Found these blocks naturally generating in the world. When a player destroys it in creative mode, it just disappears. If a player mines it with a pickaxe:
2014-01-13 04:26:09 [INFO] [Minecraft-Client] [CHAT] You are now playing adventure
2014-01-13 04:26:11 [INFO] [Minecraft-Client] [CHAT] You are now playing survival
2014-01-13 04:26:15 [INFO] [Minecraft-Client] [CHAT] §7Giving Aubinator 1 of §f§fDiamond Pickaxe §7 §7§9+5 Attack Damage
2014-01-13 04:26:22 [INFO] [STDERR] java.lang.NullPointerException
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.item.ItemTool.func_77660_a(ItemTool.java:67)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.item.ItemStack.func_77941_a(ItemStack.java:403)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.multiplayer.PlayerControllerMP.func_78751_a(PlayerControllerMP.java:174)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.multiplayer.PlayerControllerMP.func_78743_b(PlayerControllerMP.java:218)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_71402_c(Minecraft.java:1383)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1863)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:910)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.main.Main.main(SourceFile:101)
2014-01-13 04:26:22 [INFO] [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-01-13 04:26:22 [INFO] [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2014-01-13 04:26:22 [INFO] [STDOUT] ---- Minecraft Crash Report ----
2014-01-13 04:26:22 [INFO] [STDOUT] // Oh - I know what I did wrong!
2014-01-13 04:26:22 [INFO] [STDOUT]
2014-01-13 04:26:22 [INFO] [STDOUT] Time: 13/01/14 4:26 AM
2014-01-13 04:26:22 [INFO] [STDOUT] Description: Unexpected error
2014-01-13 04:26:22 [INFO] [STDOUT]
2014-01-13 04:26:22 [INFO] [STDOUT] java.lang.NullPointerException
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.item.ItemTool.func_77660_a(ItemTool.java:67)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.item.ItemStack.func_77941_a(ItemStack.java:403)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.multiplayer.PlayerControllerMP.func_78751_a(PlayerControllerMP.java:174)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.multiplayer.PlayerControllerMP.func_78743_b(PlayerControllerMP.java:218)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_71402_c(Minecraft.java:1383)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1863)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:910)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.main.Main.main(SourceFile:101)
2014-01-13 04:26:22 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-01-13 04:26:22 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDOUT] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDOUT] at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2014-01-13 04:26:22 [INFO] [STDOUT]
2014-01-13 04:26:22 [INFO] [STDOUT]
2014-01-13 04:26:22 [INFO] [STDOUT] A detailed walkthrough of the error, its code path and all known details is as follows:
2014-01-13 04:26:11 [INFO] [Minecraft-Client] [CHAT] You are now playing survival
2014-01-13 04:26:15 [INFO] [Minecraft-Client] [CHAT] §7Giving Aubinator 1 of §f§fDiamond Pickaxe §7 §7§9+5 Attack Damage
2014-01-13 04:26:22 [INFO] [STDERR] java.lang.NullPointerException
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.item.ItemTool.func_77660_a(ItemTool.java:67)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.item.ItemStack.func_77941_a(ItemStack.java:403)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.multiplayer.PlayerControllerMP.func_78751_a(PlayerControllerMP.java:174)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.multiplayer.PlayerControllerMP.func_78743_b(PlayerControllerMP.java:218)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_71402_c(Minecraft.java:1383)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1863)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:910)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.client.main.Main.main(SourceFile:101)
2014-01-13 04:26:22 [INFO] [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-01-13 04:26:22 [INFO] [STDERR] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDERR] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDERR] at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
2014-01-13 04:26:22 [INFO] [STDERR] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2014-01-13 04:26:22 [INFO] [STDOUT] ---- Minecraft Crash Report ----
2014-01-13 04:26:22 [INFO] [STDOUT] // Oh - I know what I did wrong!
2014-01-13 04:26:22 [INFO] [STDOUT]
2014-01-13 04:26:22 [INFO] [STDOUT] Time: 13/01/14 4:26 AM
2014-01-13 04:26:22 [INFO] [STDOUT] Description: Unexpected error
2014-01-13 04:26:22 [INFO] [STDOUT]
2014-01-13 04:26:22 [INFO] [STDOUT] java.lang.NullPointerException
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.item.ItemTool.func_77660_a(ItemTool.java:67)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.item.ItemStack.func_77941_a(ItemStack.java:403)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.multiplayer.PlayerControllerMP.func_78751_a(PlayerControllerMP.java:174)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.multiplayer.PlayerControllerMP.func_78743_b(PlayerControllerMP.java:218)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_71402_c(Minecraft.java:1383)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1863)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:910)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:838)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.client.main.Main.main(SourceFile:101)
2014-01-13 04:26:22 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2014-01-13 04:26:22 [INFO] [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDOUT] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDOUT] at java.lang.reflect.Method.invoke(Unknown Source)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
2014-01-13 04:26:22 [INFO] [STDOUT] at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
2014-01-13 04:26:22 [INFO] [STDOUT]
2014-01-13 04:26:22 [INFO] [STDOUT]
2014-01-13 04:26:22 [INFO] [STDOUT] A detailed walkthrough of the error, its code path and all known details is as follows:
they are instantly teleported to their desktop without warning...
What could be causing this block to appear?
any help is greatly appreciated!
Last edited: