出错信息:
Caused by: com.esotericsoftware.kryo.SerializationException: Unable to deserialize object of type: java.util.concurrent.ConcurrentHashMap

试了很多网上的教程,如注册个新类到kryo,但是错误依旧。
原因是tomcat目录下lib缺少必要的wicket jar包,如下,上传即可:

附件下载 https://www.cnop.net/uploadfile/2016/1103/20161103090746601.zip