Program: 105799
Project: 105799
Buggy source:
@Override @ActionEvent(eventType=EventTypes.EVENT_PRIVATE_GATEWAY_DELETE,eventDescription="String_Node_Str") @DB public boolean deleteVpcPrivateGateway(long gatewayId) throws ConcurrentOperationException, ResourceUnavailableException {
  final VpcGatewayVO gatewayVO=_vpcGatewayDao.acquireInLockTable(gatewayId);
  if (gatewayVO == null || gatewayVO.getType() != VpcGateway.Type.Private) {
    throw new ConcurrentOperationException("String_Node_Str" + gatewayId);
  }
  try {
    Transaction.execute(new TransactionCallbackNoReturn(){
      @Override public void doInTransactionWithoutResult(      TransactionStatus status){
        long routeCount=_staticRouteDao.countRoutesByGateway(gatewayVO.getId());
        if (routeCount > 0) {
          throw new CloudRuntimeException("String_Node_Str" + gatewayVO + "String_Node_Str"+ routeCount+ "String_Node_Str");
        }
        gatewayVO.setState(VpcGateway.State.Deleting);
        _vpcGatewayDao.update(gatewayVO.getId(),gatewayVO);
        s_logger.debug("String_Node_Str" + gatewayVO + "String_Node_Str"+ VpcGateway.State.Deleting);
      }
    }
);
    PrivateGateway gateway=getVpcPrivateGateway(gatewayId);
    for (    VpcProvider provider : getVpcElements()) {
      if (provider.deletePrivateGateway(gateway)) {
        s_logger.debug("String_Node_Str" + gateway + "String_Node_Str");
      }
 else {
        s_logger.warn("String_Node_Str" + gateway + "String_Node_Str");
        gatewayVO.setState(VpcGateway.State.Ready);
        _vpcGatewayDao.update(gatewayVO.getId(),gatewayVO);
        s_logger.debug("String_Node_Str" + gatewayVO + "String_Node_Str"+ VpcGateway.State.Ready);
        return false;
      }
    }
    return deletePrivateGatewayFromTheDB(gateway);
  }
  finally {
    if (gatewayVO != null) {
      _vpcGatewayDao.releaseFromLockTable(gatewayId);
    }
  }
}

Fixed version (ground truth):
@Override @ActionEvent(eventType=EventTypes.EVENT_PRIVATE_GATEWAY_DELETE,eventDescription="String_Node_Str") @DB public boolean deleteVpcPrivateGateway(long gatewayId) throws ConcurrentOperationException, ResourceUnavailableException {
  final VpcGatewayVO gatewayVO=_vpcGatewayDao.acquireInLockTable(gatewayId);
  if (gatewayVO == null || gatewayVO.getType() != VpcGateway.Type.Private) {
    throw new ConcurrentOperationException("String_Node_Str" + gatewayId);
  }
  try {
    Transaction.execute(new TransactionCallbackNoReturn(){
      @Override public void doInTransactionWithoutResult(      TransactionStatus status){
        long routeCount=_staticRouteDao.countRoutesByGateway(gatewayVO.getId());
        if (routeCount > 0) {
          throw new CloudRuntimeException("String_Node_Str" + gatewayVO + "String_Node_Str"+ routeCount+ "String_Node_Str");
        }
        gatewayVO.setState(VpcGateway.State.Deleting);
        _vpcGatewayDao.update(gatewayVO.getId(),gatewayVO);
        s_logger.debug("String_Node_Str" + gatewayVO + "String_Node_Str"+ VpcGateway.State.Deleting);
      }
    }
);
    List<Provider> providersToImplement=getVpcProviders(gatewayVO.getVpcId());
    PrivateGateway gateway=getVpcPrivateGateway(gatewayId);
    for (    VpcProvider provider : getVpcElements()) {
      if (providersToImplement.contains(provider.getProvider())) {
        if (provider.deletePrivateGateway(gateway)) {
          s_logger.debug("String_Node_Str" + gateway + "String_Node_Str");
        }
 else {
          s_logger.warn("String_Node_Str" + gateway + "String_Node_Str");
          gatewayVO.setState(VpcGateway.State.Ready);
          _vpcGatewayDao.update(gatewayVO.getId(),gatewayVO);
          s_logger.debug("String_Node_Str" + gatewayVO + "String_Node_Str"+ VpcGateway.State.Ready);
          return false;
        }
      }
    }
    return deletePrivateGatewayFromTheDB(gateway);
  }
  finally {
    if (gatewayVO != null) {
      _vpcGatewayDao.releaseFromLockTable(gatewayId);
    }
  }
}