xxl-job 启动报错 xxl-rpc request data empty.

2020-03-20 11:59:19,634 [xxl-rpc, NettyHttpServer-serverHandlerPool-962778749] ERROR c.x.r.r.n.i.n.s.NettyHttpServerHandler 93 - xxl-rpc request data empty.
com.xxl.rpc.util.XxlRpcException: xxl-rpc request data empty.
at com.xxl.rpc.remoting.net.impl.netty_http.server.NettyHttpServerHandler.process(NettyHttpServerHandler.java:76) [xxl-rpc-core-1.4.1.jar!/:na]
at com.xxl.rpc.remoting.net.impl.netty_http.server.NettyHttpServerHandler.access$000(NettyHttpServerHandler.java:25) [xxl-rpc-core-1.4.1.jar!/:na]
at com.xxl.rpc.remoting.net.impl.netty_http.server.NettyHttpServerHandler$1.run(NettyHttpServerHandler.java:49) [xxl-rpc-core-1.4.1.jar!/:na]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_121]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_121]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121]
2020-03-20 12:00:19,653 [xxl-rpc, NettyHttpServer-serverHandlerPool-1633003113] ERROR c.x.r.r.n.i.n.s.NettyHttpServerHandler 93 - xxl-rpc request data empty.
com.xxl.rpc.util.XxlRpcException: xxl-rpc request data empty.