Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Coderanch by Rebecca Plumb, 1 year ago
sequencer not open
java.lang.IllegalStateException: sequencer not open at Source) at at MiniMiniMusicApp.main(