Program: 91825
Project: 91825
Buggy source:
private void initialize(){
  fGoToMessageForKeyBinding=new MoveToMessage();
  IHandlerService service=(IHandlerService)PlatformUI.getWorkbench().getActiveWorkbenchWindow().getService(IHandlerService.class);
  AbstractHandler handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fGoToMessageForKeyBinding.run();
      return null;
    }
  }
;
  IHandlerActivation activation=service.activateHandler(fGoToMessageForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fMoveUpForKeyBinding=new MoveSDUp();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fMoveUpForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fMoveUpForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fMoveDownForKeyBinding=new MoveSDDown();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fMoveDownForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fMoveDownForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fMoveLeftForKeyBinding=new MoveSDLeft();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fMoveLeftForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fMoveLeftForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fMoveRightForKeyBinding=new MoveSDRight();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fMoveRightForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fMoveRightForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fFindForKeyBinding=new OpenSDFindDialog();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fFindForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fFindForKeyBinding.getActionDefinitionId(),handler);
  fFindForKeyBinding.setEnabled(false);
  fHandlerActivations.add(activation);
  fShowNodeStartForKeyBinding=new ShowNodeStart();
  fShowNodeStartForKeyBinding.setText(Messages.SequenceDiagram_ShowNodeStart);
  fShowNodeStartForKeyBinding.setId("String_Node_Str");
  fShowNodeStartForKeyBinding.setActionDefinitionId("String_Node_Str");
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fShowNodeStartForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fShowNodeStartForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fShowNodeEndForKeyBinding=new ShowNodeEnd();
  fShowNodeEndForKeyBinding.setText(Messages.SequenceDiagram_ShowNodeEnd);
  fShowNodeEndForKeyBinding.setId("String_Node_Str");
  fShowNodeEndForKeyBinding.setActionDefinitionId("String_Node_Str");
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fShowNodeEndForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fShowNodeEndForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
}

Fixed version (ground truth):
private void initialize(){
  fGoToMessageForKeyBinding=new MoveToMessage();
  Object serviceObject=PlatformUI.getWorkbench().getActiveWorkbenchWindow().getService(IHandlerService.class);
  IHandlerService service=(IHandlerService)serviceObject;
  AbstractHandler handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fGoToMessageForKeyBinding.run();
      return null;
    }
  }
;
  IHandlerActivation activation=service.activateHandler(fGoToMessageForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fMoveUpForKeyBinding=new MoveSDUp();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fMoveUpForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fMoveUpForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fMoveDownForKeyBinding=new MoveSDDown();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fMoveDownForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fMoveDownForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fMoveLeftForKeyBinding=new MoveSDLeft();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fMoveLeftForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fMoveLeftForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fMoveRightForKeyBinding=new MoveSDRight();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fMoveRightForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fMoveRightForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fFindForKeyBinding=new OpenSDFindDialog();
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fFindForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fFindForKeyBinding.getActionDefinitionId(),handler);
  fFindForKeyBinding.setEnabled(false);
  fHandlerActivations.add(activation);
  fShowNodeStartForKeyBinding=new ShowNodeStart();
  fShowNodeStartForKeyBinding.setText(Messages.SequenceDiagram_ShowNodeStart);
  fShowNodeStartForKeyBinding.setId("String_Node_Str");
  fShowNodeStartForKeyBinding.setActionDefinitionId("String_Node_Str");
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fShowNodeStartForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fShowNodeStartForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
  fShowNodeEndForKeyBinding=new ShowNodeEnd();
  fShowNodeEndForKeyBinding.setText(Messages.SequenceDiagram_ShowNodeEnd);
  fShowNodeEndForKeyBinding.setId("String_Node_Str");
  fShowNodeEndForKeyBinding.setActionDefinitionId("String_Node_Str");
  handler=new AbstractHandler(){
    @Override public Object execute(    ExecutionEvent event) throws ExecutionException {
      fShowNodeEndForKeyBinding.run();
      return null;
    }
  }
;
  activation=service.activateHandler(fShowNodeEndForKeyBinding.getActionDefinitionId(),handler);
  fHandlerActivations.add(activation);
}