息: Illegal access: this web application instance has been stopped already.  Could not load ch.qos.logback.core.status.WarnStatus.  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:1750)
        at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1709)
        at ch.qos.logback.classic.LoggerContext.noAppenderDefinedWarning(LoggerContext.java:175)
        at ch.qos.logback.classic.Logger.callAppenders(Logger.java:267)
        at ch.qos.logback.classic.Logger.buildLoggingEventAndAppend(Logger.java:442)
        at ch.qos.logback.classic.Logger.filterAndLog_0_Or3Plus(Logger.java:396)
        at ch.qos.logback.classic.Logger.error(Logger.java:559)
        at org.apache.zookeeper.ClientCnxn$1.uncaughtException(ClientCnxn.java:414)
        at java.lang.Thread.dispatchUncaughtException(Thread.java:1986)

Exception: java.lang.NoClassDefFoundError thrown from the UncaughtExceptionHandler in thread "localhost-startStop-1-SendThread(172.28.14.7:2181)"

我搜了一下网上有人说是 CuratorFramework 框架导致的问题，请问这个问题怎么解决？