visualgdb flash error

Open On-Chip Debugger 0.9.0 (2016-11-21)
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.org/doc/doxygen/bugs.html
Info : auto-selecting first available session transport "jtag". To override use 'transport select <transport>'.
adapter speed: 3000 kHz
Info : clock speed 3000 kHz
Info : JTAG tap: esp32.cpu0 tap/device found: 0x120034e5 (mfg: 0x272 (Tensilica), part: 0x2003, ver: 0x1)
Info : JTAG tap: esp32.cpu1 tap/device found: 0x120034e5 (mfg: 0x272 (Tensilica), part: 0x2003, ver: 0x1)
Info : esp32.cpu0: Target halted, pc=0x400093D0
Error: The 'mww' command must be used after 'init'.
in procedure 'init'
in procedure 'ocd_bouncer'
in procedure 'flash'
in procedure 'ocd_bouncer'

Info : accepting 'gdb' connection on tcp/3333
Interrupt suppression during single-stepping is now enabled
Info : esp32.cpu0: Debug controller was reset (pwrstat=0x5F, after clear 0x0F).
Info : esp32.cpu0: Core was reset (pwrstat=0x5F, after clear 0x0F).
Info : esp32.cpu0: Target halted, pc=0x40009081
esp32.cpu0: target state: halted
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Target did not halt within 5000 msec
Info : esp32.cpu0: Target halted, pc=0x40062294
Info : esp32.cpu0: Debug controller was reset (pwrstat=0x5F, after clear 0x0F).
Info : esp32.cpu0: Core was reset (pwrstat=0x5F, after clear 0x0F).
Info : esp32.cpu0: Target halted, pc=0x40009070
esp32.cpu0: target state: halted
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Target did not halt within 5000 msec
Info : esp32.cpu0: Target halted, pc=0x40062294
Info : esp32.cpu0: Debug controller was reset (pwrstat=0x5F, after clear 0x0F).
Info : esp32.cpu0: Core was reset (pwrstat=0x5F, after clear 0x0F).
Info : esp32.cpu0: Target halted, pc=0x4000903D
esp32.cpu0: target state: halted
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Info : esp32.cpu0: Target halted, pc=0x4009010B
Algorithm completed
a0 = 0x0
pc = 0x4009010b
Target did not halt within 5000 msec
Info : esp32.cpu0: Target halted, pc=0x40062294
Info : dropped 'gdb' connection