“No Such Process” Error when Starting or Stopping exacqVision Web Service

When starting or stopping the exacqVision Web Service, an error message could appear stating that there is “no such process.” This can occur if a stale exacqVision Web Service process is running in the background. If this occurs, complete the following steps:

1. Stop exacqVision Web Service by typing the following in Terminal:
   
   sudo /usr/local/exacq/webservice/service.sh stop
   
2. Locate the stale process of exacqVision Web Service by typing:
   
   pstree -p | grep evws
   
   The result should look similar to this:
   
   
   
   In that example, 1913 and 1937 are the process IDs that need to be terminated.
   
3. Terminate the stale process by typing:
   
   sudo kill **** ****
   
   where the process IDs replace the asterisks. In the previous example, the command would look like this:
   
   
   
4. Start the exacqVision Web Service by typing:
   
   sudo /usr/local/exacq/webservice/service.sh start