Внезапно некоторые Linux серверы показывают следующую ошибку: И tomcat останавливается. Трудно найти причину, потому что проблема произошла на сервере, который работал хорошо.
정보: Illegal access: this web application instance has been stopped already. Could not load net.sf.ehcache.util.concurrent.ConcurrentHashMap$ValueIterator. The eventual following stack trace is caused by an error thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access, and has no functional impact.
java.lang.IllegalStateException
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1743)
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1701)
at net.sf.ehcache.util.concurrent.ConcurrentHashMap$ValuesView.iterator(ConcurrentHashMap.java:3250)
at net.sf.ehcache.statistics.extended.ExtendedStatisticsImpl$1.run(ExtendedStatisticsImpl.java:105)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)