Changes done to OpenShift application are thrown away when debugging is enabled

ASSERT: Have an OpenShift 3 connection. EXEC: Create a new project under the connection. EXEC: Create a new application based on EAP 6.4 base S2I template using kitchensink as a CONTEXT_DIR param. EXEC: Wait till application pod is running. ASSERT: Application is running and kitchensink is imported to workspace. EXEC: Create a new server adapter for OpenShift application. ASSERT: There is a started server adapter for the OpenShift application and workspace project kitchensink. EXEC: Change something in index.xhtml and save changes. EXEC: Select Show In - Web Browser from context menu of the server adapter. ASSERT: Changes were rsynced to OpenShift (it is visible). EXEC: Restart server adapter in Debug mode. ASSERT: Server adapter is in [Debugging, *] state. EXEC: Refresh application URL or select Show In - Web Browser from context menu of the adapter. RESULT: Content of web page has been rollbacked, rsync changes were discard. EXPECTED RESULT: I am debugging on my latest version of workspace project.