title: SonarQube7.0 : Two modules have the same id: ''. Each module must have a unique id
body: <p>I am not using any module sin my sonarqube setup, there are no projects created yet. When I start sonarqube for the first time using ant sonar .I got the error :</p>
  
  <p>Two modules have the same id: ''. Each module must have a unique id.</p>
  
  <p>I am using below configuration :</p>
  
  <pre><code>sonar.jdbc.url=http\://localhost\:9000
  sonar.projectKey=org.mycompany.myproject
  sonar.projectName=My Project
  sonar.projectVersion=1.0
  #Properties
  #Mon Apr 16 12:51:32 IST 2018
  sonar.dynamicAnalysis=reuseReports
  sonar.jacoco.reportPaths=${jacoco.base.dir}/reports/jacoco.exec
  jacoco.lib.loc=${jacoco.base.dir}/agent
  sonar.sources=src
  sonar.language=java
  standalone.javaoptions=-javaagent:${jacoco.lib.loc}/jacocoagent.jar=destfile=${sonar.jacoco.reportPaths},append=true,excludes=com.google.*:com.sun.*:de.hybris.platform.* 
  sonar.test.exclusions=**/testsrc/
  jacoco.base.dir=C\:\\Test\\hybris\\data\\jacoco
  sonar.binaries=classes
  sonar.inclusions=**/*test*
  sonar.tests=testsrc
  sonar.java.coveragePlugin=jacoco
  </code></pre>