[Users] ovirt engine source

Is there source of ovirt engine that stable ? I was able to compile master of git source but after some changes it seems to be broken. I ge this error when it comes to compile webadmin [ERROR] Failed to execute goal org.codehaus.mojo:gwt-maven-plugin:2.5.1:compile (gwtcompile) on project webadmin: Command [[ [ERROR] /bin/sh -c /usr/lib/jvm/java-7-openjdk/jre/bin/java -javaagent:/root/.m2/repository/org/aspectj/aspectjweaver/1.6.11/aspectjweaver-1.6.11.jar -Xms1024M -Xmx4096M -XX:PermSize=512M -XX:MaxPermSize=1024M \ [ERROR] -Dgwt.jjs.permutationWorkerFactory=com.google.gwt.dev.ThreadedPermutationWorkerFactory \