Tomee 7.0.2 uses tomcat 8.5.6 i think not 8.0.5. Also check your libs, seems you conflict with spec jars.
Le 13 déc. 2017 20:03, "awmurray" <alan.murra...@lexisnexis.com> a écrit : I downgraded my Rest Easy from 3.0.4.Final to 2.3.6.Final (which I was using with an older version of TomEE) and the Instance Manager isn't null now. It has a type of org.apache.tomee.catalina.JavaeeInstanceManager now and I got past that error. -- Sent from: http://tomee-openejb.979440.n4.nabble.com/TomEE-Users- f979441.html
