spring boot webflux example

mappings, throw MyException exceptions@Controller Public class Hellocontroller { @RequestMapping ("/json") publicthrows myexception { thrownew myexception ("Error 2 occurred"); } } MyExceptioncreate a corresponding processing for an exception@ControllerAdvice Public classGlobalexceptionhandler {@ExceptionHandler (value= MyException.class) @ResponseBody PublicErrorinfothrowsException {errorinfoNewErrorinfo(); R.setmessage (E.getmessage ()); R.s

Onseentity You can see that the above prints a variety of information indicating that the launch was successful. Browser access http://localhost:8080/ You can see the output Hello world information. Related instructions: @EnableAutoConfiguration and Springapplication. 1, @EnableAutoConfiguration for automatic configuration. It is based on your POM configuration (which should actually be based on specific dependencies) to determine what the application is and create the appropriate envi

Play Spring boot integration Dubbo using spring boot and Dubbo integration, here I have tried to use annotations, the simple use of annotations to register the service is actually no problem, but when you involve the use of annotations in the service to refer to the transaction, injection of other objects, There will b

OverviewThis article mainly describes how to write unit test, integration test code for Spring-boot-based Web applications.The architecture diagram for such an application is generally as follows:The program of our project corresponds to the Web Application section in. This part is generally divided into controller layer, service layer, persistence layer. In addition, there are some data encapsulation class

In front of me, there was a blog about the RABBITMQ to implement a watch function similar to ZK, but that blog did not have a code instance, and later made a demo to make it easier to understand. The demo mainly uses the spring boot configuration method,First, the consumer (ie Watcher) configurationConfiguration is configured with spring annotations1. Create a co

follows:Root Package Structure:com.example.myprojectCom+-Example+-myproject +-application. Java | +-domain | +-customer. Java | +-customerrepository. Java | +-service | +-customerservice. Java | +-controller | +-customercontroller. Java | 1, Application.java recommended to follow the directory, mainly used to do some framework configuration 2. The domain directory is primarily used for entity and data Access Layer (Reposi

example of the chapter3-1-1 to carry out the following experiment (CHPATER3-1-5 is our results engineering, also refer to).Add Swagger2 Dependencypom.xmljoin Swagger2 in the dependencyDependency>Groupid>io.springfoxGroupid>Artifactid>springfox-swagger2artifactid> version>2.2.2version>dependency>dependency> groupId> Io.springfoxgroupid> artifactid>springfox-swagger-ui artifactid> version>2.2.2DEPENDENCY> Creating the Swagger2 Configuration classAppl

(annotations) detailed@SpringBootApplication: Assert that spring boot automatically configures the program as necessary, which is equivalent to: @Configuration, @EnableAutoConfiguration and @ Componentscan of three configurations.Package com.example.myproject; Import org.springframework.boot.SpringApplication; Import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication//Same

id", required =true, DataType = "Long"), @ApiImplicitParam (name= "User", Value = "Users detailed entity", required =true, DataType = "User")}) @RequestMapping (value= "/{id}", method=requestmethod.put) PublicString putuser (@PathVariable Long ID, @RequestBody user user) {User U=users.get (ID); U.setname (User.getname ()); U.setage (User.getage ()); Users.put (ID, u); return"Success"; } @ApiOperation (Value= "Delete User", notes= "Specify delete object based on URL id") @Ap

Overview This article mainly describes how to write unit test, integration test code for Spring-boot-based Web applications. The architecture diagram for such an application is generally as follows: The program of our project corresponds to the Web Application section in. This part is generally divided into controller layer, service layer, persistence layer. In addition, there are some data encapsulation c

();}}}After the call returns the result output asHello,leftsoThree. Question Qa3.1 Known Issues 1Upgrade the spring boot version of the example above to 1.5.x. Start Project Error:Java.lang.noclassdeffounderror:org/springframework/boot/context/embedded/servletregistrationbeanat JAVA.LANG.CLASS.GETDECLAREDMETHODS0 (Nat

In the August 24 article, "Full stack Engineer mobile development Practice ━restful and Spring boot details", I introduced to you the spring boot MAVEN configuration, today we look at Spring Boot's first application, which is the standard of a language--hello World's impleme

Kafka Getting Started and Spring Boot integration tags: blogs[TOC]OverviewKafka is a high-performance message queue and a distributed streaming processing platform (where flows refer to data streams). Written by the Java and Scala languages, originally developed by LinkedIn and open source in 2011, is now maintained by Apache.Application ScenariosHere are some common application scenarios for Kafka.Message

!But what if I use Spring boot?Very simple, I just need very few configuration can quickly and easily build up a set of Web projects or build a micro-service!Quick StartMAVEN Build Project1. Visit http://start.spring.io/2. Select the Build tool Maven project, Spring boot version 1.3.6, and some engineering basics, clic

Spring Boot has a view of how to build an application using spring: For example, it has a general location for regular profiles, and endpoints for common management and monitoring tasks. Spring Cloud builds on this and adds features that may be used or occasionally required

theme.Two create a application in your OpenShift DIY environmentrhc app create This command creates an applicationBootusingDIYcartridge and clones the repository toBootdirectory.And then, for example, the database. These operations, you can be in the Web console after the addition is very convenient, not necessarily you need to join in RHC immediately, if necessaryrhc cartridge add Now go to your application directory and delete the following files/f

. springframework. Cache. CacheManager is provided to manage various caches. This interface only contains two methods. // Obtain the Cache getCache (String name) of the corresponding topic based on the name; // obtain the Cache Collection of all topics In this interface, adding or deleting caches is not allowed. These operations should be completed within various CacheManager implementations and should not be made public. Annotation-based Cache Data Cache operations are not theoretically releva

It is believed that many developers who have used spring know that spring provides a very useful JavaMailSender interface for sending mail. An automated configuration is also provided for this in the Spring Boot starter module. Here's an example of how to use Send mail in

Brief introductionSpring boot is a set of basic configuration environments provided by spring that can be used to quickly develop products at the production environment level. Especially suitable for the development of micro-service architecture, save a lot of configuration trouble. For example, when you use spring MVC

2.1 Configure Environment Java 1.8+ Maven 3.3+ Spring-boot 1.3.5 Idea 15 Thymeleaf 3 2.2 StartIn idea, choose new-maven to create an empty MAVEN project, such as name Springboot-test.2.2.1pom.xmlTo set the Java version:Add dependent version Management DependencymanagementAdd Spring-web Project DependenciesAdd Build-pluginIn this way