I was able to fix this for SQLDeveloper: Using xprop, I found the following line
WM_CLASS(STRING) = "sun-awt-X11-XFramePeer", "oracle-ide-boot-Launcher" Based on the comments above, I added the following line to my local sqldeveloper.desktop file. StartupWMClass=oracle-ide-boot-Launcher -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/757991 Title: java applications a double icon appears To manage notifications about this bug go to: https://bugs.launchpad.net/bamf/+bug/757991/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs