Spring Boot unveiling and actual combat: RabbitMQ

Spring Boot integrates RabbitMQ Spring Boot is very easy to integrate RabbitMQ. It only needs two steps. First, add RabbitMQ dependency in pom.xml. org.springframework.boot spring-boot-starter-amqp The second step is to configure the information in src/main/resources/application.properties. #rabbitmq spring.rabbitmq.host=local ...

Posted by Jenling on Sun, 05 Jan 2020 03:05:15 -0800

quartz timed task -- Job cannot inject service @Autowired automatically. The injection is null

The pit stepped by Quartz's scheduled task Cannot inject service or @ Autowired to null When quartz is integrated with springboot, when quartzJob is injected into redisService, null is always reported At first, I thought it was spring that was not configured correctly. After "small degree", I knew it was quartz's configuration reas ...

Posted by jeff8j on Thu, 02 Jan 2020 07:10:37 -0800

springboot~hazelcast caching Middleware

Cache is coming. In the dotnet platform, there is its own cache framework. Of course, there are many integrations in java springboot, and there are many choices for cache middleware. Redis and hazelcast are distributed cache middleware. Today, we mainly talk about the implementation of the latter. Add dependency package dependencies { compi ...

Posted by Shaudh on Wed, 01 Jan 2020 11:37:00 -0800

springcloud feign resolves multiobject participation

background Business Split creates a new project that wants to reference a new technology stack (using the springcloud family bucket, temporarily unable to upgrade to springboot 2.0 for project reasons, so feign is used here for rpc), but it still uses the previous RPC interface (the original RPC framework is thrift) Problem occurs when there ...

Posted by avo on Sat, 28 Dec 2019 21:53:41 -0800

Spring boot integrates vue

order This paper mainly studies how to integrate vue in springboot project maven <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> Create a new springboot web project. By default, static and templat ...

Posted by Lexas on Thu, 26 Dec 2019 11:45:56 -0800

Spring boot - @ controlleradvice intercepts exceptions and handles them uniformly

SpringBoot is the product of a series of problems to simplify the creation, operation, debugging and deployment of Spring applications, The feature of automatic assembly enables us to pay more attention to the business itself rather than the external XML configuration. We can easily build a WEB project by following the specification and introdu ...

Posted by lssjg on Sun, 22 Dec 2019 03:49:47 -0800

Summary of SpringBoot Junior Knowledge, I'm too difficult to continue...

How idea packages and publishes springboot 1.1. Environmental preparationwindow system, jdk8 environment, springboot project, maven3.5.4 environment 1.2. Package and publish Open the idea editor and open a written demo projectThen open the terminal window under the idea editor, and when you open this window, it's at the root of the directoryEn ...

Posted by trukfixer on Sat, 21 Dec 2019 19:27:51 -0800

Proficient in Spring Boot -- Part 5: write a Spring Boot starter package

In order to better understand the automatic configuration and working principle of spring boot, let's write a spring boot Hello starter today. This process is very simple, not much code. Let's see how to start. ##1. New maven project. This is not a demonstration. If you can't do it yourself, baidu... Lala, because it's too simple 2. Create a ne ...

Posted by novicephp on Fri, 20 Dec 2019 09:15:18 -0800

[Object Object] Solution JSON.stringify()

[Object Object] Description [object Object] is the string form of the object because the toString() method of the Object object is implicitly called in the form: "[object Object]". [object Object object] represents only one object, the current object toString() is not parsed correctly, and JSON.stringify() can be used to avoid this pr ...

Posted by Mikell on Thu, 19 Dec 2019 20:09:22 -0800

Day of New Man's Trench - java.lang.NullPointerException: null appears when springboot injects mapper

The next week I came to the company, I received a development request for a timed task: Send a user report mail every morning at 10:00 a.m.It's a little embarrassing that the new recruits didn't do this.) so decided to write step by step, export from excel - > mail send - > timer implementation - > mapper layer return set receive, the ...

Posted by kester on Thu, 19 Dec 2019 00:42:36 -0800