啥问题

访问：http://localhost:12011/txlcn?value=serciceA&ex=uuuuuuu
consul启动成功，serviceA,B,C都注册成功。
Rdis 启动成功。
环境搭建应该是没有问题。

最初启动，报tx-lcn attempts to join the non-existent transaction group.
2019-05-24 13:12:06.042 ERROR 12332 --- [io-12011-exec-4] c.c.txlcn.tc.core.DTXServiceExecutor : business code error @group(24115f63e537)
2019-05-24 13:12:06.120 ERROR 12332 --- [io-12011-exec-4] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.NullPointerException] with root cause

java.lang.NullPointerException: null
..........