title: maven build goal need to specify
body: <p>I have extracted a sample Struts 2 project and it has the maven pom.xml file. I already installed the m2e plugin for eclipse. But when I right click the pom.xml file and select Maven Build it gives me the below error.</p>
  
  <blockquote>
    <p>No goals have been specified for this build. You must specify a valid
    lifecycle phase or a goal in the format : or
    :[:]:.
    Available lifecycle phases are: validate, initialize,
    generate-sources, process-sources, generate-resources,
    process-resources, compile, process-classes, generate-test-sources,
    process-test-sources, generate-test-resources, process-test-resources,
    test-compile, process-test-classes, test, prepare-package, package,
    pre-integration-test, integration-test, post-integration-test, verify,
    install, deploy, pre-site, site, post-site, site-deploy, pre-clean,
    clean, post-clean. -> [Help 1]</p>
  </blockquote>
  
  <p>What is the goal I need to specify in the m2e window when I click on Maven build?</p>