Communication error with Jack server

Communication error with Jack server (28), try 'jack-diagnose' or see Jack server log
Communication error with Jack server 28. Try 'jack-diagnose'
Communication error with Jack server 28. Try 'jack-diagnose'
ninja: build stopped: subcommand failed.
build/core/ninja.mk:148: recipe for target 'ninja_wrapper' failed
make: *** [ninja_wrapper] Error 1

これでいいのかな？

jack-admin kill-server
jack-admin uninstall-server