错误：_block_literal_generic或_block_invoke

Question

在我的iOS应用程序中，我发现了这个崩溃的来源，我遇到了一个问题，它有一个使用iPhone应用程序的核心数据模型，我无法登录URl。我在iOS 7上使用了相同的代码，它可以工作，但现在我尝试在iOS 8.2上工作。

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块点也在下面，检查屏幕快照是否有块错误：

[NetwokManager sharedInstance loginRequestEmail:userEmail和andPassword:userPassword WithResponse:^(id responseObject，NSError *error) { if (!error) { }

使用代码的情况如下：

-(void)sendLoginRequest
{
    NSString *userEmail = [[NSUserDefaults standardUserDefaults] objectForKey:@"emailKey"];
    NSString *userPassword = [[NSUserDefaults standardUserDefaults] objectForKey:@"passwordKey"];
    NSLog(@"Email %@", userEmail);
    NSLog(@"Password %@", userPassword);
    NSString *mobileNo = [SCUserProfile currentUser].callerid;
    NSLog(@"CallerID %@", mobileNo);
    [[NetwokManager sharedInstance] loginRequestEmail:userEmail andPassword:userPassword WithResponse:^(id responseObject, NSError *error) {
        if (!error) {

            NSLog(@"responseString = %@", responseObject);

            if (responseObject == nil)
            {
                NSLog(@"No data from server");

                UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Error"
                                                                    message:@"No data downloaded from server!"
                                                                   delegate:nil
                                                          cancelButtonTitle:@"OK"
                                                          otherButtonTitles: nil];
                [alertView show];

            }

            NSDictionary *resposneDict = (NSDictionary*)responseObject;
            NSString *success = [resposneDict valueForKey:@"success"];
            if ([success isEqual:@"Authentication Failed"])
            {
                [self showAlertViewWithMessage:@"Authentication Failed"];
                // [self sendLogoutRequest];
                [[C2CallAppDelegate appDelegate] logoutUser];

            }
            else if ([success intValue] == 1)
            {
                amobilePayUserID = [resposneDict valueForKey:@"user_id"];
                [[NSUserDefaults standardUserDefaults] setValue:amobilePayUserID forKey:@"AMobilePay_User_ID"];
                NSLog(@"User Id is:= %@",amobilePayUserID);
            }
            else if ([success intValue] == 0)
            {
                //[self sendRegistrationRequest];
                // [self sendLogoutRequest];
                // [[C2CallAppDelegate appDelegate] logoutUser];
            }
            else
            {
                [self showAlertViewWithMessage:@"Unable to login AmobilePay"];
            }
        } else {
            [self showAlertViewWithMessage:[error localizedDescription]];
        }
    }];
}

Answer 1

坠毁在未知区域2015-04-30 09:56:18.390 AmobipayMerchant337:60b *终止应用程序由于非正常例外'NSInvalidArgumentException'，原因：'-MOC2CallEvent成本:未识别的选择器发送到实例0x16ef2dd0‘

在代码中的某个地方，您将costs调用为MOC2CallEvent的一个实例。MOC2CallEvent没有方法或属性costs，所以它当然会崩溃。