java which in turn calls the SpringApplication. cookie, but hardly a feat of software engineering. Tutorial: Secure a Java web app using the Spring Boot Starter for Azure Active Directory. Please consider disabling your ad blocker for Java4s. It starts auto-configured tomcat web server when Spring application is started. The easiest way to do this would be to create a project via start. We can also configure SERVER_SERVLET_CONTEXT_PATH for Spring Boot 2. here is an example of a regular Spring XML file in Spring 2. Update via code, this overrides properties and yaml settings. To get started with Spring Boot 2. Let's learn the basics of microservices and microservices architectures. So you could make a trivial JavaScript call back to the local server, get the headers out of the string, and then post that back to an external domain. If the Tomcat container embedded in a Spring Boot application has explicit configuration for the 'X-Forwarded-\*` headers, this happens automatically. 5 i use db2 database and created simple rest api using spring boot my server log is as bellow. How to configure multiple DataSources (Databases) with Spring Boot and Spring Data? Sometimes its our application requirement to deal with multiple databases. properties file and adding that to the classpath. HttpsURLConnection class provides a way to specify the security context information for a client, including the digital certificate and private key of the client. com is for Java and J2EE developers, all examples are simple and easy to understand, and well tested in our development environment. Write and Earn Become an author on Javadevjournal. It demonstrates full duplex communication and how the server can push messages to. It uses Tomcat as the default embedded container. Writing a Spring WebFlux server-side logic is virtually the same as writing typical, Spring MVC logic. Copy the app name because it. 1 or later (and xbean-spring 2. Maven Maven Dependencies. yml 設定は application. spring-boot-starter-tomcat : Starter for using Tomcat as the embedded servlet container. In a barebones Spring Boot application you have an application. You can choose from several popular languages, libraries, and frameworks to develop your apps, then let App Engine take care of provisioning servers and scaling your app instances based on demand. yaml or application. Before learning Spring Boot, you must have the basic knowledge of Spring Framework. Spring Boot JDBC + MySQL - How to Create/Configure a DataSource Spring-Boot-Tutorials » on Jan 14, 2018 { 13 Comments } By Sivateja I n this article, I am going to explain you how to create / configure a datasource in Spring boot with an example. How to get Server IP Address and Hostname in Java Last Updated on July 16th, 2017 by App Shah 4 comments In Java, you can use InetAddress. application. Example of how to Redirect to different pages after Login with Spring Security. Setting up a basic web application with Spring Boot is a cake walk. properties in src/main/resources. The main issues related to scripts used by Tomcat. You'll notice the CRUD (Create, Read, Update, and Delete) functions are defined. In addition when the reverse proxy terminates the https connection, it may be necessary to configure server. Let’s edit the application. Not just a normal cookie, but a secured, HTTP-only cookie with a very limited path ( /oauth/token ). url property exposed in the Config Server. REST Server with Spring Data, Spring Boot and PostgreSQL This article will create and configure a REST server with the Spring Data for the manipulation of data to PostgreSQL database and the Spring Boot used to configure and initialize the application easily and quickly. I don't think this works, as Maven does not understand this command line argument. When you supply datasource properties in Spring Boot's application. Spring Boot: Excel, Csv and Pdf view example. Spring MVC RESTFul GET POST PUT DELETE. Spring Boot Security - Introduction to OAuth Spring Boot OAuth2 Part 1 - Getting The Authorization Code Spring Boot OAuth2 Part 2 - Getting The Access Token And Using it to fetch data. One of the newly added features that we investigated was metrics system based on Micrometer library (https://micrometer. Sending HTML email with Spring Boot and Thymeleaf Sending an email from the backend application part is a quite common use case in the world of enterprise applications. getHostName() to get Hostname of the current Server name. My Spring Boot 2. Building an Application with Spring Boot This guide provides a sampling of how Spring Boot helps you accelerate and facilitate application development. Let's learn the basics of microservices and microservices architectures. Let’s edit the application. So if you want to get up and running with a minimum amount of coding, then you’ll love this guide. Spring Initializr is a convenient way of generating Spring Boot projects and is managed by spring. In this part of Spring Boot series, we will learn How to create RESTFul Webservices using Spring Boot. For example, via ViewCVS. com, we won't encourage audio ads, popups or any other annoyances at any point, hope you support us :-) Thank you. In case the Spring Boot Admin server is running behind a reverse proxy, it may be requried to configure the public url where the server is reachable via (spring. Each Spring Boot web application includes an embedded web server. 1 spring boot admin : 1. In this tutorial, you will learn to build an example to upload multiple files in Spring Boot with MultipartFile What you'll build What you'll need JDK 8+ or OpenJDK 8+ Maven 3+ Stack Java Spring Boot Freemarker Init project structure and dependencies Project structure ├── src │ └── main │ ├── java │ │ └── com │ │ └── hellokoding. The nice part is, Spring Boot sets default database properties only when you don't. We have to configure HttpSecurity to override the defaults. It provides a methodgetProperty which returns provided value based on the supplied property name. Java IDE Pack. Sivateja, Java/J2EE developer & web designer. To publish a message use a HTTP POST. To use TestNG instead of JUnit, we simply need to change our Maven setup to use the following two dependencies:. Its time to get our hands dirty with some real coding. In connection with Spring Security, we will be able to perform some additional authentication and authorization. 0 What we want to do? 2. Configure Sessions with Spring Security - set up Concurrent Sessions, enable Session Fixation Protection and prevent URLs from containing Session. properties, we can use the "logging. I spent some time recently working with a plethora of Java microframeworks to determine which one I would like to use for some personal projects that I have been working on. Spring Boot contains a comprehensive infrastructure support for developing a micro service and enables you to develop enterprise-ready applications that you can “just run”. In this article, we'll bootstrap the project and write the basic domain models and repositories. We will create a REST web service application using Spring Boot and a client application using Angular. OracleDriver. NOTE: The example below requires servlet mapping on the URL. It is written in Scala and uses Spring Boot and Spring Cloud as the Microservice chassis. It is an open source project and is available through a variety of private cloud distributions and public cloud instances. How to enable Http basic authentication in Spring Security using XML config If you are using the XML configuration file to enable Spring security in your application or working on Spring security 3. The contained application (a search engine) expects a GET request to perform a search. oktapreview. To get these working with the server, we define a controller with an upload endpoint that will accept multipart form data. Like all Spring Boot applications, it runs on port 8080 by default, but you can switch it to the more conventional port 8888 in various ways. Build an API with Spring Boot 2. We are building a Spring Boot application with a REST interface and at some point we wanted to test our REST interface, and if possible, integrate this testing with our regular unit tests. For posting without the servlet mapping, see examples further down. In this spring rest tutorial, learn to create REST APIs using Spring boot 2 framework which return JSON responses to client. io, there should be a file called application. Apache Struts. Spring Data JPA and Hibernate (as JPA implementation) will be used to implement the data access layer. Spring Boot Properties. In addition when the reverse proxy terminates the https connection, it may be necessary to configure server. We protected our app against CSRF attack too. Our applications for smoke tests use the spring-boot-starter-parent in the parent section of the POM. In order to look inside the H2 database, we need another dependency spring-boot-starter-web so that Spring instantiates the web server and we can browse the data through the browser. What we're planning to do here is to have the client get the Refresh Token as a cookie. We take an opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss. Let's learn the basics of microservices and microservices architectures. Spring Boot Admin is a web application, used for managing and monitoring Spring Boot applications. Spring Boot Security - Introduction to OAuth Spring Boot OAuth2 Part 1 - Getting The Authorization Code Spring Boot OAuth2 Part 2 - Getting The Access Token And Using it to fetch data. Then in the created project simply add the flowable-spring-boot-starter or flowable-spring-boot-starter-rest dependency. The spring-boot-starter-parent has some common configurations for a Spring Boot application. To get these working with the server, we define a controller with an upload endpoint that will accept multipart form data. However, writing comprehensive and fast unit tests for these APIs has been troublesome. register-once. yml 設定は application. The SERVER_URL should be the URL and port of the Spring Boot server. 5 i use db2 database and created simple rest api using spring boot my server log is as bellow. Also note the namespace declarations at the end of the tag--these are required because the combined "{namespace}localName" syntax is presently not supported for this tag's attribute values. Nowadays, exporting data into different format (Csv, Excel, Pdf ) is a very general requirement in the most of any project. In this tutorial, we will take a look at how we can integrate CXF with Spring Boot in order to build and run a Hello World SOAP service. Spring boot quietly simplifies it, providing all the sugar required, while still not getting in your way, reducing the development time by many-fold, certainly worth giving a try. RESTful authentication using Spring Security on Spring Boot, and jQuery as a web client By codesandnotes_ , In Code , Java , Spring In a previous article, I started touching on some very basic Spring Security-based authentication on top of Spring Boot. When a Spring Boot controller endpoint is hit, Spring Boot finds the appropriate HttpMessageConverter and uses it to convert the incoming request. By adding spring-boot-starter-jdbc module, we get the following auto configuration:. You need Java 8 to run the app because it is Netty-based. The easiest is to provide a set of parameters in the application. This tutorial shows how to secure Spring WS Soap Services using Ws-Security username and password authentication. url); if that admin server goes down, will automatically register against the next admin server. 0 which also configures a broker. Spring Boot Security - Introduction to OAuth Spring Boot OAuth2 Part 1 - Getting The Authorization Code Spring Boot OAuth2 Part 2 - Getting The Access Token And Using it to fetch data. Doesn’t matter if YAML or just property file. Spring Boot の Web アプリ(サーバサイドの Java)から、外部のサービスに接続する方法を書きます。 // 外部サービスの URL. How to properly compare Apache and Tomcat. Related Posts: - How to integrate Http Angularjs & Spring Boot - Spring Web MVC - Spring Form Submission | Spring Boot - Jquery Ajax …. This tutorial shows you how to develop and package a REST service using Spring Data REST, Java Persistence API (JPA) and Apache Tomcat embedded so that it can be deployed on Oracle Application Container Cloud Service. In this tutorial, we will learn how to develop a CRUD (Create, Read, Update, Delete) Web Application using Angular 7 as a front-end and Spring boot 2 restful API as a backend. It uses Tomcat as the default embedded container. Sending HTML email with Spring Boot and Thymeleaf Sending an email from the backend application part is a quite common use case in the world of enterprise applications. We know that DataSource with JNDI is the preferred way to achieve connection pooling and get benefits of container implementations. Spring Boot Properties. Here’s an example to show how to use getResource() to. Properties file. Not as easy as document. Switch to enable auto-deregistration at Spring Boot Admin server when context is closed. Spring boot yml properties example or spring boot yml example. We will be using spring boot 1. In this step, you set up a simple Spring Boot application and ran and deployed your application on App Engine. Consequently, the following application is a config server: ConfigServer. By default SpringApplication will convert any command line option arguments (starting with '-', e. Just add the dependency, when the spring security files are available in the classpath, it will be automatically configured. register-once. This HttpURLConnection class is available since Java 1. In the last part of the series, we looked at setting up Spring Data JPA for database persistence. GraphQL in 3 minutes GraphQL is a query language to retrieve data from a server. Find the description of spring boot starter configured in maven file. The spring-boot-starter-parent is a special starter that provides useful Maven defaults. By adding spring-boot-starter-jdbc module, we get the following auto configuration:. port=8081 Spring Boot embeds an Apache Tomcat application server by default. It is written in Scala and uses Spring Boot and Spring Cloud as the Microservice chassis. In this article, we will list down all drivers and URL formation for all leading databases. Create a directory to hold your server and client. The REST client configuration creates a RestTemplate and leverages the same marshallers that the server uses. Spring Boot starters are a set of convenient dependency descriptors which greatly simplify Maven configuration. Base URL - This is the URL of the developer org that you created. It requires some Spring Boot and Java knowledge and while we give a brief introduction into GraphQL, the focus of this tutorial is on developing a GraphQL server in Java. Whether your keystore contains a self-signed certificate or one issued by a trusted Certificate Authority, we can now set up Spring Boot to accept requests over HTTPS instead of HTTP by using that certificate. jar Once the server starts successfully, open your browser and put the below URL in the address bar and press enter. I spent some time recently working with a plethora of Java microframeworks to determine which one I would like to use for some personal projects that I have been working on. It offers document, push, and pull APIs. We will use the information provided by them to configure connection in our project. In that example we declared username and password in spring-security. zip?type=maven-project{&dependencies,packaging,javaVersion,language,bootVersion,groupId,artifactId. Wiring Microservices with Spring Cloud obtain the load balancer address from the leaderboard. Java IDE Pack. Spring Initializr is a convenient way of generating Spring Boot projects and is managed by spring. If false. Spring Boot application converts the command line properties into Spring Boot Environment properties. we also discuss advantages of application. You can choose whether to push a sample app, your own app, or both. Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Click to share on Tumblr (Opens in new window) Click to share on LinkedIn (Opens in new window). In application. Using TestNG Instead of JUnit. Now you are ready to explore on your own, like creating a SSL connection with just a few lines of codes, build a more complex web application using Spring MVC or any other Java web technology. Spring Boot - Tracing Micro Service Logs - Most developers face difficulty of tracing logs if any issue occurred. In the following exercise we will be modifying the spring-security-samples-boot-insecure application. HttpResponse? How to check if my Tomcat is up and running? Well, below simple Java Program will answer all your mentioned questions. Spring Boot - how do I get the base url of a request. Unfortunately the DiscoveryClient doesn't expose the health- or management-url, so if you're not sticking to the defaults and setting spring. We can configure the database properties in application. Writing a Spring WebFlux server-side logic is virtually the same as writing typical, Spring MVC logic. Configuring production database and fetching data using JdbcTemplate. org is a collection of Java, Java EE, Spring, Spring Boot, Spring MVC, Struts 2, Database, JavaScript, and Pharmacy Tutorials. In this article, We will see Spring boot JNDI datasource Example. x and SERVER_CONTEXT_PATH for Spring Boot 1. Open the start. Wiring Microservices with Spring Cloud obtain the load balancer address from the leaderboard. In Spring, a controller. This feature leads to a number of how-to questions, including how to change the embedded server and how to configure the embedded server. In Maven 3, use Maven Enforcer Plugin's requireMavenVersion rule, or other rules to check other aspects. REST web service will expose methods for create, read, update and delete operation. Spring Boot does several things to enable Redis support for the session management. This annotation, combined with the dependencies and configuration, gives you a fully functional configuration server capable of being notified when a new configuration arrives by way of the /monitor endpoint. Apache CXF - Spring Boot SOAP Web Service Client Server Example 9 minute read Apache CXF is an open source services framework that helps build and develop services using frontend programming APIs, like JAX-WS. Spring Boot includes a number of additional features to help you monitor and manage your application when you push it to production. 1) Change context root from application. Using the shared Access Token the Client Application can now get the required JSON data from the Resource Server; Spring Boot Security - Implementing OAuth2. port:8080} is you are using tomcat (this trick would also work for the server. 0 – for example, Tomcat 8. Response for GET/POST/PUT/DELETE in REST web service Before talking about the details, one thing need to be clarified. It targets both stock JVMs (OpenJDK in the first place) and GraalVM. As we you know RESTFul web service produces multiple representation based on the request from client. This is the 4th part of my tutorial series on building a web application using Spring Boot. Let’s edit the application. How to configure multiple DataSources (Databases) with Spring Boot and Spring Data? Sometimes its our application requirement to deal with multiple databases. The solution presented in this portal and Spring tutorial can be used beyond the usage described WebSphere Filter example. This can be create as follows. Build an API with Spring Boot 2. In this guide, we will build a working app who will create users and authenticate/authorize users and clients in a microservices architecture using Spring Boot, Spring Cloud, and MongoDB. Building an End-to-End Full Stack Polling App including Authentication and Authorization with Spring Boot, Spring Security, JWT, MySQL database, and React. 5 i use db2 database and created simple rest api using spring boot my server log is as bellow. Perhaps it is to do with the NoRedirectStrategy being added to the successhandler, and not to a failurehandler? StackOverflow is full of Spring Boot 302 questions but none of these seem to solve the issue. There are. Spring Boot: Changing/Configuring the Default Embedded Server In this post we take a look at how to set and configure the default embedded web server used in your Spring Boot application. Whether your keystore contains a self-signed certificate or one issued by a trusted Certificate Authority, we can now set up Spring Boot to accept requests over HTTPS instead of HTTP by using that certificate. If the broker is present, an embedded broker is started and configured automatically (as long as no broker URL is specified through configuration). As we you know RESTFul web service produces multiple representation based on the request from client. The spring-boot-starter-web is a starter for building web applications using Spring MVC. port = 2017. If you’re not careful you can end up either with classes not being loaded (with Spring Boot usually because you’ve forgotten some annotations. JdbcTemplate class is auto-configured and we get its object using @Autowire annotation in our class that is annotated with spring stereotypes such as @Component. It is easy to get a normal website. Installing server runtime If you do not have Apache Tomcat on your machine, you will first need to download and unzip Apache Tomcat (this scenario was written using Apache Tomcat version 5. To display the input form, we are going to use tag of spring framework. Command Line Arguments can be used to configure your application, pass data at runtime, or to overwrite default configuration options. In this article, you'll learn how to use WebClient and WebTestClient to consume and test REST APIs. This post shows how to use a MySQL database in a Spring Boot web application, using less code and configurations as possible, with the aim to take full advantage from Spring Boot. The latest Tweets from 日本Springユーザ会 (@japan_spring): "昨晩の勉強会の資料です! 「Reactor Netty & Apache Kafka Stack」 #jsug https://t. profiles =dev. How to develop spring boot application with application. profiles =dev. Easy to useWebSocketWhen usingspring-boot-starter-websocketNo problem, although the routing part is designed with some defects, it does not affect the normal use. Who, in the Java world, has never heard of Spring? It has been one the most popular framework ever in Java, so it was not possible to ignore it in this comparison. We can configure the database properties in application. We can use H2 for development, testing and performance benchmarking. html are sent to the servlet. We will apply login security on hello world example, so when only authorised users will be able to access hello world message. 5 to expose REST APIs and angular5 with routing to build our client that will be consuming the APIs exposed by the server. After making a GET request to a REST service the natural progression is to POST information back to the server. spring-boot-starter-data-jpa: Starter for spring data JPA with hibernate. It is interesting to know that it is simple to setup a web server at home. Spring Boot Embedded ActiveMQ Configuration. This could be useful for those who’s just started with Spring Boot. The following configurations should be made to build this project as the spring-cloud-config-server. 2, head on over to start. Use the named object to get a reference for the remote object and invoke operations on the remote object. This tutorial shows you how to configure spring boot JPA MySQL with an example. Let's learn the basics of microservices and microservices architectures. The Camunda Spring Boot Application created in previous step uses the default and best practice configuration, embedded in a starter. 1) Change context root from application. It favors convention over configuration, is extensible using a plugin architecture, and ships with plugins to support REST, AJAX and JSON. Spring Boot also lets you configure Flyway using environment variables. To take advantage of this, your server needs to set a token in a JavaScript readable session cookie called XSRF-TOKEN on the first HTTP GET request. Not just a normal cookie, but a secured, HTTP-only cookie with a very limited path ( /oauth/token ). [It may print out the URL for your app] Optionally, you can instead purchase and use a top-level domain name for your app, or use one that you have already registered. In this tutorial, we're gonna look at way to build an Angular 4 App Client to upload/get MultipartFile to/from Spring Boot RestApi Server. Build an API with Spring Boot 2. The Spring Cloud Config Server can be accessed directly via host lookup or through the Zuul Proxy. sql , Spring Boot on boot time will pick the file and run in against our database. Not as easy as document. This is a maintenance release which contains bug fixes for a few of the Spring Cloud projects. yml 設定は application. properties to configure the server. spring-boot-examples / spring-boot-2-rest-service-basic / Ranga Karanam and Ranga Karanam Thank You for Choosing to Learn from in28Minutes Latest commit b4b3e3c Sep 17, 2019. It allows you to rapidly develop, test, run and deploy Spring applications. Spring provides a default login page that can be made available by simply turning on a variable in the spring configuration file. By Yashwant Chavan, Views 274538, Last updated on 05-Mar-2019. Over the past few months I have, on several occasions, been asked how to upload a file to SharePoint using nothing more than JavaScript, HTML and the REST API. A common use case would be to use an LDAP server for authentication, Spring supports this as well. Spring MVC: Session advanced. url); if that admin server goes down, will automatically register against the next admin server. Part 5: Integrating Spring Security with Spring Boot Web Justin Spring May 30, 2014 September 21, 2015 10 Minutes Spring Boot provides utilities for quick and easy setup of Spring Security via auto-configuration and Java-based configuration. Uses Tomcat as the default embedded container. Pivotal tc Server formerly known as VMware vFabric tc Server, is now part of the Pivotal portfolio of products. Many techniques and examples are available to consume RESTFul web service, probably you would have tried many but using Spring boot RestTemplate is one of terribly easiest technique I have ever used to consume RESTFul web service. If you are using Spring 2. The JAXRSServerFactoryBean creates a Server inside CXF which starts listening for requests on the URL specified. It uses Tomcat as the default embedded server. properties or the server command line. application. This password can either be in plain text or in a digest. properties can reside anywhere in the classpath of the application. It uses Tomcat as the default. Thus, Spring Boot knows to look for a server configuration. Here is a H2 database example using Hibernate and Spring Boot. Spring Data JPA and Hibernate (as JPA implementation) will be used to implement the data access layer. Click to share on Twitter (Opens in new window) Click to share on Facebook (Opens in new window) Click to share on Tumblr (Opens in new window) Click to share on LinkedIn (Opens in new window). Second, you map the servlet to a URL or URL pattern. java -jar target\spring-boot-rest-. If you've successfully used openConnection() to initiate communications with a URL, then you have a reference to a URLConnection object. With previous posts, we had done 2 important things: fetching data from remote server by Angular HttpClient, and navigate among views by Angular Routing. Organizations are quickly moving towards Microservices architecture & hunting for professionals with Microservices Certification. It requires some Spring Boot and Java knowledge and while we give a brief introduction into GraphQL, the focus of this tutorial is on developing a GraphQL server in Java. Spring Initializr is a convenient way of generating Spring Boot projects and is managed by spring. We will create a couple of microservices and get them to talk to each other using Eureka Naming Server and Ribbon for Client Side Load Balancing. Unfortunately the DiscoveryClient doesn't expose the health- or management-url, so if you're not sticking to the defaults and setting spring. More than 3 years have passed since last update. How to configure multiple DataSources (Databases) with Spring Boot and Spring Data? Sometimes its our application requirement to deal with multiple databases. Now you are ready to explore on your own, like creating a SSL connection with just a few lines of codes, build a more complex web application using Spring MVC or any other Java web technology. The purpose of this blog post is to build a Simple application with thymeleaf and Spring Boot, and learn all the details along the way. If you are working in a Spring Framework projects, you should know very well about how to use SQL databases and Spring Boot for persisting application data. Read on to find out how to do it! The most common approach to specifying a URL is through antMatchers. Reshuffling a large collection is always going to be expensive. Most web applications use the spring-boot-starter-web module to get up and running quickly. properties where profilename is the name of the profile. To generate UUID in Java we can use the java. Our applications for smoke tests use the spring-boot-starter-parent in the parent section of the POM. Thus, Spring Boot knows to look for a server configuration. We will be showing the same example with OAuth2 in the next post Secure REST API using OAuth2. In order to use Swagger in Spring Boot applications I tried Springfox which is not part of Swagger core but it integrates nicely in Spring and supports the core Swagger annotations. In our previous post, we have discussed how to use custom login page instead of default one provided by Spring security. Google App Engine Documentation App Engine is a fully managed, serverless platform for developing and hosting web applications at scale. Microservices Tutorial. Below is some ways for creating the file downloading function:. If you read my previous blog post, you know how to expose metrics in a Spring Boot application using Dropwizard metrics and the Spring Boot Actuator plugin. Apache Camel Quarkus is a set of extensions for Quarkus is a Java platform offering fast boot times and low memory footprint. If you are working in a Spring Framework projects, you should know very well about how to use SQL databases and Spring Boot for persisting application data. This application can as well serve as a base/starting point for your own application. They provide various capabilities including a health check endpoint. This example shows you 2 ways to set Context Path in Spring Boot: by Java Code and by properties file. Consequently, the following application is a config server: ConfigServer. It uses tomcat server as default embedded server. We can start Zipkin server as a spring boot application or run in a docker container. Validate a RESTful web service request in spring posted by Justin Musgrove on 05 December 2014. The nice part is, Spring Boot sets default database properties only when you don’t. properties, we can use the "logging. In application. Copy the app name because it. Spring boot also provides API to change context path programmatically. uri, specifying the URL of our server configuration. getLocalHost() to get the Ip Address of the current Server running the Java app and InetAddress. In Maven 3, use Maven Enforcer Plugin's requireMavenVersion rule, or other rules to check other aspects.