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, 2 years ago
java.lang.AssertionError: Frame is already locked by job null. at water.Lockable.set_read_lock( at water.Lockable.access$400( at water.Lockable$ReadLock.atomic( at water.Lockable$ReadLock.atomic( at water.TAtomic.atomic( at water.Atomic.compute2( at water.Atomic.fork( at water.Atomic.invoke( at water.Lockable.read_lock( at water.exec.Exec2.exec( at water.api.Exec2.serve( at water.api.Request.serveGrid( at water.Request2.superServeGrid( at water.api.Exec2.serveGrid( at water.api.Request.serve( at water.api.RequestServer.serve( at water.NanoHTTPD$ at