tomcat报warinig Unable to add the resource at [] to the cache

tomcat

赞赏 2016-07-22

原文网址：https://www.youyong.top/article/1158d1fece13

线下用的tomcat7.07，线上用了 tomcat8.5.4，就出了这个
（1）[ContainerBackgroundProcessor[StandardEngine[Catalina]]]org.apache.catalina.webresourcesXache.getResource Unable to add the resource at [/WEBINF/lib/libsigar-x86-linux.so] to the cache because there was insufficient free space available after evicting expired cache entries - consider increasing the maximum size of the cache
（2） [ContainerBackgroundProcessor[StandardEr»gine[Catalina]]] org.apache.catalina.webresourcesXache.backgroundProcess The background cache eviction
process was unable to free [10] percent of the cache for Context [] - consider increasing the
maximum size of the cache. After eviction approximately 110,228] KB of data remained in the
cache。

原文网址：https://www.youyong.top/article/1158d1fece13

waring信息大致的意思就是不能给资源加cache了，因为没有足够的可用空间了。

原来 tomcat8中增加了静态资源缓存的配置

以下是两个相关参数说明：

cacheMaxSize：静态资源缓存最大值，以KB为单位，默认值为10240KB

The maximum size of the static resource cache in kilobytes. If not specified, the default value is 10240 (10 megabytes). This value may be changed while the web application is running (e.g. via JMX). If the cache is using more memory than the new limit the cache will attempt to reduce in size over time to meet the new limit. If necessary, cacheObjectMaxSize will be reduced to ensure that it is no larger thancacheMaxSize/20.

cachingAllowed：是否允许静态资源缓存，默认为true

If the value of this flag is true, the cache for static resources will be used. If not specified, the default value of the flag is true. This value may be changed while the web application is running (e.g. via JMX). When the cache is disabled any resources currently in the cache are cleared from the cache.

对应两个参数，解决方法有两种，

1：考虑增加cache的最大大小

2：关闭缓存v

办法1：

增大缓存在 conf/context.xml中加入：

<Resources
     cachingAllowed="true"
     cacheMaxSize="102400"
 />

方法2：

关闭cache 在 conf/context.xml中加入：

<Resources
     cachingAllowed="false"
     cacheMaxSize="0"
 />

原文网址：https://www.youyong.top/article/1158d1fece13

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tomcat报warinig Unable to add the resource at [] to the cache

办法1：

方法2：

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