How to verify Windows Service is started or not through Java?

[Kaarthick Ramamoorthy]

Hi all,

Could any one help me to verify whether Windows service is already started or not using Java?

Any API available?

Thanks in advance.

[Rob Spoor]

You can do this in two ways:
1) use JNI. You will need several native Windows calls for this: OpenSCManager, OpenService and QueryServiceStatus for retrieving, and CloseServiceHandle for cleaning up.

2) use the SC command. For instance, to query whether or not my IIS web server is running:

U:\>sc query w3svc
 
SERVICE_NAME: w3svc
        TYPE               : 20  WIN32_SHARE_PROCESS
        STATE              : 4  RUNNING
                                (STOPPABLE,PAUSABLE,ACCEPTS_SHUTDOWN)
        WIN32_EXIT_CODE    : 0  (0x0)
        SERVICE_EXIT_CODE  : 0  (0x0)
        CHECKPOINT         : 0x0
        WAIT_HINT          : 0x0

You'll need to run this using ProcessBuilder (or Runtime.exec), and then parse the output.

[Kaarthick Ramamoorthy]

I tried this. It works. Thank you Prime.