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错误信息：SEVERE: The web application [/escm] appears to have started a thread named [FileWatchdog] but has failed to stop it. This is very likely to create a memory leak.
1、修改系统文件/etc/sysctl.conf；添加如下信息：
fs.file-max=6553600
fs.aio-max-nr=1048576
2、增加linux重启后生效文件/etc/profile中，添加如下内容：
ulimit -n 65536
3、重启linux系统
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原文地址：http://my.oschina.net/stonezing/blog/497920
