@FreeHands reported that when you send HEAD request, it shows error:
[16:45:07 WARN]: java.io.IOException: response headers not sent yet
[16:45:07 WARN]: at jdk.httpserver/sun.net.httpserver.PlaceholderOutputStream.checkWrap(ExchangeImpl.java:448)
[16:45:07 WARN]: at jdk.httpserver/sun.net.httpserver.PlaceholderOutputStream.write(ExchangeImpl.java:458)
[16:45:07 WARN]: at websk-1.2.1.jar//dev.jensderuiter.websk.web.Webserver.lambda$setStringContext$2(Webserver.java:147)
[16:45:07 WARN]: at org.bukkit.craftbukkit.v1_19_R1.scheduler.CraftTask.run(CraftTask.java:101)
[16:45:07 WARN]: at org.bukkit.craftbukkit.v1_19_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:483)
[16:45:07 WARN]: at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1493)
[16:45:07 WARN]: at net.minecraft.server.dedicated.DedicatedServer.b(DedicatedServer.java:446)
[16:45:07 WARN]: at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:1417)
[16:45:07 WARN]: at net.minecraft.server.MinecraftServer.v(MinecraftServer.java:1193)
[16:45:07 WARN]: at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:305)
[16:45:07 WARN]: at java.base/java.lang.Thread.run(Thread.java:833)
@FreeHands reported that when you send HEAD request, it shows error:
I fixed that in this PR