1.把logback 日志级别改成 debug

flowable 报错 Waiting for changelog lock...._flowable

2. 启动查看控制台

flowable 报错 Waiting for changelog lock...._flowable_02

控制台 Waiting for changelog lock....  (from 源码 www.fhadmin.org)

说明是数据库死锁,把LOCKED 值只要是1的,都改成 0

flowable 报错 Waiting for changelog lock...._flowable_03