From the first glance CordovaSim's update site is obsolete *Latest Build: 4.2.0-SNAPSHOT (Beta3-v20140722-1948-B198)*

Cordovasim run option not available for project created with Thym ------------------------------------------------------------------ Key: JBIDE-18279 URL: https://issues.jboss.org/browse/JBIDE-18279 Project: Tools (JBoss Tools) Issue Type: Bug Components: aerogear-hybrid, browsersim Environment: Hybrid Mobile Application Development Tools 0.1.0.201408271516 org.eclipse.thym.feature.feature.group Eclipse.org - Thym JBoss Tools Apache Cordova Simulator 3.5.100.Beta3-v20140717-1903-B49 org.jboss.tools.vpe.cordovasim.feature.feature.group JBoss by Red Hat Reporter: Sebastien Blanc Assignee: Ilya Buziuk Fix For: 4.2.0.CR1 Hi, I have installed Eclipse Thym using http://download.eclipse.org/thym/snapshots and CordovaSim using http://download.jboss.org/jbosstools/updates/development/luna/ After I create a hybrid project I should be able to run it on CordovaSim but the option is not available. If I add manually CordovaSim using "run as . Run configurations ..." I got an exception. More log can be found here https://gist.github.com/sebastienblanc/03def2f21e2d119099ff