Mac上Android studio3.3.2错误“ADB服务器没有ACK，无法启动守护进程”

Question

No target device found.

dev env:

android studio 3.3.2

macOS sierra 10.12.6

helingyundeMacBook-Pro:platform-tools helingyun$ adb start-server

adb server version (39) doesn't match this client (40); killing...

ADB server didn't ACK

Full server startup log: /var/folders/38/t61kv89122b0vk5ntzhhc_q80000gn/T//adb.501.log

Server had pid: 50120

--- adb starting (pid 50120) ---

adb I 04-08 14:11:37 50120 2064273 main.cpp:56] Android Debug Bridge version 1.0.40

adb I 04-08 14:11:37 50120 2064273 main.cpp:56] Version 28.0.2-5303910

adb I 04-08 14:11:37 50120 2064273 main.cpp:56] Version 28.0.2-5303910 adb I 04-08 14:11:37 50120 2064273 main.cpp:56] Installed as /Users/helingyun/Library/Android/sdk/platform-tools/adb

adb I 04-08 14:11:37 50120 2064273 main.cpp:56]

adb I 04-08 14:11:37 50120 2064276 usb_osx.cpp:308] reported max packet size for HEE6R16128001556 is 512

adb F 04-08 14:11:37 50120 2064273 main.cpp:140] could not install smartsocket listener: Address already in use

• failed to start daemon

error: cannot connect to daemon

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thanks.

Answer 1

I resolved. I had Experitest software before installed android studio. the Experitest started a adb process at backend. the adb process cannot be killed.I unstall Experitest, The problem was solved.