我尝试在linux机器上运行jstatd jvm监控工具
jboss@hostAddr:/usr/java/jdk1.6.0_18/bin> uname -a
Linux hostAddr 2.6.16.60-0.34-smp #1 SMP Fri Jan 16 14:59:01 UTC 2009 x86_64 x86_64 x86_64 GNU/Linux
使用以下命令:
jstatd -J-Djava.security.policy=~/jstatd.all.policy
jstatd.all.policy 内容
grant codebase "file:${java.home}/../lib/tools.jar" {
permission java.security.AllPermission;
};
不幸的是,我得到以下输出:
Could not create remote object
access denied (java.util.PropertyPermission java.rmi.server.ignoreSubClasses write)
java.security.AccessControlException: access denied (java.util.PropertyPermission java.rmi.server.ignoreSubClasses write)
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323)
at java.security.AccessController.checkPermission(AccessController.java:546)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
at java.lang.System.setProperty(System.java:725)
at sun.tools.jstatd.Jstatd.main(Jstatd.java:122)
由于某种原因,jstatd 在具有相同命令和策略文件的 Windows 上成功运行。
Linux java 版本:
java version "1.6.0_18"
Java(TM) SE Runtime Environment (build 1.6.0_18-b07)
Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode)
Windows java 版本:
java version "1.6.0_26"
Java(TM) SE Runtime Environment (build 1.6.0_26-b03)
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode)
最佳答案
刚刚找到以下脚本来运行 jstatd
。我设法用这个脚本运行 jstatd
https://gist.github.com/nicerobot/1375032
#!/bin/sh
policy=${HOME}/.jstatd.all.policy
[ -r ${policy} ] || cat >${policy} <<'POLICY'
grant codebase "file:${java.home}/../lib/tools.jar" {
permission java.security.AllPermission;
};
POLICY
jstatd -J-Djava.security.policy=${policy} &
关于java - 由于权限错误无法启动 jstatd,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/9939883/