Since the upgrade to Debian 10 with tomcat9 (previously Debian 9 with tomcat8) we have problems with moving directories via File.renameTo or rather the underlying java.io.UnixFileSystem.rename. The ...
net.minecraft.server.v1_14_R1.PersistentBase.a(SourceFile:51) net.minecraft.server.v1_14_R1.WorldPersistentData.a(WorldPersistentData.java:171) net.minecraft.server ...