I work on a Spring Boot project A, that has project B as a Dependency in pom.xml . Project B is a Spring boot project as well and integrates Spring Cloud.
I have written some tests in project A and I would like to set the property spring.cloud.kubernetes.enabled to "false" of project B, only when I run the tests in project A.
I know that inheriting configuration from a depencency is possible, but is the opposite possible?
So far tried to work with Profiles, with no success.
The docs say you can disable this feature by setting the property
spring.main.cloud-platform=NONE
You just need to figure out how to set this property when running your tests.
Related
For years, I've used Spring Initializr (at https://start.spring.io/) to create the initial SpringBoot application and then modify it to create the app. This works fine.
Is there a maven archetype I can use to create a SpringBoot app? Or is the Spring Initializr the only way to do this.
Searching I found this:
What archetype to choose for a simple java project
Which shows the command:
mvn archetype:generate -Dfilter=org.apache.maven.archetypes:
Which gives me a list of 14 items to choose from. None of them mention SpringBoot.
The closest match is org.apache.maven.archetypes:maven-archetype-webapp, so I tried it and it created a WebApp (*.war) which is not what I'm looking for.
The aim of the Maven archetype is for generating a project skeleton. The Spring Initialiser also does the same but I think you should find it more user friendly to use when compared to executing a maven archetype command.
If you insist to use maven archetype , you can simply search Github to see if there are people share their archetypes (search result at here)
If your aim is just to use command to generate a spring-boot project skeleton , Spring Initializr actually provide an HTTP API to do it.
Also you can checkout JHipster, which is another tool to generate a spring-boot project skeleton.
You could also use Spring Boot CLI to scaffold new Spring Boot projects:
spring init --dependencies=web,data-jpa my-new-project
It works just as Spring Initializr, but on the command line.
See section 2.4 "Initialize a New Project" on Spring Boot CLI documentation here: https://docs.spring.io/spring-boot/docs/current/reference/html/cli.html#cli.using-the-cli.initialize-new-project
I have an existing project. I need to make it a Spring boot based project and I am using IntelliJ CE.
What would be correct procedure for doing it?
Edit:
Project has no initial structure. It is a totally empty project. So no existing modules etc.
Spring Boot is an Ultimate feature, so first you would need to try/buy the IntelliJ IDEA Ultimate.
From there, you can add Spring support to existing project modules or use the Spring Initializr wizard to select the necessary configuration when creating a new project or module.
In your maven pom.xml or build.gradle file, I would add the spring boot starter dependency:
spring-boot-starter (the group id is org.springframework.boot)
If the application is a web application, I would also add the web starter spring-boot-starter-web also with the same group id (org.springframework.boot)
For convenient features, applying the spring boot plugin would help in creating a runnable jar with all required dependencies bundled called a fat jar.
A great tool I use is the spring boot project generator. It allows you to configure the modules you want and create a project template.
Spring Boot requires IntelliJ IDEA Ultimate. If you want to use IntelliJ CE, please create a project using Spring Initilizer then import the same to your IntelliJ CE (File -> Open -> Choose the project root folder). After you import the project, wait for some time so that IntelliJ can download the dependency and build your project. You can check from (Build -> Build your project). Then find the main class of spring boot and run it using the green play button
Spring boot starter project provides extensive set of functionalities auto configured. But for our application we want to have only a subset of functionality. May be only one feature out of the spring boot starter project. So is it advised to have custom starter project on top of spring boot provided starter project to mask some of the features or write new starter project directly from lower level libraries?
Spring boot starter project provides extensive set of functionalities
auto configured
There are two separate concerns you are talking about.
I think the auto configured part is something which is Spring boot's opinionated way of configuring. As an example if in classpath it finds a in-memory database library ( like H2) it automatically creates a datasource (pointing to embedded in-memory database) which is available for autowiring without you writing the configuration in a Java config class. Of course you can create you own datasource of choice by including appropriate driver jar for that database. Similarly lots of other configurations are done by default by classpath scanning and availability of certain jars and classes.
The second part - is more of a dependency issue in general. Say you want to use web mvc part in Spring boot. This will require a consistent set of dependencies and transitive dependencies as well. Rather than finding and declaring the dependency in your build tool of choice ( maven, gradle etc) it has created the concept of starter projects where you simply mention the parent and all the right dependencies would be pulled on. This gives a great way to correctly lock your dependencies. However if you want to include any different version than what is provided by boot starter ( provided there is no compatibility issues with those different versions) you can still add explicitly in your build tool. For e.g., maven will by default include the highest version of a particular dependency among all available via transitive dependencies when it resolves dependency for an artifact.
I have previous experience in Spring MVC but I am new to Spring Boot.
I am Using IntelliJ for the first time.
What I noticed is that when you create a Spring boot project with security dependencies added during the time of creation, Then the IDE creates the project already configured With Basic Authentication whereas if I add dependencies to pom.xml after creation, then the application won't get configured with basic authentication automatically.
Can anyone explain this behavior of IntelliJ and can anyone help me with steps for configuring the pre-created project with Basic Authentication?
IntelliJ is using
https://start.spring.io/
to initialise your project. After the project is initialised, the IDE doesn't modify your code in any way. That is the normal behaviour and it is not Spring Boot related.
NOTE: The dependency that you add in your pom.xml is just pulling down that dependency, but if you need to use it you do the code yourself. (More information about Maven: https://en.wikipedia.org/wiki/Apache_Maven)
I am trying to convert my existing multi-module maven Spring project to Spring Boot project. The reason is make it self contain and follow Martain Fowler's microservices concept.
However, the problem I have encounter is when try to clean build, seems the spring boot is trying to find the Main method from every module, which of course will failed.
Is this feature currently supported by Spring Boot 1.1.6.RELEASE or I did something wrong?
Thanks
It sounds like you've added Spring Boot's Maven plugin to every module in your build – it's what's looking for a main method. You should only add the Spring Boot plugin to a module if its a service that you want to run. If the module's just code that's shared between your services, the Spring Boot plugin isn't needed in that module.