c# - Are exceptions caught in the presentation layer during project development?

In actual projects, the business logic layer and service layer only throw exceptions but do not handle them. Are exceptions caught and handled in the presentation layer (logging or something)? This seems to be inapplicable if the front-end and back-end are separated. Exception capture needs to be ca...

天蓬老师 2017-05-16 17:05:43 0  2  966

Why do we need to use PHP exception codes? What are the usage scenarios of PHP exception code?

Ok, this is a very stupid question to many people, but I hope to get an overwhelming response :) When I throw an exception in PHP, I can add a code to the message. I catch the exception and handle it based on its type (like InvalidArgumentException or OutOfBoundException). I log the message or displ...

P粉476547076 2023-08-24 12:31:44 0  2  568

Get the location information of PromiseRejectionEvent

I have some code where async functions may throw errors and I'm handling them using the unhandledrejection event because those uncaught throws don't fire the error event because they happen inside a Promise. So my error handler is getting a PromiseRejectionEvent instead of an ErrorEvent. So far so g...

P粉447785031 2024-02-17 18:06:26 0  1  496

java - ssm integration gives an error when accessing the presentation layer. .

严重: Servlet.service() for servlet [tour-manager] in context with path [] threw exception [Handler processing failed; nested exception is java.lang.NoSuchMethodError: org.springframework.core.Meth...

phpcn_u1582 2017-05-18 10:44:03 0  1  818

c# - mvc was developed on vs2013 and now debugs on 2015 and reports an error. The details are as follows

Error details An exception of type "System.IO.FileNotFoundException" occurred in System.Web.Mvc.dll but was not handled in user code. Other information: Unable to load file or assembly "System.Web.Razor, Version =2.0.0.0, Culture=neutral, Public...

習慣沉默 2017-05-16 17:06:03 0  1  869

Why can't jQuery or DOM methods like getElementById locate elements?

What are the possible reasons why document.getElementById, $("#id") or any other DOM method/jQuery selector cannot find the element? Example issues include: jQuery silently fails to bind event handlers jQuery "getter" methods (.val(), .html(), .text()) return undefined Standard D...

P粉720716934 2023-10-15 15:40:06 0  2  630

java - How to catch exceptions and rollback when multi-threading is enabled in a transaction in spring?

Suppose I use 2 threads in a transaction to speed up processing. If the userDao.addOrg() method throws a RuntimeException, the transaction will not be rolled back and the error will not be caught. What should I do? ? {code...}

女神的闺蜜爱上我 2017-06-12 09:26:37 0  1  1652

java - Why is it not recommended to throw RuntimeException directly in the code?

Using such generic exceptions as Error, RuntimeException, Throwable, and Exception prevents calling methods from handling true, system-generated exceptions differently than application-generated er...

曾经蜡笔没有小新 2017-06-30 09:56:07 0  5  1493

Why can't jQuery or getElementById locate the element?

What are the possible reasons why document.getElementById, $("#id") or any other DOM method/jQuery selector cannot find the element? Example issues include: jQuery silently fails to bind event handlers jQuery "getter" methods (.val(), >.html(), .text()) return undefined Standa...

P粉575055974 2023-10-15 14:53:18 0  2  747

Catching Guzzle exceptions

I'm trying to catch exceptions in a set of tests running on an API I'm developing, and I'm using Guzzle to consume the API methods. I have wrapped the test in a try/catch block but it still throws an unhandled exception error. Adding an event listener as described in their documentation doesn't seem...

P粉511749537 2023-11-16 14:36:03 0  12  1179

Issue when editing order in Shopware admin panel when adding custom discount

I wrote a custom cart discount as per the documentation https://developer.shopware.com/docs/guides/plugins/plugins/checkout/cart/add-cart-discounts and everything works fine when the customer adds or removes a product from the cart , the discount is recalculated but when I want to edit this order in...

P粉811349112 2023-09-01 17:30:17 0  1  899

WebhookUrl update in WordPress plugin results in fatal error: Uncaught Error: Call to undefined method Mollie\Api\Endpoints\SubscriptionEndpoint::update()

I'm trying to update webhookUrl in mollie for subscription. The old webhookUrl is obsolete and the programmers who made it are no longer with us. Here is a link to the mollie I'm trying to use. After checking the new version on github, I found that the method of updating subscriptions is a little di...

P粉993712159 2023-09-04 00:15:50 0  1  565

How to return 401 with custom message?

In my WebAPI, I catch the AuthenticationException thrown by the DoCdssLoginTests(...) method in which case I return a 401 error, but I want to be able to use it to send a custom message. The content member is not available and I cannot overwrite the response with a new member. I found this thread bu...

P粉851401475 2024-01-01 15:06:48 0  1  481

Javascript event delegate with unknown selector and children

I have a dynamic selector (linkTrigger) which is supposed to capture clicks on an element. I don't know what linkTrigger might be or if it will have some children. When I use jQuery everything is fine. If you click on the first green rectangle (not the number part) you will see all 3 handlers workin...

P粉187677012 2024-04-03 23:39:19 0  1  531

Receiving "TypeError: Unable to get" when the request didn't actually fail

I'm using fetchAPI in my React application. The application is deployed on the server and runs fine. I tested it multiple times. However, the app suddenly stopped working and I don't know why. The problem is that when I send the get request, I receive a valid response from the server, but the fetchA...

P粉083785014 2023-08-23 17:57:40 0  2  598

How to render data through DOM instead of through table

I have a question about an application I'm creating, I'm using an Oracle database and I'm getting information from the database and presenting it on the screen via a table, but I'd like to try processing the data individually, for example creating a paragraph and displaying it a value. I can only pr...

P粉207483087 2024-04-04 18:17:27 0  1  3734

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47 0  1  767

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  699

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28 0  1  591