tomcat服务突然无响应了,导出内存堆栈和线程堆栈,分析后发现是同步锁使用不合理导致的. [root@prd-dtb-web-01 ~]# [root@prd-dtb-web-01 ~]# jmap -heap 10472Attaching to process ID 10472, please wait...Debugger attached successfully.Server compiler detected.JVM version is 25.111-b14 using threa