k8s中使用arthas：Enhance error! exception: java.lang.UnsupportedOperationException: class redefinition failed

错误信息：

[arthas@6]$ trace com.qzcsbj.gift.controller.OrderController findByOrderNumber '#cost>1000'
Affect(class count: 1 , method count: 1) cost in 230 ms, listenerId: 1
Enhance error! exception: java.lang.UnsupportedOperationException: class redefinition failed: attempted to change the schema (add/remove fields)
error happens when enhancing class: class redefinition failed: attempted to change the schema (add/remove fields), check arthas log: /root/logs/arthas/arthas.log

 

 

方案：

1、jdk版本过低，升级打包环境jdk的版本，比如：jdk-8u331

2、探针冲突，多个探针不要同时使用

3、添加jvm参数：-Dskywalking.agent.is_cache_enhanced_class=true -Dskywalking.agent.class_cache_mode=MEMORY