One: Error message
The connection to ADB are down, and a severe error has occured.
You must restart ADB and Eclipse.
Please ensure this adb is correctly located at ' D:\xxx\xxx\adb.exe ' and can be executed.
Two: 5037port is occupied
A: Start menu → perform →cmd→ carriage return execution
B:netstat-aon|findstr "5037" → enter execution → get 5037port execution program PID
C:TASKLIST|FINDSTR "pid to query" → enter execution → Get the name of the 5037port execution program
D: Open Task Manager → Close the query to the program, release 5037port
Third: ADB server terminated unexpectedly
A: Restart ADB server
Four: ADB server cannot be used because of updating ADT
A: Restart adb server→ after restart is not valid, continue with the following steps
A: Start a virtual machine and keep it up
B: Restart Eclipse
Five: The system cannot find the ADB folder
A:android-sdk/tools
B:android-sdk/platform-tools
C: Add the above 2 paths to the system environment variable path.
Must restart ADB and Eclipse multiple scenarios analysis and solutions