java - why sonar:sonar needs mvn install before? -

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official documentation http://docs.sonarqube.org/display/sonar/analyzing+with+maven says proper way of invoking sonar is:

mvn clean install -dskiptests=true mvn sonar:sonar

but doesn't why. how sonar work? need compiled classes? why not mvn clean compile? or need jar file? why not mvn clean package? sonar plugin?

you can run sonarqube part of single maven command if meet requirements:

  • as mithfindel mentions, sonarqube plugins need analyze .class files. , if run unit tests outside of sonarqube, of course testing plugins must read output test phase.
  • got integration tests? need run after integration-test phase.
  • if want run sonarqube true quality gate absolutely must run before deploy phase.

one solution attach sonarqube run after package phase. can full build simple clean install or clean deploy. people not because sonarqube time-consuming, incremental mode added in 4.0 , improved in upcoming 4.2 solves this.

as far official documentation goes, it's lot easier "build , run sonar:sonar" say, "open pom, add build element sonar-maven-plugin, attach verify, etc".

one caveat. sonarqube requires java 6, if you're building against jdk 1.5 (still common in large organizations), analysis have happen in separate maven invocation newer jdk selected. solved issue custom maven build wrapper.


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