Java在Linux上使用100％的cpu
[英]Java is using 100% of cpu on linux
问题描述
On my linux server, any java program (even the "Hello world") uses 100% of cpu and is very very slow. 
在我的linux服务器上，任何java程序（甚至是“Hello world”）都使用100％的cpu而且非常慢。 Id does not depend on the java version, I have tried different versions of openjdk and sun jdk, both behave the same. Id不依赖于java版本，我尝试过不同版本的openjdk和sun jdk，两者的行为都相同。 How could I fix that? 我怎么能解决这个问题？
1 个解决方案
解决方案1
11 已采纳 2012-08-15 09:53:36
I have found the solution in this article http://blog.wpkg.org/2012/07/01/java-leap-second-bug-30-june-1-july-2012-fix/ 我在本文中找到了解决方案http://blog.wpkg.org/2012/07/01/java-leap-second-bug-30-june-1-july-2012-fix/
There is a great chance, this is caused by the "leap second kernel bug". 这是一个很好的机会，这是由“闰秒内核bug”引起的。 Firstly, check for the following in the dmesg 首先，在dmesg检查以下内容
[10703552.860274] Clock: inserting leap second 23:59:60 UTC
To fix it, firstly stop the ntp client. 要修复它，首先停止ntp客户端。 On debian-like systems 在类似debian的系统上
/etc/init.d/ntp stop
Store the current time 存储当前时间
date -s now
And test the java. 并测试java。 If everything is working correctly, try to restart ntp service 如果一切正常，请尝试重新启动ntp服务
/etc/init.d/ntp start
And test it again. 并再次测试它。
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