spring boot log4j2 example

, and subversionSpring Cloud Busevent, message bus, used to propagate state changes in a cluster (for example, configuration change events), which can be combined with Spring Cloud config for hot deploymentEurekaCloud service discovery, a REST-based service for locating services to enable mid-tier service discovery and failover in the cloud.Hystrixfuses, fault-tolerant management tools, designed to control

The main contents of this chapter:With previous learning, we learned and quickly completed the first spring boot application. Spring Boot Enterprise Framework, then how does spring boot read static resources? such as JS folder, CS

Use the Spring Boot default log frame Logback.The benefit of all these POM dependencies is that it provides a good basis for developing Spring applications. The third-party library selected by Spring Boot is considered and is a better choice for product development. But

autoconfigurator, spring boot Starter triggers Sp Ring Boot Autoconfigurator automatically. Spring Boot CLISpring boot CLI (Command line Interface) was a spring

next period of time will be an important decision-making basis for the upgrade or not, because the spring boot 1.x version clearly illustrates the absence of a support plan for Java 9, in other words, if you want to run spring boot on Java 9, Then you must upgrade to Spring

database connection pool selection algorithm By default, database connections can be configured automatically using the DataSource pool. Here is an algorithm for selecting a specific implementation: because of the performance and concurrency of the Tomcat data source connection pool, we always use it preferentially when Tomcat is available. If HIKARICP is available, we will use it. If Commons DBCP is available, we will use it, but it is not recommended in the production environment. Finally, if

, where the UU field is only tested if the name does not correspond, will the value be assigned successfully PrivateString UU; PrivateString resume; PublicString GetName () {returnname; } Public voidsetName (String name) { This. Name =name; } PublicInteger getage () {returnAge ; } Public voidsetage (Integer age) { This. Age =Age ; } PublicString Getuu () {returnUU; } Public voidsetuu (String uu) { This. UU =UU; } PublicString Getresume () {returnResume; } Public v

different transaction manager when declaring a transaction. The transaction management configuration for different data sources can be found in the settings in Spring boot multi-data source configuration and use. When declaring a transaction, you only need to specify the configured transaction manager name through the Value property, for example: @Transactional

Classes that overwrite Auto-configuration Dynamic configuration with external properties "this article" Customizing the Error page "second article" The automatic configuration of Spring boot can save a lot of uninteresting configuration work, but not all automatic configuration can meet the requirements. For example, when you link a database, you nee

exactly the same configuration, but to another environment is not run up. So you spend a lot of time looking for it, and finally find out that there is a problem with a parameter or a comma, or the system kernel version is inconsistent, or you don't understand why! You can only switch to another server, so using Docker is a perfect escape from these pits.All right, no more nonsense, let's get started!Spring Boot