Suspend
 Select the Suspend command [  ] to halt the execution of the currently selected thread in a debug target. Once the selected thread  is suspended you can then examine its stack frames.
 ] to halt the execution of the currently selected thread in a debug target. Once the selected thread  is suspended you can then examine its stack frames. 
  Debugger
  Local debugging
  Remote debugging
  Changing debugger launch options
  Connecting to a remote VM with the Remote Java application launch configuration
  Disconnecting from a VM
  Launching a Java program
  Preparing to debug
  Resuming the execution of suspended threads
  Running and debugging
  Stepping through the execution of a program
  Suspending threads
  Debug View
  Debug preferences
  Execution Control Commands
  Resume
  Run Menu