Program: 97512
Project: 97512
Buggy source:
private void handleTransitionButtonSelection(final SMAEditor editor,final boolean isEditable){
  editor.doSave(null);
  final List<AbstractWorkflowArtifact> awas=Arrays.asList(awa);
  final IAtsStateDefinition toStateDef=(IAtsStateDefinition)transitionToStateCombo.getSelected();
  final IAtsStateDefinition fromStateDef=awa.getStateDefinition();
  ITransitionHelper helper=new TransitionHelperAdapter(){
    @Override public boolean isPrivilegedEditEnabled(){
      return editor.isPrivilegedEditModeEnabled();
    }
    @Override public String getToStateName(){
      return toStateDef.getName();
    }
    @Override public Collection<? extends IAtsUser> getToAssignees() throws OseeCoreException {
      return awa.getTransitionAssignees();
    }
    @Override public String getName(){
      return "String_Node_Str";
    }
    @Override public Result handleExtraHoursSpent(){
      final Result result=new Result(true,"String_Node_Str");
      Displays.ensureInDisplayThread(new Runnable(){
        @Override public void run(){
          boolean resultBool=false;
          try {
            resultBool=handlePopulateStateMetrics(fromStateDef,toStateDef);
          }
 catch (          OseeCoreException ex) {
            OseeLog.log(Activator.class,OseeLevel.SEVERE_POPUP,ex);
            result.set(false);
            result.setText(String.format("String_Node_Str",awas.iterator().next().toStringWithId()));
          }
          if (!resultBool) {
            result.setCancelled(true);
            result.set(false);
          }
        }
      }
,true);
      return result;
    }
    @Override public Result getCompleteOrCancellationReason(){
      final Result result=new Result(true,"String_Node_Str");
      Displays.ensureInDisplayThread(new Runnable(){
        @Override public void run(){
          IAtsStateDefinition toStateDef=getAwas().iterator().next().getStateDefinitionByName(getToStateName());
          if (toStateDef.getStateType().isCancelledState()) {
            EntryDialog cancelDialog=new EntryDialog("String_Node_Str","String_Node_Str");
            if (cancelDialog.open() != 0) {
              result.setCancelled(true);
            }
            result.set(true);
            result.setText(cancelDialog.getEntry());
          }
        }
      }
,true);
      return result;
    }
    @Override public Collection<AbstractWorkflowArtifact> getAwas(){
      return awas;
    }
  }
;
  final TransitionToOperation operation=new TransitionToOperation(helper);
  Operations.executeAsJob(operation,true,Job.SHORT,new JobChangeAdapter(){
    @Override public void done(    IJobChangeEvent event){
      TransitionResults results=operation.getResults();
      if (!results.isEmpty()) {
        String resultStr=results.getResultString();
        results.logExceptions();
        AWorkbench.popup(MessageType.Error,"String_Node_Str",resultStr);
      }
    }
  }
);
}

Fixed version (ground truth):
private void handleTransitionButtonSelection(final SMAEditor editor,final boolean isEditable){
  editor.doSave(null);
  final List<AbstractWorkflowArtifact> awas=Arrays.asList(awa);
  final IAtsStateDefinition toStateDef=(IAtsStateDefinition)transitionToStateCombo.getSelected();
  final IAtsStateDefinition fromStateDef=awa.getStateDefinition();
  ITransitionHelper helper=new TransitionHelperAdapter(){
    @Override public boolean isPrivilegedEditEnabled(){
      return editor.isPrivilegedEditModeEnabled();
    }
    @Override public String getToStateName(){
      return toStateDef.getName();
    }
    @Override public Collection<? extends IAtsUser> getToAssignees(    AbstractWorkflowArtifact awa) throws OseeCoreException {
      return awa.getTransitionAssignees();
    }
    @Override public String getName(){
      return "String_Node_Str";
    }
    @Override public Result handleExtraHoursSpent(){
      final Result result=new Result(true,"String_Node_Str");
      Displays.ensureInDisplayThread(new Runnable(){
        @Override public void run(){
          boolean resultBool=false;
          try {
            resultBool=handlePopulateStateMetrics(fromStateDef,toStateDef);
          }
 catch (          OseeCoreException ex) {
            OseeLog.log(Activator.class,OseeLevel.SEVERE_POPUP,ex);
            result.set(false);
            result.setText(String.format("String_Node_Str",awas.iterator().next().toStringWithId()));
          }
          if (!resultBool) {
            result.setCancelled(true);
            result.set(false);
          }
        }
      }
,true);
      return result;
    }
    @Override public Result getCompleteOrCancellationReason(){
      final Result result=new Result(true,"String_Node_Str");
      Displays.ensureInDisplayThread(new Runnable(){
        @Override public void run(){
          IAtsStateDefinition toStateDef=getAwas().iterator().next().getStateDefinitionByName(getToStateName());
          if (toStateDef.getStateType().isCancelledState()) {
            EntryDialog cancelDialog=new EntryDialog("String_Node_Str","String_Node_Str");
            if (cancelDialog.open() != 0) {
              result.setCancelled(true);
            }
            result.set(true);
            result.setText(cancelDialog.getEntry());
          }
        }
      }
,true);
      return result;
    }
    @Override public Collection<AbstractWorkflowArtifact> getAwas(){
      return awas;
    }
  }
;
  final TransitionToOperation operation=new TransitionToOperation(helper);
  Operations.executeAsJob(operation,true,Job.SHORT,new JobChangeAdapter(){
    @Override public void done(    IJobChangeEvent event){
      TransitionResults results=operation.getResults();
      if (!results.isEmpty()) {
        String resultStr=results.getResultString();
        results.logExceptions();
        AWorkbench.popup(MessageType.Error,"String_Node_Str",resultStr);
      }
    }
  }
);
}