刚写过一篇Java笔记-使用JConsole进行JVM性能监测，今天就又遇上99%，乐不开支拍拍手打开JConsole就要收拾它。
在Thread选项卡中看到许多HTTP的请求线程都阻塞在org.hibernate.util.SoftLimitMRUCache.get(SoftLimitMRUCache.java:51) 很快就发现下面这个Thread
Name: TP-Processor24
State: RUNNABLE
Total blocked: 87 Total waited: 21
Stack trace:
org.apache.commons.collections.ReferenceMap.getEntry(Unknown Source)
org.apache.commons.collections.ReferenceMap.get(Unknown Source)
org.hibernate.util.SoftLimitMRUCache.get(SoftLimitMRUCache.java:51)
org.hibernate.engine.query.QueryPlanCache.getNativeSQLQueryPlan(QueryPlanCache.java:107)
org.hibernate.impl.AbstractSessionImpl.getNativeSQLQueryPlan(AbstractSessionImpl
