This also happens with MacOS Big Sur (11.6.1). Adding "-Djava.net.preferIPv4Stack=true" to the JVM args did not help.
Happy New Year; We were greeted with another one of these today...
is attached.
We just had this same exception occur. The coordinates are located at a redstone timer that was opening a trapdoor to let a water stream drop down. crash-2019-12-09_14.48.05-server.txt contains the full crash report.
This issue is present in 1.20.2.