java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to com.heckjj.apps.modules.smartpush.dto.RecommendDTO 4、打断点调试查看发现里面封装的是两个Map 而不是实体类而是个LinkedHashMap 5、解决方法 ObjectMapper mapper = new O
* java.lang.ClassCastException: com.chapter12_collection.Employee cannot be cast to java.lang.Comparable * * at java.util.TreeMap.compare(TreeMap.java:1294) * at java.util.TreeMap.put(TreeMap.java:538) * at java.util.TreeSet.add(TreeSet.java:255) * at com.chapter12_collection.Collecti...
ERROR11:30:24 o.a.c.c.C.[.[.[.[dispatcherServlet].log 175 :Servlet.service()forservlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.ClassCastException: com.xxx.dto.common.ResponseResult cannot be cast to java.lang.S...
Redis获取缓存异常:java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to XXX 2019-10-12 16:28 −Redis获取缓存异常:java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to XXX。 出现这种异常,我需要自定义ObjectMapper,设置一些参数,而不是直接使用Jackson2JsonRedisSer...