Hi @Luis Size Would you share how did you build NiFi? I used following steps and the ReportLineageToAtlas works without NoClassDefFoundError. # Download NiFi source code wget http://ftp.riken.jp/net/apache/nifi/1.5.0/nifi-1.5.0-source-release.zip # Unzip it and build with Atlas enabled mvn clean install -T 2.0C -Pinclude-atlas -DskipTests BTW, a directory should be set to 'Atlas Configuration Directory' instead of atlas-application.properties, although I doubt this could be the cause of NoClassDefFoundError. ... View more