title: Error while compiling main branch
body: <p>I tried to build the git checkout with the command <code>mvn clean package</code>. And I am getting the following error:</p>
  
  <pre><code>19:53:55.473 [main] WARN  o.o.p.u.m.i.AetherBasedResolver - Error resolving artifactio.netty:netty-codec-mqtt:jar:4.1.12.Final-SNAPSHOT:Could not find artifact io.netty:netty-codec-mqtt:jar:4.1.12.Final-SNAPSHOT
  shaded.org.eclipse.aether.resolution.ArtifactResolutionException: Could not find artifact io.netty:netty-codec-mqtt:jar:4.1.12.Final-SNAPSHOT
      at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
      at shaded.org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
  ...
  Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 2.045 sec &lt;&lt;&lt; FAILURE! - in io.netty.osgitests.OsgiBundleTest
  testResolvedBundles(io.netty.osgitests.OsgiBundleTest)  Time elapsed: 1.79 sec  &lt;&lt;&lt; ERROR!
  java.io.IOException: Error resolving artifact io.netty:netty-codec-mqtt:jar:4.1.12.Final-SNAPSHOT: Could not find artifact io.netty:netty-codec-mqtt:jar:4.1.12.Final-SNAPSHOT
  </code></pre>
  
  <p>Please help resolve this error. Thanks !!!</p>