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 JIRA by Nidhi Mehta, 1 year ago
via Google Groups by Unknown author, 11 months ago
Can't unlock: Not locked!
via Google Groups by Alireza Sedghi, 11 months ago
via JIRA by Nidhi Mehta, 1 year ago
via JIRA by Brandon Hill, 1 year ago
java.lang.AssertionError: Can't unlock: Not locked!	at water.Lockable$Unlock.atomic(	at water.Lockable$Unlock.atomic(	at water.TAtomic.atomic(	at water.Atomic.compute2(	at water.Atomic.fork(	at water.Atomic.invoke(	at water.Lockable.unlock(	at hex.Model$Parameters.read_unlock_frames(	at hex.tree.SharedTree$Driver.compute2(	at water.H2O$H2OCountedCompleter.compute(	at jsr166y.CountedCompleter.exec(	at jsr166y.ForkJoinTask.doExec(	at jsr166y.ForkJoinPool$WorkQueue.runTask(	at jsr166y.ForkJoinPool.runWorker(	at