Error when do watch request

[ZhangShangyu]

1. start etcd-adapter at 2379 with a mysql backend
2. send etcd http watch request

 curl http://localhost:2379/v3/watch \
        -X POST -d '{"create_request": {"key":"Zm9v"} }'

get this error response:

{"result":{"header":{},"watch_id":"4","created":true}}
{"result":{"header":{},"watch_id":"4","canceled":true,"cancel_reason":"watch closed"}}
{"error":{"grpc_code":2,"http_code":500,"message":"EOF","http_status":"Internal Server Error"}}

error log in etcd-adapter process:

ERRO[0009] failed to list foo for revision 0            

[tokers]

cc @bzp2010

[840963657]

1. start etcd-adapter at 2379 with a mysql backend
2. send etcd http watch request

 curl http://localhost:2379/v3/watch \
        -X POST -d '{"create_request": {"key":"Zm9v"} }'

get this error response:

{"result":{"header":{},"watch_id":"4","created":true}}
{"result":{"header":{},"watch_id":"4","canceled":true,"cancel_reason":"watch closed"}}
{"error":{"grpc_code":2,"http_code":500,"message":"EOF","http_status":"Internal Server Error"}}

error log in etcd-adapter process:

ERRO[0009] failed to list foo for revision 0            

hello 能加个联系方式吗？我的etcd-adapter一直编译不过，想请教几个问题