<context-param>
      <param-name>GEOWEBCACHE_CACHE_DIR</param-name>
      <param-value>I:\9000_GIS\gisdata-cache</param-value>
    </context-param> 
    <context-param>
      <param-name>GEOSERVER_DATA_DIR</param-name>
      <param-value>E:\apache-tomcat-8.5.57\webapps\geoserver\data</param-value>
    </context-param>