Create the Java 1.8 or jBoss EAP stack with sample application Open the IDE, run the command `kitchensink-example:build and run in debug` Connect the remote debug, open the MemberListProducer.java file and set breakpoint on the 30 line Click on the preview url of the running application After highlight breakpoint try to use: Step Into , Step Over , Step Out commands Expected behavior: should be display the highlight breakpoint in the invoked java classes (screenshots are made from the CRW version 1.1, there it works as expected) Observed behavior: the highlight breakpoint is absent there is: Failed to get sources. Instead, stub sources have been generated by the disassembler. Implementation of methods is unavailable. Related E2E 'userstory' tests: JavaUserStoryTest , JBossEapUserStoryTest