See <http://lightning.mw.lab.eng.bos.redhat.com/jenkins/job/Undertow/io.undert... Changes: [Tomaz Cerar] JDK7 requirement & few component upgrades ------------------------------------------ projectStarted io.undertow:undertow-parent:1.0.0.Alpha1-SNAPSHOT [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Undertow 1.0.0.Alpha1-SNAPSHOT [INFO] ------------------------------------------------------------------------ mojoStarted org.apache.maven.plugins:maven-enforcer-plugin:1.2(enforce-java-version) [INFO] [INFO] --- maven-enforcer-plugin:1.2:enforce (enforce-java-version) @ undertow-parent --- [WARNING] Rule 0: org.apache.maven.plugins.enforcer.RequireJavaVersion failed with message: To build this project JDK 1.7 (or greater) is required. Please install it. mojoFailed org.apache.maven.plugins:maven-enforcer-plugin:1.2(enforce-java-version) projectFailed io.undertow:undertow-parent:1.0.0.Alpha1-SNAPSHOT