[ https://issues.redhat.com/browse/JBIDE-27245?page=com.atlassian.jira.plug... ] MARCOS DONATO updated JBIDE-27245: ---------------------------------- Steps to Reproduce: have an pre-installed jboss eap 6.4 have an pre-installed eclipse IDE (tested with 2020-03) have installed jboss tools plugin from marketplace (tested with 4.14) open a workspace create the server with enviroment pointing to preview jboss installation start jboss (must run without failure) stop jboss close eclipse add a new module to jboss installation add two slots to module, one called "main" and another called "alternative" in "alternative" slot, add resources and depencencies to module.xml in "main" slot, set module.xml to use module-alias pointing to slot "alternative" start eclipse (on startup process several errors occurs pointing to StackOverflowException, see eclipse logs) Edit:: - Create / use an enterprise projetct with an ejb-module, web-module and an ear project. - Reference jboss module on MANIFES.MF on both (ear / war projects) If you referer same module on both "MF" files you will get failure. If remove from "war" and restart eclipse, it starts up ok. Regards was: have an pre-installed jboss eap 6.4 have an pre-installed eclipse IDE (tested with 2020-03) have installed jboss tools plugin from marketplace (tested with 4.14) open a workspace create the server with enviroment pointing to preview jboss installation start jboss (must run without failure) stop jboss close eclipse add a new module to jboss installation add two slots to module, one called "main" and another called "alternative" in "alternative" slot, add resources and depencencies to module.xml in "main" slot, set module.xml to use module-alias pointing to slot "alternative" start eclipse (on startup process several errors occurs pointing to StackOverflowException, see eclipse logs) -- This message was sent by Atlassian Jira (v7.13.8#713008)