Adding maven nexus repo to my pom xml

Question

I have installed nexus on my local machine  I want my pom file to point to this repo  How can I add my custom repository to my pom xml file

User · Accepted Answer

From Maven - Settings Reference

The repositories for download and deployment are defined by the repositories and distributionManagement elements of the POM. However, certain settings such as username and password should not be distributed along with the pom.xml. This type of information should exist on the build server in the settings.xml.

<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
                  http://maven.apache.org/xsd/settings-1.0.0.xsd">
  ...
  <servers>
    <server>
      <id>server001</id>
      <username>my_login</username>
      <password>my_password</password>
      <privateKey>${user.home}/.ssh/id_dsa</privateKey>
      <passphrase>some_passphrase</passphrase>
      <filePermissions>664</filePermissions>
      <directoryPermissions>775</directoryPermissions>
      <configuration></configuration>
    </server>
  </servers>
  ...
</settings>

id: This is the ID of the server (not of the user to login as) that matches the id element of the repository/mirror that Maven tries to connect to.

username, password: These elements appear as a pair denoting the login and password required to authenticate to this server.

privateKey, passphrase: Like the previous two elements, this pair specifies a path to a private key (default is ${user.home}/.ssh/id_dsa) and a passphrase, if required. The passphrase and password elements may be externalized in the future, but for now they must be set plain-text in the settings.xml file.

filePermissions, directoryPermissions: When a repository file or directory is created on deployment, these are the permissions to use. The legal values of each is a three digit number corrosponding to *nix file permissions, ie. 664, or 775.

Note: If you use a private key to login to the server, make sure you omit the element. Otherwise, the key will be ignored.

All you should need is the id, username and password

The id and URL should be defined in your pom.xml like this:

<repositories>
    ...
    <repository>
        <id>acme-nexus-releases</id>
        <name>acme nexus</name>
        <url>https://nexus.acme.net/content/repositories/releases</url>
    </repository>
    ...
</repositories>

If you need a username and password to your server, you should encrypt it. Maven Password Encryption

User · Answer

It seems the answers here do not support an enterprise use case where a Nexus server has multiple users and has project-based isolation  protection  based on user id ALONG with using an automated build  CI  system like Jenkins  You would not be able to create a settings xml file to satisfy the different user ids needed for different projects  I am not sure how to solve this  except by opening Nexus up to anonymous access for reading repositories  unless the projects could store a project-specific generic user id in their pom xml

User · Answer

First of all I can highly recommend reading the Nexus book  It will explain the benefits of using a Maven repository manager   There is a section on how to configure your Maven build to use Nexus    http   www sonatype com books nexus-book reference config html   This leads me to question why you altering your POM file  I suspect what you really want to do is setup Nexus as a remote repository mirror  This is done in your Maven settings file    The following tells Maven use Nexus as your default repository  Instead of Maven Central      lt settings gt               lt mirrors gt       lt mirror gt         lt id gt nexus lt  id gt         lt url gt http   localhost 8081 nexus content groups public lt  url gt         lt mirrorOf gt central lt  mirrorOf gt       lt  mirror gt     lt  mirrors gt    This is desired behaviour since your Nexus repository is configured to cache artifacts retrieved from Central  which is good for build performance    Note    The  public  repository group could include other repositories proxied by your Nexus instance  Not just Maven Central   You probabily want this behaviour  as it centralizes all repository management  It just makes your build less portable for people outside of your organization

User · Answer

From maven setting reference  you can not put your username password in a pom xml     The repositories for download and deployment are defined by the repositories and distributionManagement elements of the POM  However  certain settings such as username and password should not be distributed along with the pom xml  This type of information should exist on the build server in the settings xml    You can first add a repository in your pom and then add the username password in the  MAVEN HOME conf settings xml        lt servers gt       lt server gt           lt id gt my-internal-site lt  id gt           lt username gt yourUsername lt  username gt           lt password gt yourPassword lt  password gt       lt  server gt     lt  servers gt

User · Answer

If you don t want or you cannot modify the settings xml file  you can create a new one in your root project  and call maven passing it as a parameter with the -s parameter     mvn COMMAND     -s settings xml

User · Answer

From the Apache Maven site     lt project gt           lt repositories gt       lt repository gt         lt id gt my-internal-site lt  id gt         lt url gt http   myserver repo lt  url gt       lt  repository gt     lt  repositories gt         lt  project gt     The repositories for download and deployment are defined by the repositories and distributionManagement elements of the POM  However  certain settings such as username and password should not be distributed along with the pom xml  This type of information should exist on the build server in the settings xml   - Apache Maven site - settings reference   lt servers gt       lt server gt           lt id gt server001 lt  id gt           lt username gt my login lt  username gt           lt password gt my password lt  password gt           lt privateKey gt   user home   ssh id dsa lt  privateKey gt           lt passphrase gt some passphrase lt  passphrase gt           lt filePermissions gt 664 lt  filePermissions gt           lt directoryPermissions gt 775 lt  directoryPermissions gt           lt configuration gt  lt  configuration gt       lt  server gt   lt  servers gt

[maven] Adding maven nexus repo to my pom.xml

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