How to manually install libraries(.jars) to local maven repository

If you don't have the JAR in your repository you can however install it.

Command-

mvn install:install-file -Dfile=<path-to-file> -DgroupId=<group-id> -DartifactId=<artifact-id> -Dversion=<version> -Dpackaging=<packaging> -DgeneratePom=true

Where: <path-to-file>  the path to the file to load

       <group-id>      the group that the file should be registered under

       <artifact-id>   the artifact name for the file

       <version>       the version of the file

       <packaging>     the packaging of the file e.g. jar

For example I will use  kaptcha, a popular third party Java library.
 C:\>mvn install:install-file -Dfile=c:\kaptcha-2.3.jar -DgroupId=com.google.code
-DartifactId=kaptcha -Dversion=2.3 -Dpackaging=jar

After installed, just declares the kaptcha coordinate in pom.xml.

  <dependency>
      <groupId>com.google.code</groupId>
      <artifactId>kaptcha</artifactId>
      <version>2.3</version>
 </dependency>