Timed out waiting for signal from JVM.

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最新推荐文章于 2025-06-30 22:04:16 发布

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分类专栏： JAVA 文章标签： signal wrapper jvm parameters application server

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本文详细解析了在使用Hippo CMS过程中遇到的JVM挂起错误，包括其常见原因（如CPU占用率过高），并提供了解决方案（如增加ping超时时间）。此外，文章还探讨了可能导致高CPU使用率的其他因素，如Fisheye在索引过程中的使用或由其他应用（如svn）引起的问题。

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Symptoms

Seeing the following errors in the wrapper.log file.

JVM appears hung: Timed out waiting for signal from JVM.
ERROR | wrapper | 2009/02/23 03:39:39 | JVM did not exit on request, terminated
DEBUG | wrapper | 2009/02/23 03:39:40 | Waiting 5 seconds before launching another JVM.
STATUS | wrapper | 2009/02/23 03:39:44 | Launching a JVM...

Cause

This message usually occurs because your cpu is hitting 100% for around 30+ seconds.

See the article http://lists.hippo.nl/pipermail/hippocms-dev/2006-April/001488.html.

(Fisheye may use high CPU during the indexing process, or the high cpu may be caused by another application like svn).

Resolution

Try adding the parameter

wrapper.ping.timeout=120

to your wrapper.conf file, to increase the timeout period and thus prevent the JVM from being terminated. You will need to restart your server after setting this value.

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