[ https://issues.jboss.org/browse/JBIDE-16689?page=com.atlassian.jira.plugi... ] Edoardo Barolo commented on JBIDE-16689: ---------------------------------------- This is a JAVA file. It happens often. Eclipse exit!! Save workspace than it sudden exits. To reproduce use any java project using interfaces e interfaces implementations. Im using jboss development studio and NOT a eclipse with jboss tools.... the problem is Unexpected runtime error while computing a text hover -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira