堆栈内存溢出
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'Java应用程序运行时期间无法分配内存'（errno = 12）'错误

[英]'Cannot allocate memory' (errno=12)' errors during runtime of Java application

 原文  2013-12-19 17:02:43  9   1    java/ memory/ memory-management

问题描述

While running a distributed application, I get a lot of these errors on the server as well as on the worker nodes: 运行分布式应用程序时，我在服务器和工作节点上都会遇到很多错误： 

Java HotSpot(TM) 64-Bit Server VM warning: INFO: os::commit_memory(0x00007f4f8c800000, 549453824, 2097152, 0) failed; error='Cannot allocate memory' (errno=12)

Most of the time the process continues and finishes as expected but sometimes the process also fails. 大多数情况下，流程会按预期继续并完成，但有时流程也会失败。

I am calling my application with java -Xms512M -Xmx50G -cp myjar.jar myclass.Main 我用java -Xms512M -Xmx50G -cp myjar.jar myclass.Main调用我的应用程序java -Xms512M -Xmx50G -cp myjar.jar myclass.Main

The nodes have 128 GBs of RAM where about 120 GBs are free. 节点有128 GB的RAM，大约120 GB是免费的。

I'm using the Oracle JVM: 我正在使用Oracle JVM： 

$ java -version
java version "1.7.0_45"
Java(TM) SE Runtime Environment (build 1.7.0_45-b18)
Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode)

What do these messages mean and how can I get rid of them? 这些消息意味着什么，我怎么能摆脱它们？

1 个解决方案

解决方案1
 5 已采纳  2013-12-20 12:12:06

As Platypus suggested in the comments to my question, I downgraded Java to version 1.7.0_41. 正如Platypus在我的问题评论中所建议的那样，我将Java降级为1.7.0_41版​​本。 Unfortunately the problem persisted. 不幸的是问题仍然存在。

I went even farther back to version 1.7.0_25 and apparently this solved the error. 我甚至更远回到版本1.7.0_25，显然这解决了错误。 I tried it many times and the error message didn't occur a single more time. 我尝试了很多次，错误消息没有再发生一次。

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