Program: 105100
Project: 105100
Buggy source:
protected boolean sendStop(final VirtualMachineGuru guru,final VirtualMachineProfile profile,final boolean force,final boolean checkBeforeCleanup){
  final VirtualMachine vm=profile.getVirtualMachine();
  final StopCommand stop=new StopCommand(vm,getExecuteInSequence(vm.getHypervisorType()),checkBeforeCleanup);
  try {
    final Answer answer=_agentMgr.send(vm.getHostId(),stop);
    if (answer != null && answer instanceof StopAnswer) {
      final StopAnswer stopAns=(StopAnswer)answer;
      if (vm.getType() == VirtualMachine.Type.User) {
        final String platform=stopAns.getPlatform();
        if (platform != null) {
          final UserVmVO userVm=_userVmDao.findById(vm.getId());
          _userVmDao.loadDetails(userVm);
          userVm.setDetail("String_Node_Str",platform);
          _userVmDao.saveDetails(userVm);
        }
      }
      final GPUDeviceTO gpuDevice=stop.getGpuDevice();
      if (gpuDevice != null) {
        _resourceMgr.updateGPUDetails(vm.getHostId(),gpuDevice.getGroupDetails());
      }
      if (!answer.getResult()) {
        final String details=answer.getDetails();
        s_logger.debug("String_Node_Str" + details);
        return false;
      }
      guru.finalizeStop(profile,answer);
    }
 else {
      s_logger.error("String_Node_Str" + vm.getInstanceName());
      return false;
    }
  }
 catch (  final AgentUnavailableException e) {
    if (!force) {
      return false;
    }
  }
catch (  final OperationTimedoutException e) {
    if (!force) {
      return false;
    }
  }
  return true;
}

Fixed version (ground truth):
protected boolean sendStop(final VirtualMachineGuru guru,final VirtualMachineProfile profile,final boolean force,final boolean checkBeforeCleanup){
  final VirtualMachine vm=profile.getVirtualMachine();
  final StopCommand stop=new StopCommand(vm,getExecuteInSequence(vm.getHypervisorType()),checkBeforeCleanup);
  try {
    Answer answer=null;
    if (vm.getHostId() != null) {
      answer=_agentMgr.send(vm.getHostId(),stop);
    }
    if (answer != null && answer instanceof StopAnswer) {
      final StopAnswer stopAns=(StopAnswer)answer;
      if (vm.getType() == VirtualMachine.Type.User) {
        final String platform=stopAns.getPlatform();
        if (platform != null) {
          final UserVmVO userVm=_userVmDao.findById(vm.getId());
          _userVmDao.loadDetails(userVm);
          userVm.setDetail("String_Node_Str",platform);
          _userVmDao.saveDetails(userVm);
        }
      }
      final GPUDeviceTO gpuDevice=stop.getGpuDevice();
      if (gpuDevice != null) {
        _resourceMgr.updateGPUDetails(vm.getHostId(),gpuDevice.getGroupDetails());
      }
      if (!answer.getResult()) {
        final String details=answer.getDetails();
        s_logger.debug("String_Node_Str" + details);
        return false;
      }
      guru.finalizeStop(profile,answer);
    }
 else {
      s_logger.error("String_Node_Str" + vm.getInstanceName());
      return false;
    }
  }
 catch (  final AgentUnavailableException e) {
    if (!force) {
      return false;
    }
  }
catch (  final OperationTimedoutException e) {
    if (!force) {
      return false;
    }
  }
  return true;
}