tomcat9启动中提示 org.apache.catalina.webresources.Cache.getResource Unable to add the resource

tomcat9启动过程中提示：

org.apache.catalina.webresources.Cache.getResource Unable to add the resource at xxx to the cache because there was insufficient free space available after evicting expired cache entries - consider increasing the maximum size of the cache

解决办法：

在/conf/context.xml 的 </Context>前添加以下内容：

<Resources cachingAllowed="true" cacheMaxSize="100000" />

更多信息： http://tomcat.apache.org/tomcat-8.0-doc/config/resources.html