Failed to run the test.

[Ailln]

Hi,

I have the same questions with connecting-to-tensorflow-service-via-nodejs-grpc-issue.

run command:

GRPC_TRACE=api GRPC_VERBOSITY=DEBUG node app.js

show log:

I0915 20:48:01.648944461    6744 channel.c:201]              grpc_channel_create_call(channel=0x3a24590, parent_call=(nil), propagation_mask=ffff, cq=0x3a22b40, metho
d=/tensorflow.serving.MnistService/Classify, host=(null), deadline=gpr_timespec { tv_sec: 9223372036854775807, tv_nsec: 0, clock_type: 1 }, reserved=(nil))
I0915 20:48:01.651636545    6744 metadata_array.c:42]        grpc_metadata_array_init(array=0x7ffccfe0d210)
I0915 20:48:01.651734600    6744 metadata_array.c:42]        grpc_metadata_array_init(array=0x39df118)
I0915 20:48:01.651741984    6744 metadata_array.c:42]        grpc_metadata_array_init(array=0x3a1e5a8)
I0915 20:48:01.651752696    6744 call.c:1478]                grpc_call_start_batch(call=0x3a3e060, ops=0x39bda10, nops=6, tag=0x3978810, reserved=(nil))
I0915 20:48:01.651765447    6744 call.c:1190]                ops[0]: SEND_INITIAL_METADATA
I0915 20:48:01.651770625    6744 call.c:1190]                ops[1]: SEND_MESSAGE ptr=0x3978a00
I0915 20:48:01.651774783    6744 call.c:1190]                ops[2]: SEND_CLOSE_FROM_CLIENT

I0915 20:48:01.651780541    6744 call.c:1190]                ops[3]: RECV_INITIAL_METADATA ptr=0x39df118
I0915 20:48:01.651784330    6744 call.c:1190]                ops[4]: RECV_MESSAGE ptr=0x3978b28
I0915 20:48:01.651790158    6744 call.c:1190]                ops[5]: RECV_STATUS_ON_CLIENT metadata=0x3a1e5a8 status=0x3a1e5c0 details=0x3a1e5c8
I0915 20:48:01.652884343    6754 completion_queue.c:299]     grpc_completion_queue_next(cc=0x3a22b40, deadline=gpr_timespec { tv_sec: 9223372036854775807, tv_nsec: 0,
 clock_type: 1 }, reserved=(nil))
I0915 20:48:01.652986683    6754 completion_queue.c:233]     grpc_cq_end_op(exec_ctx=0x7ff8f77fde60, cc=0x3a22b40, tag=0x3978810, success=1, done=0x7ff9049dc3e0, done
_arg=0x3a3e0b8, storage=0x3a3e0c0)
I0915 20:48:01.652998501    6754 completion_queue.c:350]     RETURN_EVENT[0x3a22b40]: OP_COMPLETE: tag:0x3978810 OK
{ [Error] code: 12, metadata: Metadata { _internal_repr: {} } }
I0915 20:48:01.653248504    6744 metadata_array.c:47]        grpc_metadata_array_destroy(array=0x39df118)
I0915 20:48:01.653257064    6744 metadata_array.c:47]        grpc_metadata_array_destroy(array=0x3a1e5a8)

Thanks.