Can't create Hibernate mapping files with JBoss 4.2.3 and Eclipse Luna ---------------------------------------------------------------------- Key: JBIDE-20691 URL: https://issues.jboss.org/browse/JBIDE-20691 Project: Tools (JBoss Tools) Issue Type: Bug Components: hibernate Environment: MAC, Java EE Eclipse Luna (4.4.0), JBoss Tools 4.2.3, JDK 1.8 Reporter: Dian Jiao Assignee: Koen Aers Fix For: 4.3.0.Beta2 I installed JBoss Tools 4.2.3 from Marketspace in Eclipse 4.2.3. When I tried to generate a mapping file, I got the NullPointerException. "Problems occurred when invoking code from plug-in: "org.eclipse.jface"."