Socket Problem

Hi All

I am trying to run OpenOCD and have a socket problem. I downloaded a simple client/server to confirm port 3333 is open, but OpenOCD still failed. Any advise appreciated.

OpenOCD used is commit:07df04b3b1eca3b920a9b4b411883d9d44fd06e5

MSYS ~/openocd-code
$ src/openocd.exe -f tcl/board/sifive-hifive1-revb.cfg
Open On-Chip Debugger 0.10.0+dev-01337-g07df04b3-dirty (2020-07-28-19:37)
Licensed under GNU GPL v2
For bug reports, read
Info : J-Link OB-K22-SiFive compiled Jun 17 2020 14:52:05
Info : Hardware version: 1.00
Info : VTarget = 3.300 V
Info : clock speed 4000 kHz
Info : JTAG tap: riscv.cpu tap/device found: 0x20000913 (mfg: 0x489 (SiFive, Inc.), part: 0x0000, ver: 0x2)
Info : datacount=1 progbufsize=16
Info : Disabling abstract command reads from CSRs.
Info : Examined RISC-V core; found 1 harts
Info :  hart 0: XLEN=32, misa=0x40101105
Info : starting gdb server for riscv.cpu.0 on 3333
Error: error creating socket: No error
Info : Found flash device 'issi is25lp032' (ID 0x0016609d) 
Ready for Remote Connections
Error: error creating socket: No error

Many thanks