Multi module project analysis with SonarQube

try this:

sonar.projectKey=org.mycompany.acc
sonar.projectName=Account
sonar.projectVersion=1.0

sonar.sources=src # try to remove this by the way if you don't have suchdirectory under root folder of project

sonar.modules=invoice,receipt

invoice.sonar.projectName=Invoice
invoice.sonar.sources=invoice/src
receipt.sonar.projectName=Receipt
receipt.sonar.sources=receipt/src