List all of the possible goals in Maven 2

Question

I m new to Maven  coming from the Ant world   Is it possible to list all of the possible goals  including  say  all the plugins  that you can run   I can see that there used to be a -g flag in Maven 1  but this isn t available in version 2

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A Build Lifecycle is Made Up of Phases  Each of these build lifecycles is defined by a different list of build phases  wherein a build phase represents a stage in the lifecycle   For example  the default lifecycle comprises of the following phases  for a complete list of the lifecycle phases  refer to the Lifecycle Reference     validate - validate the project is correct and all necessary information is available  compile - compile the source code of the project  test - test the compiled source code using a suitable unit testing framework  These tests should not require the code be packaged or deployed  package - take the compiled code and package it in its distributable format  such as a JAR  verify - run any checks on results of integration tests to ensure quality criteria are met    install - install the package into the local repository  for use as a dependency in other projects locally  deploy - done in the build environment  copies the final package to the remote repository for sharing with other developers and projects    These lifecycle phases  plus the other lifecycle phases not shown here  are executed sequentially to complete the default lifecycle  Given the lifecycle phases above  this means that when the default lifecycle is used  Maven will first validate the project  then will try to compile the sources  run those against the tests  package the binaries  e g  jar   run integration tests against that package  verify the integration tests  install the verified package to the local repository  then deploy the installed package to a remote repository   Source  https   maven apache org guides introduction introduction-to-the-lifecycle html

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Lets make it very simple   Maven Lifecycles  1  Clean 2  Default  build  3  Site  Maven Phases of the Default Lifecycle  1  Validate 2  Compile 3  Test 4  Package 5  Verify 6  Install 7  Deploy  Note  Don t mix or get confused with maven goals with maven lifecycle   See Maven Build Lifecycle Basics1

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If you use IntelliJ IDEA you can browse all maven goals tasks  including plugins  in Maven Projects tab

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Is it possible to list all of the possible goals  including  say  all the plugins  that it is possible to run    Maven doesn t have anything built-in for that  although the list of phases is finite  the list of plugin goals isn t since the list of plugins isn t    But you can make things easier and leverage the power of  bash completion  using cygwin if you re under Windows  as described in the Guide to Maven 2 x auto completion using BASH  but before to choose the script from this guide  read further    To get things working  first follow this guide to setup bash completion on your computer  Then  it s time to get a script for Maven2 and     While you could use the one from the mini guide  While you use an improved version attached to MNG-3928 While you could use a random scripts found around the net  see the resources if you re curious  I personally use the Bash Completion script from Ludovic Claude s PPA  which is   bundled into the packaged version of maven in Ubuntu  that you can download from the HEAD  It s simply the best one    Below  here is what I get just to illustrate the result      mvn  tab  tab  Display all 377 possibilities   y or n  ant ant  ant clean  ant help  antrun help  antrun run  archetype crawl  archetype create  archetype create-from-project  archetype generate  archetype help  assembly assembly  assembly directory  assembly directory-single  assembly help  assembly single          Of course  I never browse the 377 possibilities  I use completion  But this gives you an idea about the size of  a  list      Resources   Guide to Maven 2 x auto completion using BASH Fixing Maven 2 x BASH auto completion on CYGWIN  Maven bash completion  maven2 bash completion complete Maven Tab Auto Completion in Bash  Advanced Bash completion script for Maven 2

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Strange nobody listed an actual command to do it  mvn help describe -e -Dplugin site  If you want to list all goals of the site plugin  Output   Name  Apache Maven Site Plugin Description  The Maven Site Plugin is a plugin that generates a site for the   current project  Group Id  org apache maven plugins Artifact Id  maven-site-plugin Version  3 7 1 Goal Prefix  site This plugin has 9 goals  site attach-descriptor   Description  Adds the site descriptor  site xml  to the list of files to be installed deployed  For Maven-2 x this is enabled by default only when the project has pom packaging since it will be used by modules inheriting  but this can be enabled for other projects packaging if needed  This default execution has been removed from the built-in lifecycle of Maven 3 x for pom-projects  Users that actually use those projects to provide a common site descriptor for sub modules will need to explicitly define this goal execution to restore the intended behavior  site deploy   Description  Deploys the generated site using wagon supported protocols to the site URL specified in the  section of the POM  For scp protocol  the website files are packaged by wagon into zip archive  then the archive is transfered to the remote host  next it is un-archived which is much faster than making a file by file copy  site effective-site   Description  Displays the effective site descriptor as an XML for this build  after inheritance and interpolation of site xml  for the first locale  site help   Description  Display help information on maven-site-plugin  Call mvn site help -Ddetail true -Dgoal  to display parameter details  site jar   Description  Bundles the site output into a JAR so that it can be deployed to a repository  site run   Description  Starts the site up  rendering documents as requested for faster editing  It uses Jetty as the web server  site site   Description  Generates the site for a single project  Note that links between module sites in a multi module build will not work  since local build directory structure doesn t match deployed site  site stage   Description  Deploys the generated site to a local staging or mock directory based on the site URL specified in the  section of the POM  It can be used to test that links between module sites in a multi-module build work  This goal requires the site to already have been generated using the site goal  such as by calling mvn site  site stage-deploy   Description  Deploys the generated site to a staging or mock URL to the site URL specified in the  section of the POM  using wagon supported protocols For more information  run  mvn help describe       -Ddetail   More details on https   mkyong com maven how-to-display-maven-plugin-goals-and-parameters

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The goal you indicate in the command line is linked to the lifecycle of Maven  For example  the build lifecycle  you also have the clean and site lifecycles which are different  is composed of the following phases    validate  validate the project is correct and all necessary information is available  compile  compile the source code of the project  test  test the compiled source code using a suitable unit testing framework  These tests should not require the code be packaged or deployed  package  take the compiled code and package it in its distributable format  such as a JAR  integration-test  process and deploy the package if necessary into an environment where integration tests can be run  verify  run any checks to verify the package is valid and meets quality criteria install  install the package into the local repository  for use as a dependency in other projects locally  deploy  done in an integration or release environment  copies the final package to the remote repository for sharing with other developers and projects    You can find the list of  core  plugins here  but there are plenty of others plugins  such as the codehaus ones  here

[java] List all of the possible goals in Maven 2?

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