In this below example will show you create maven java project from console and import to eclipse.
Maven provide maven-archetype-quickstart archetype artifact to create console based java project from command prompt.
Pre-Requisite
- Install and Configure Maven in your machine. Follow link for Maven Configuration in Window and Linux
Go to directory/ workspace where you want to create maven Java project. Below is command to create it.
mvn archetype:generate -DgroupId=com.{group}.app -DartifactId={App Name} -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false
Example :
mvn archetype:generate -DgroupId=com.facingissuesonit.app -DartifactId=test-app -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false
Because we are creating our first project with maven that’s why it will download lots of jars and dependency from maven repository.
C:\Users\facingissuesonit\workspace-sample>mvn archetype:generate -DgroupId=com.facingissuesonit.app -DartifactId=test-app -DarchetypeArtifactId=maven-archetype -quickstart -DinteractiveMode=false [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Maven Stub Project (No POM) 1 [INFO] ------------------------------------------------------------------------ [INFO] [INFO] >>> maven-archetype-plugin:3.0.1:generate (default-cli) > generate-sources @ standalone-pom >>> [INFO] [INFO] <<< maven-archetype-plugin:3.0.1:generate (default-cli) < generate-sources @ standalone-pom <<< [INFO] [INFO] --- maven-archetype-plugin:3.0.1:generate (default-cli) @ standalone-pom --- [INFO] Generating project in Batch mode [WARNING] No archetype found in remote catalog. Defaulting to internal catalog [INFO] ---------------------------------------------------------------------------- [INFO] Using following parameters for creating project from Old (1.x) Archetype: maven-archetype-quickstart:1.0 [INFO] ---------------------------------------------------------------------------- [INFO] Parameter: basedir, Value: C:\Users\facingissuesonit\workspace-sample [INFO] Parameter: package, Value: com.facingissuesonit.app [INFO] Parameter: groupId, Value: com.facingissuesonit.app [INFO] Parameter: artifactId, Value: test-app [INFO] Parameter: packageName, Value: com.facingissuesonit.app [INFO] Parameter: version, Value: 1.0-SNAPSHOT [INFO] project created from Old (1.x) Archetype in dir: C:\Users\facingissuesonit\workspace-sample\test-app [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 24.133 s [INFO] Finished at: 2017-06-06T03:55:59-04:00 [INFO] Final Memory: 14M/148M [INFO] ------------------------------------------------------------------------
Above example command will create project with name test-app in your current directory and will show directory structure as below.
Test-app -src --main ---java ----com -----facingissuesonit ------app -------App.java --test ---java ----com -----facingissuesonit ------app -------AppTest.java -pom.xml
Project pom.xml will have entry as below.
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.facingissuesonit.app</groupId>
<artifactId>test-app</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>test-app</name>
<url>http://maven.apache.org</url>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
Build Project : Go to project directory and run below command to build your project. It will go through all these steps to complete build life cycle as you can see from console logs.
1. validate
2. generate-sources
3. process-sources
4. generate-resources
5. process-resources
6. compile
7. test
mvn package
C:\Users\facingissuesonit\workspace-sample\test-app>mvn package [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building test-app 1.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ test-app --- [WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] skip non existing resourceDirectory C:\Users\facingissuesonit\workspace-sample\test-app\src\main\resources [INFO] [INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ test-app --- [INFO] Changes detected - recompiling the module! [WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent! [INFO] Compiling 1 source file to C:\Users\facingissuesonit\workspace-sample\test-app\target\classes [INFO] [INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ test-app --- [WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent! [INFO] skip non existing resourceDirectory C:\Users\facingissuesonit\workspace-sample\test-app\src\test\resources [INFO] [INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ test-app --- [INFO] Changes detected - recompiling the module! [WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent! [INFO] Compiling 1 source file to C:\Users\facingissuesonit\workspace-sample\test-app\target\test-classes [INFO] [INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ test-app --- [INFO] Surefire report directory: C:\Users\facingissuesonit\workspace-sample\test-app\target\surefire-reports ------------------------------------------------------- T E S T S ------------------------------------------------------- Running com.facingissuesonit.app.AppTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec Results : Tests run: 1, Failures: 0, Errors: 0, Skipped: 0 [INFO] [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ test-app --- [INFO] Building jar: C:\Users\facingissuesonit\workspace-sample\test-app\target\test-app-1.0-SNAPSHOT.jar [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 4.372 s [INFO] Finished at: 2017-06-06T04:07:45-04:00 [INFO] Final Memory: 16M/145M [INFO] ------------------------------------------------------------------------
Now our build is successful. We can use below command in target folder to run test-app project.
C:\Users\facingissuesonit\workspace-sample\test-app\target>java -cp test-app-1.0-SNAPSHOT.jar com.facingissuesonit.app.App Hello World!
Import to Eclipse : To import this project in eclipse first we need to convert this project according to eclipse and then import it.
- Convert to Eclipse Maven Project : Use below command
mvn eclipse:eclipse
C:\Users\facingissuesonit\workspace-sample\test-app>mvn eclipse:eclipse [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building test-app 1.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] >>> maven-eclipse-plugin:2.10:eclipse (default-cli) > generate-resources @ test-app >>> [INFO] [INFO] <<< maven-eclipse-plugin:2.10:eclipse (default-cli) < generate-resources @ test-app <<< [INFO] [INFO] --- maven-eclipse-plugin:2.10:eclipse (default-cli) @ test-app --- [INFO] Using Eclipse Workspace: C:\Users\facingissuesonit\workspace-sample [WARNING] Workspace defines a VM that does not contain a valid jre/lib/rt.jar: C:\Program Files\Java\jre1.8.0_73 [INFO] Adding default classpath container: org.eclipse.jdt.launching.JRE_CONTAINER [INFO] Not writing settings - defaults suffice [INFO] Wrote Eclipse project for "test-app" to C:\Users\facingissuesonit\workspace-sample\test-app. [INFO] [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 2.717 s [INFO] Finished at: 2017-06-06T04:56:14-04:00 [INFO] Final Memory: 12M/114M [INFO] ------------------------------------------------------------------------
Import in Eclipse : Follow below steps to import test-app project in Eclipse
Eclipse File -> Import -> General-> Existing Project in Workspace -> Select Project test-app
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