Failing to make sound when getting hit by an arrow with null shooter

[ghost]

Observed Behavior

Whenever an arrow summoned with /summon hits the ground/a player, no sound effect is made and there's a stacktrace in console.

[15:34:57 WARN]: Entity threw exception at world:81.96561319573252,70.74121830390679,258.8281078198744
[15:34:57 WARN]: java.lang.NullPointerException: Cannot read field "locX" because "entity" is null
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.World.makeSound(World.java:1171)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.EntityArrow.t_(EntityArrow.java:326)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.World.entityJoinedWorld(World.java:1884)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.World.g(World.java:1851)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.World.tickEntities(World.java:1677)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.WorldServer.tickEntities(WorldServer.java:602)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:863)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:409)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:724)
[15:34:57 WARN]:        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:617)
[15:34:57 WARN]:        at java.base/java.lang.Thread.run(Thread.java:833)

Expected Behavior

The sound effect plays.

Steps To Reproduce

1. Join the server.
2. Summon an arrow with /summon

Plugin List

No response

Server Version

>version
[14:55:58 INFO]: This server is running NachoSpigot version git-NachoSpigot-"06a9e2a" (MC: 1.8.8) (Implementing API version 1.8.8-R0.2-SNAPSHOT)
[14:55:58 INFO]: You are running the latest version

Other

No response

Agreements

• [X] You were able to find this issue on the latest version of NachoSpigot.
• [X] You have confirmed that there aren’t any issues open regarding this bug.
• [X] You have confirmed that you are NOT using a fork of NachoSpigot in any way. YOUR changes are not OUR faults.