java.lang.UnsupportedOperationException: This exception has no message.

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via Google Groups by ron.difrango, 2 years ago
This exception has no message.
via blogspot.com by Unknown author, 1 year ago
via blogspot.com by Unknown author, 1 year ago
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via Oracle Community by 807598, 1 year ago
This exception has no message.
java.lang.UnsupportedOperationException:
at java.util.AbstractList.remove(AbstractList.java:161)
at java.util.AbstractList$Itr.remove(AbstractList.java:374)
at org.spongepowered.api.event.entity.AffectEntityEvent.filterEntities(AffectEntityEvent.java:101)
at modwiztesting.modwiztesting.Modwiztesting.onSpawn(Modwiztesting.java:24)
at org.spongepowered.common.event.listener.SpawnEntityEventListener_Modwiztesting_onSpawn1.handle(Unknown Source)
at org.spongepowered.common.event.RegisteredListener.handle(RegisteredListener.java:95)
at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:349)
at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:332)
at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:377)
at org.spongepowered.mod.event.SpongeModEventManager.post(SpongeModEventManager.java:362)
at org.spongepowered.common.SpongeImpl.postEvent(SpongeImpl.java:141)
at org.spongepowered.common.event.tracking.phase.TrackingPhase.spawnEntityOrCapture(TrackingPhase.java:290)
at org.spongepowered.common.event.tracking.CauseTracker.spawnEntity(CauseTracker.java:497)
at net.minecraft.world.WorldServer.spawnEntityInWorld(WorldServer.java:1006)
at net.minecraft.world.WorldServer.updateBlocks(WorldServer.java:530)
at net.minecraft.world.WorldServer.tick(WorldServer.java:228)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:772)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:687)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:156)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:536)
at java.lang.Thread.run(Thread.java:745)

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