Apache Maven is a nice tool for software project management, provides new way for developer to develop/manage/build/deploy the project artifact with help of project object model (POM) deployment descriptor file.
Requirement: I'm running this example in:
Operating System > Windows 7
Java > Java version: 1.7.0_25
Maven > Apache Maven 3.2.1
For more details see the Apache Maven
Apache Maven 3.3.9 installation
Note: Assumption you have install the java and maven.
Open the command prompt, you will get similar info
C:\>mvn --version
Apache Maven 3.2.1 (ea8b2b07643dbb1b84b6d16e1f08391b666bc1e9; 2014-02-14T17:37:52+00:00)
Maven home: C:\apache-maven-3.2.1\bin\..
Java version: 1.7.0_25, vendor: Oracle Corporation
Java home: C:\java1.7\jdk1.7.0_25\jre
Default locale: en_GB, platform encoding: Cp1252
OS name: "windows 7", version: "6.1", arch: "x86", family: "windows"
Creating the project:
Open the cmd prompt and type the as below:
C:\>mvn archetype:generate -DgroupId=com.tutorialbyexample -DartifactId=tutorialbyexample-app -DarchetypeArtifactId=maven-archetype-quickstart -Dinte
ractiveMode=false
[INFO] Scanning for projects...
[INFO]
[INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> maven-archetype-plugin:2.2:generate (default-cli) @ standalone-pom >>>
[INFO]
[INFO] <<< maven-archetype-plugin:2.2:generate (default-cli) @ standalone-pom <<<
[INFO]
[INFO] --- maven-archetype-plugin:2.2:generate (default-cli) @ standalone-pom ---
[INFO] Generating project in Batch mode
[INFO] ----------------------------------------------------------------------------
[INFO] Using following parameters for creating project from Old (1.x) Archetype: maven-archetype-quickstart:1.0
[INFO] ----------------------------------------------------------------------------
[INFO] Parameter: groupId, Value: com.tutorialbyexample
[INFO] Parameter: packageName, Value: com.tutorialbyexample
[INFO] Parameter: package, Value: com.tutorialbyexample
[INFO] Parameter: artifactId, Value: tutorialbyexample-app
[INFO] Parameter: basedir, Value: C:\
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] project created from Old (1.x) Archetype in dir: C:\tutorialbyexample-app
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 24.770 s
[INFO] Finished at: 2015-03-09T11:21:57+00:00
[INFO] Final Memory: 9M/25M
[INFO] ------------------------------------------------------------------------
tutorialbyexample-app
|-- pom.xml
`-- src
|-- main
| `-- java
| `-- com
| `-- tutorialbyexample
| `-- App.java
`-- test
| `-- java
| `-- com
| `-- tutorialbyexample
| `-- AppTest.java
pom.xml
<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.tutorialbyexample</groupId>
<artifactId>tutorialbyexample-app</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>tutorialbyexample-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>
App.java:
package com.tutorialbyexample;
/**
* Hello world!
*
*/
public class App
{
public static void main( String[] args )
{
System.out.println( "Hello World!" );
}
}
package com.tutorialbyexample;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Unit test for simple App.
*/
public class AppTest
extends TestCase
{
/**
* Create the test case
*
* @param testName name of the test case
*/
public AppTest( String testName )
{
super( testName );
}
/**
* @return the suite of tests being tested
*/
public static Test suite()
{
return new TestSuite( AppTest.class );
}
/**
* Rigourous Test :-)
*/
public void testApp()
{
assertTrue( true );
}
}
It will build the jar file along with all dependency:
C:\>cd tutorialbyexample-app
C:\tutorialbyexample-app>mvn package
[INFO] Scanning for projects...
[INFO]
[INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building tutorialbyexample-app 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ tutorialbyexample-app ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory C:\tutorialbyexample-app\src\main\resources
[INFO]
[INFO] --- maven-compiler-plugin:2.5.1:compile (default-compile) @ tutorialbyexample-app ---
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[INFO] Compiling 1 source file to C:\tutorialbyexample-app\target\classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ tutorialbyexample-app ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources, i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory C:\tutorialbyexample-app\src\test\resources
[INFO]
[INFO] --- maven-compiler-plugin:2.5.1:testCompile (default-testCompile) @ tutorialbyexample-app ---
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. build is platform dependent!
[INFO] Compiling 1 source file to C:\tutorialbyexample-app\target\test-classes
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ tutorialbyexample-app ---
[INFO] Surefire report directory: C:\tutorialbyexample-app\target\surefire-reports
Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/surefire/surefire-junit3/2.12.4/surefire-junit3-2.12.4.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/maven/surefire/surefire-junit3/2.12.4/surefire-junit3-2.12.4.pom (2 KB at 4.7 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/surefire/surefire-providers/2.12.4/surefire-providers-2.12.4.pom
Downloaded: http://repo.maven.apache.org/maven2/org/apache/maven/surefire/surefire-providers/2.12.4/surefire-providers-2.12.4.pom (3 KB at 23.4 KB/se
c)
Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/surefire/surefire-junit3/2.12.4/surefire-junit3-2.12.4.jar
Downloaded: http://repo.maven.apache.org/maven2/org/apache/maven/surefire/surefire-junit3/2.12.4/surefire-junit3-2.12.4.jar (26 KB at 59.0 KB/sec)
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running com.tutorialbyexample.AppTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 sec
Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
[INFO]
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ tutorialbyexample-app ---
[INFO] Building jar: C:\tutorialbyexample-app\target\tutorialbyexample-app-1.0-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 11.454 s
[INFO] Finished at: 2015-03-09T11:29:49+00:00
[INFO] Final Memory: 11M/26M
[INFO] ------------------------------------------------------------------------
'cmd' is not recognized as an internal or external command,
operable program or batch file.
C:\tutorialbyexample-app>
Run it:
C:\tutorialbyexample-app>java -cp target/tutorialbyexample-app-1.0-SNAPSHOT.jar com.tutorialbyexample.App
Hello World!
All about the simple project creation in Maven.
Issue:
C:\>mvn archetype:generate -DgroupId=com.tutorialbyexample -DartifactId=tutorialbyexample-app -DarchetypeArtifactId=maven-archetype-quickstart -Dinte
ractiveMode=false
[INFO] Scanning for projects...
[INFO]
[INFO] Using the builder org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder with a thread count of 1
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] >>> maven-archetype-plugin:2.2:generate (default-cli) @ standalone-pom >>>
[INFO]
[INFO] <<< maven-archetype-plugin:2.2:generate (default-cli) @ standalone-pom <<<
[INFO]
[INFO] --- maven-archetype-plugin:2.2:generate (default-cli) @ standalone-pom ---
[INFO] Generating project in Batch mode
[INFO] ----------------------------------------------------------------------------
[INFO] Using following parameters for creating project from Old (1.x) Archetype: maven-archetype-quickstart:1.0
[INFO] ----------------------------------------------------------------------------
[INFO] Parameter: groupId, Value: com.tutorialbyexample
[INFO] Parameter: packageName, Value: com.tutorialbyexample
[INFO] Parameter: package, Value: com.tutorialbyexample
[INFO] Parameter: artifactId, Value: tutorialbyexample-app
[INFO] Parameter: basedir, Value: C:\
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 24.818 s
[INFO] Finished at: 2015-03-09T11:16:26+00:00
[INFO] Final Memory: 9M/25M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-archetype-plugin:2.2:generate (default-cli) on project standalone-pom: Directory tutori
albyexample-app already exists - please run from a clean directory -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
'cmd' is not recognized as an internal or external command,
operable program or batch file.
C:\>
Solution: Add the below line like wise in your settings.xml located under \apache-maven-3.2.1\conf
<!-- proxies
| This is a list of proxies which can be used on this machine to connect to the network.
| Unless otherwise specified (by system property or command-line switch), the first proxy
| specification in this list marked as active will be used.
|-->
<proxies>
<proxy>
<id>myproxy</id>
<active>true</active>
<protocol>http</protocol>
<host>proxyhost</host>
<port>proxy_port_8080</port>
<username>your_user_name_if_any</username>
<password>Password_if_any</password>
<nonProxyHosts>*.google.com|ibiblio.org</nonProxyHosts>
</proxy>
</proxies>
Please provide your input if any.
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