The new Liferay IDE plugin version 2.2.0 GA1 in not compatible with tern 0.6 but with 0.7 ----------------------------------------------------------------------------------------- Key: JBDS-3205 URL: https://issues.jboss.org/browse/JBDS-3205 Project: Developer Studio (JBoss Developer Studio) Issue Type: Bug Components: 3rd-party-dependencies Affects Versions: 8.0.0.GA Reporter: Samuel Hayoz Cannot complete the install because of a conflicting dependency. Software being installed: Liferay IDE 2.2.0.201410291007-ga1 (com.liferay.ide.eclipse.tools.feature.group 2.2.0.201410291007-ga1) Software currently installed: JBoss Developer Studio (Branded Product) 8.0.0.GA-v20141020-1042-B317 (com.jboss.devstudio.core.package 8.0.0.GA-v20141020-1042-B317) Only one of the following can be installed at once: Tern - Eclipse - Core IDE 0.7.0.201410280110 (tern.eclipse.ide.core 0.7.0.201410280110) Tern - Eclipse - Core IDE 0.6.0.201409231610 (tern.eclipse.ide.core 0.6.0.201409231610)