When Wildfly starts in debug mode occurs ClassNotFoundException with org.jboss.modules.Main ------------------------------------------------------------------------------------------- Key: JBIDE-19854 URL: https://issues.jboss.org/browse/JBIDE-19854 Project: Tools (JBoss Tools) Issue Type: Bug Components: server Environment: OS: Windows 8.1; Intel Core i3 540 3.07Ghz; 4GB DDR3 1333Mhz; Java Version 1.7.0_75; Reporter: Giancarlo giulian Labels: classnotfound, debug, debugging, jboss, main, wildfly Fix For: 4.3.x Attachments: image2.png, image3.png, imagem1.png This problem has recently begun, before that is it working in debug mode. Errors log are not created and doesn't appear in console output using Eclipse Luna. Program Arguments: {quote} -mp "C:/wildfly-8.1/modules" -jaxpmodule javax.xml.jaxp-provider org.jboss.as.standalone -b localhost --server-config=standalone.xml -Djboss.server.base.dir=C:\wildfly-8.1\standalone {quote} VM Arguments: {quote} "-Dprogram.name=JBossTools: WildFly 8.1" -server -Xms64m -Xmx512m -XX:MaxPermSize=256m -Dorg.jboss.resolver.warning=true -Djava.net.preferIPv4Stack=true -Dsun.rmi.dgc.client.gcInterval=3600000 -Dsun.rmi.dgc.server.gcInterval=3600000 -Djboss.modules.system.pkgs=org.jboss.byteman -Djava.awt.headless=true "-Dorg.jboss.boot.log.file=C:/wildfly-8.1/standalone/log/boot.log" "-Dlogging.configuration=file:/C:/wildfly-8.1/standalone/configuration/logging.properties" "-Djboss.home.dir=C:/wildfly-8.1" -Dorg.jboss.logmanager.nocolor=true -Djboss.bind.address.management=localhost {quote} Images: https://www.dropbox.com/s/g0hdwh1tz543q1p/imagem1.png https://www.dropbox.com/s/ivpnd3ggaprtl2v/image2.png