spring boot log4j2 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

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

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

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

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

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

Redis Redis is a cache, Message Queuing, and multiple types of key-value storage services. Spring Boot Spring boot provides automatic injection configuration for lettcue and Jedis clients, and provides abstract interfaces through Spring-data-redis

{ The spring Boot2, to be exact, changed some of the package of the classes: The spring Boot 1 class name is: Org.springframework.boot.actuate.autoconfigure.EndpointAutoConfiguration Spring Boot 2 class name is: Org.springframework.boot.actuate.

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

?? In this blog, we will show you how to implement the download function of a file in spring boot.?? or follow the author to write a blog's consistent style, simple and yet detailed, practical and can let you learn.?? The main function of this spring boot project is file download, and this is the only feature, of cours

@Configuration, @EnableAutoConfiguration, and @ Componentscan with their default attributes9. Development toolsThe Spring-boot-devtools module can be included in any project to provide additional development-time features.Support code modification after reload startup, if not required:If you don't want to use the restart feature, you can disable it by using the Spring.devtools.restart.enabled property. In

Static resource accessWhen we develop Web applications, we need to reference a large number of JS, CSS, pictures and other static resources.Default configurationSpring boot defaults to provide a static resource directory location to be placed under Classpath, and the directory name must conform to the following rules:/static/public/resources/meta-inf/resourcesExample: We can create a static in the src/main/resources/directory, where a picture file is

-service calls in spring cloud.Let's look at a concrete example of how to use the Spring Cloud Ribbon to implement service invocation and client-side load balancing.Give it a try.In the following example, we will use the previously built as a service registry as a service eureka-server eureka-client provider as the bas

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

!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

The structure of this article:-What is Springdata JPA-Springboot Integrated Spring data JPA The core interface of Spring Data repository is repository (it seems to be nothing to be surprised). This interface requires the domain class with the ID type of the domain class as the parameter. This interface is primarily for you to know the type of interface that inherits this class. Crudrepository provides som

(); tomcat. setUriEncoding ("UTF-8"); return tomcat ;}} Construct the bean of EmbeddedServletContainerFactory, get the TomcatEmbeddedServletContainerFactory instance, you can set tomcat, for example, here set the encoding to UTF-8 SSL Configuration Generate Certificate Keytool-genkey-alias springboot-keyalg RSA-keystore/Users/liaokailin/software/A1/keystore set password 123456 Verify that the certificate is correct in tomcat Modify the tomcat/conf/se

) { Handlerunfailure(context, listeners, analyzers, ex); throw new illegalstateexception(ex); } } The first step is to initialize the listenerThis will initialize the spring boot listener and the custom listener added to the springapplication.Initialization listener call relationship is very deep, in order to save space, do not paste the source, and later with a special article to