Linux下启动tomcat报错，NoClassDefFoundError，但是jar包在WEB-INF/lib下已存在

[waq502775999]

错误信息：
五月 08, 2017 3:52:46 下午 org.apache.catalina.loader.WebappClassLoader loadClass
信息: Illegal access: this web application instance has been stopped already. Could not load com.couchbase.client.core.config.refresher.CarrierRefresher$6. 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:1600)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
at com.couchbase.client.core.config.refresher.CarrierRefresher.refresh(CarrierRefresher.java:171)
at com.couchbase.client.core.config.DefaultConfigurationProvider.signalOutdated(DefaultConfigurationProvider.java:356)
at com.couchbase.client.core.config.refresher.CarrierRefresher$1.call(CarrierRefresher.java:83)
at com.couchbase.client.core.config.refresher.CarrierRefresher$1.call(CarrierRefresher.java:80)
at rx.Observable$27.onNext(Observable.java:8002)
at rx.observers.SafeSubscriber.onNext(SafeSubscriber.java:139)
at rx.internal.operators.OnSubscribeTimerPeriodically$1.call(OnSubscribeTimerPeriodically.java:52)
at rx.Scheduler$Worker$1.call(Scheduler.java:120)
at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)

Exception in thread "cb-computations-4" java.lang.IllegalStateException: Fatal Exception thrown on Scheduler.Worker thread.
at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:62)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.NoClassDefFoundError: com/couchbase/client/core/config/refresher/CarrierRefresher$6
at com.couchbase.client.core.config.refresher.CarrierRefresher.refresh(CarrierRefresher.java:171)
at com.couchbase.client.core.config.DefaultConfigurationProvider.signalOutdated(DefaultConfigurationProvider.java:356)
at com.couchbase.client.core.config.refresher.CarrierRefresher$1.call(CarrierRefresher.java:83)
at com.couchbase.client.core.config.refresher.CarrierRefresher$1.call(CarrierRefresher.java:80)
at rx.Observable$27.onNext(Observable.java:8002)
at rx.observers.SafeSubscriber.onNext(SafeSubscriber.java:139)
at rx.internal.operators.OnSubscribeTimerPeriodically$1.call(OnSubscribeTimerPeriodically.java:52)
at rx.Scheduler$Worker$1.call(Scheduler.java:120)
at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)
... 7 more
Caused by: java.lang.ClassNotFoundException: com.couchbase.client.core.config.refresher.CarrierRefresher$6
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
... 16 more
看异常是缺少CarrierRefresher这个类，但是在WEB-INF/lib下有包含这个类的jar包

[Liv2005]

首选在排除了拼写错误和路径错误之后…… 你要确定下你的程序调用的真的是这个lib目录下的这个jar么？ 搜一下是不是有其他版本的core-io*.jar在你的tomcat目录中， 比如war包之类的……

[Java全栈路线]

楼主这个是不是本地跑没问题, linux启动就到不到包了, 我这边遇到的情况就是启动阶段找jar包的时候少了个根目录, 直接找 usr/local/tomcat/webapps/WEB-INF/lib这路径去了, 前面没有 / 号一直报错