Re: Please help me kill this java thread..... code example

Knute Johnson <>
Thu, 15 Nov 2012 08:42:38 -0800
On 11/15/2012 7:09 AM, wrote:

  Here is the scanner while loop:

public synchronized void launchScanner(){
         // Get physical scanner device list
         devList = Symbol.getScannerDeviceList();
         if (devList == null){
             System.out.println("No physical scanner device available");

         // Create and enable scanner
                 scanner = new Scanner(devList[0]);
                 scanEnabled = true;
         }catch (Exception e){
             System.out.println("can't initialize scanner object: " + e.getMessage());

         exiting = false;
         while (!exiting){

           , this);
             }catch (Exception e){
                    System.out.println("Got Error: " + e.getMessage());


One of the simplest ways to terminate a thread from another thread is to
interrupt that thread. You can detect the interrupt by catching an
InterruptedException and checking the status of the thread with
Thread.interrupted() or Thread.isInterrupted(). If the thread is
blocked on I/O you can usually close the stream and force a IOException.


Knute Johnson

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