当我的数据库请求花费太长时间tomcat崩溃/关闭时，我在我的日志中找到了这个。我现在完全无能为力:)）
有什么想法吗？
SEVERE: The web application [/ir] is still processing a request that
has yet to finish. This is very likely to create a memory leak. You
can control the time allowed for requests to finish by using the
unloadDelay attribute of the standard Context implementation.
Mar 14, 2015 2:14:38 AM org.apache.catalina.loader.WebappClassLoader
clearReferencesThreads
SEVERE: The web application [/ir] appears to have started a thread
named [MySQL Statement Cancellation Timer] but has failed to stop it.
This is very likely to create a memory leak.
我该怎么办？