Spring provides the powerful annotation @value to set a default value expression for a field or method/constructor parameter. @value is mainly used to inject a property value from the applications.properties file into a Spring bean. This tutorial...
Spring IDE is a set of plugins which are adding support for the popular application framework Spring to the Eclipse platform. This tutorial shows how to install Spring IDE on Eclipse. Installation Install STS...
By default, RestTemplate don’t use a proxy to make the http calls and if you work in an environment that requires one, you will encounter the following exception :
org.springframework.web.client.ResourceAccessException: I/O error on GET request for "http://roufid.com": Connection timed out: connect; nested exception is java.net.ConnectException: Connection timed out: connect
Caused by: java.net.ConnectException: Connection timed out: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
... 33 more
This tutorial will show two...
In a Spring Data JPA environment, you may want to retrieve the domain type of the repositories defined in your application. This tutorial will show two ways to retrieve Spring JPA repository domain type....
Spring Boot is one of the most powerful Java EE frameworks that aims to facilitate the development of new application. It brings all the power of the Spring stack (Spring dependency injection, Spring data...
This tutorial will show how to load multiple configuration files from different directories with Spring Boot. By default, Spring Boot look for your externalized configuration file ( application.proroperties ) in four predetermined locations : in classpath...
By default, Spring Boot will look for your externalized properties in a file named application.properties located in one of the following folders : classpath root in the package /config in classpath in the current...
By simple configuration, Spring boot provides a powerful way to work with a single database. Sometimes you need to work with multiple databases (for example, one for basic usage and another for archiving). In...