because there was insufficient free space available after evicting expired cache entries - consider increasing the maximum size of the cache

编辑 /opt/tomcat/conf/context.xml 添加 <Resources cachingAllowed="true" cacheMaxSize="100000" /><Context><!-- Default set of monitored resources. If one of these changes, the    --><!-- web application will be reloaded.                                   --><WatchedResource>WEB-INF/web.xml</WatchedResource><WatchedResource>WEB-INF/tomcat-web.xml</WatchedResource><WatchedResource>${catalina.base}/conf/web.xml</WatchedResource><Resources cachingAllowed="true" cacheMaxSize="100000" /><!-- Uncomment this to enable session persistence across Tomcat restarts --><!--<Manager pathname="SESSIONS.ser" />-->
</Context>