@Async Exception Handling in Spring
Override method getAsyncUncaughtExceptionHandler in AsyncConfigurer could custom exception handling for @Async.
Source: @Async Exception handling Spring Boot
Aldora L
Guava Multimap Guide
Multimap is one Map implementation from Google Guava library, maps keys to values, similar to Map, but in which each key may be associated with multiple values. You can visualize the contents of a multimap either as a map from keys to nonempty collections of values[1]:
* a → 1, 2
Troubleshoot AWS Database Remote Connectivity
Connecting to AWS database remotely, e.g. from your local computer, can be tricky sometimes, and it involves complex VPC(Virtual Private Cloud) conception, this tutorial will help you walk through the steps to set up AWS database remote connectivity without the need for understanding of VPC.
Anatomy of a
AWS Free Tier RDS Database Setup
As part of the AWS Free Tier, the Amazon RDS Free Tier helps us get started with a managed database service in the cloud for free. There are two important things while setting up it: keep database storage and time usage under the free tier limit, and set up a
Docker+PHP+Nginx: Part 2
The Docker+PHP+Nginx: Part 1 shows a way to set up Docker, PHP and Nginx, and create files and write log(writing permission in docker is a complex problem) in the php container.
Now part 2 will explain how it solves the important problems:
* php-fpm's writing permission
Docker+PHP+Nginx: Part 1
This tutorial shows a way to set up Docker, PHP and Nginx, and creates files and writes log(writing permission in docker is a complex problem) in the php container.
It is split into two parts. Part 1 aims to show how to get the whole thing running, Part 2
Spring Annotation @Validated and @Valid
@Validated
@Valid
mark a member attribute for validation
✖️
✅
group-level validation
✅
️ ✖️
mark request parameter for validation
✅
✅
Example 1
Example 2
This note borrows code from Differences in @Valid and @Validated Annotations in Spring