本人没用过JFinal，只是刚刚好换了公司，新公司的一个旧商城项目要扩展成小程序的商城，把git的项目拉下来运行就出现巨多问题，我对应的文档看它本来的配置是没有问题的

项目启动报出异常

信息: Illegal access: this web application instance has been stopped already.  Could not load net.sf.ehcache.store.disk.DiskStore$KeySet.  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:1566)

at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)

at net.sf.ehcache.store.disk.DiskStore.keySet(DiskStore.java:521)

at net.sf.ehcache.store.disk.DiskStorageFactory$DiskExpiryTask.run(DiskStorageFactory.java:828)

at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)

at java.util.concurrent.FutureTask.runAndReset(Unknown Source)

at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source)

at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

at java.lang.Thread.run(Unknown Source)