title: org.sonar.api.utils.SonarException: Validation of project reactor failed
body: <p>I am trying to set up SonarQube with a gradle project.</p>
  
  <p>I have started a local Sonar process: </p>
  
  <pre><code>C:\Dev\Sonar\sonar-3.7\bin\windows-x86-64&gt;StartSonar.bat
  wrapper  | --&gt; Wrapper Started as Console
  wrapper  | Launching a JVM...
  jvm 1    | Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org
  jvm 1    |   Copyright 1999-2006 Tanuki Software, Inc.  All Rights Reserved.
  jvm 1    |
  jvm 1    | 2013-08-15 15:44:56.847:INFO:oejs.Server:jetty-7.6.11.v20130520
  jvm 1    | JRuby limited openssl loaded. http://jruby.org/openssl
  jvm 1    | gem install jruby-openssl for full support.
  jvm 1    | 2013-08-15 15:45:27.198:INFO:oejsh.ContextHandler:started o.e.j.w.Web
  AppContext{/,file:/C:/Dev/Sonar/sonar-3.7/war/sonar-server/},file:/C:/Dev/Sonar/
  sonar-3.7/war/sonar-server
  jvm 1    | 2013-08-15 15:45:27.261:INFO:oejs.AbstractConnector:Started SelectCha
  nnelConnector@0.0.0.0:9000
  </code></pre>
  
  <p>I have applied the Sonar Plugin: <code>apply plugin: "sonar-runner"</code></p>
  
  <p>When I execute the Gradle Sonar task, I seeing this error:</p>
  
  <pre><code>gradle sonarRunner
  </code></pre>
  
  <p>...</p>
  
  <pre><code>* What went wrong:
  Execution failed for task ':shared:sonarRunner'.
  &gt; org.sonar.api.utils.SonarException: Validation of project reactor failed:
    o root[mod_EricFrancis2]:shared is not a valid project or module key
  </code></pre>
  
  <p>Does anyone have any ideas on how to fix this error? Could it be a memory issue?</p>