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Bug
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Resolution: Fixed
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Minecraft 15w43a, Minecraft 15w43c, Minecraft 15w44a, Minecraft 15w46a
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Community Consensus
The bug
(Apparently) Every loot table exception that occurs is not caught causing the game to crash when an invalid loot table is used for containers and in general printing an fatal error in the log.
Affected situations
- Invalid loot table name (Loot table name contains for example a colon)
- Expected name to be an item, was unknown string (Invalid item name in loot table)
- Missing entries (no entries tag provided)
- Exceptions thrown while parsing the loot table (thrown by Json parser)
Example
When using a string containg a period as DeathLootTable a fatal error occurs.
Used command
/summon Cow ~ ~ ~ {DeathLootTable:".",Health:0.1,NoAI:1}
Fatal Error (15w43a)
[19:16:52] [Server thread/FATAL]: Error executing task java.util.concurrent.ExecutionException: com.google.common.util.concurrent.UncheckedExecutionException: java.lang.IllegalArgumentException: Invalid loot table name '{}' (can't contain periods)minecraft:. at java.util.concurrent.FutureTask.report(FutureTask.java:122) ~[?:1.8.0_25] at java.util.concurrent.FutureTask.get(FutureTask.java:192) ~[?:1.8.0_25] at g.a(SourceFile:46) [15w43a.jar:?] at net.minecraft.server.MinecraftServer.D(SourceFile:590) [15w43a.jar:?] at net.minecraft.server.MinecraftServer.C(SourceFile:546) [15w43a.jar:?] at bxi.C(SourceFile:154) [15w43a.jar:?] at net.minecraft.server.MinecraftServer.run(SourceFile:450) [15w43a.jar:?] at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25] Caused by: com.google.common.util.concurrent.UncheckedExecutionException: java.lang.IllegalArgumentException: Invalid loot table name '{}' (can't contain periods)minecraft:. at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2201) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache.get(LocalCache.java:3934) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3938) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4821) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4827) ~[guava-17.0.jar:?] at azm.a(SourceFile:46) ~[15w43a.jar:?] at rv.a(SourceFile:435) ~[15w43a.jar:?] at ru.a(SourceFile:833) ~[15w43a.jar:?] at ru.a(SourceFile:766) ~[15w43a.jar:?] at vp.a(SourceFile:64) ~[15w43a.jar:?] at zl.f(SourceFile:1070) ~[15w43a.jar:?] at ls.f(SourceFile:1032) ~[15w43a.jar:?] at mb.a(SourceFile:899) ~[15w43a.jar:?] at is.a(SourceFile:68) ~[15w43a.jar:?] at is.a(SourceFile:12) ~[15w43a.jar:?] at fh$1.run(SourceFile:13) ~[15w43a.jar:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_25] at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_25] at g.a(SourceFile:45) ~[15w43a.jar:?] ... 5 more Caused by: java.lang.IllegalArgumentException: Invalid loot table name '{}' (can't contain periods)minecraft:. at azm$a.a(SourceFile:61) ~[15w43a.jar:?] at azm$a.load(SourceFile:56) ~[15w43a.jar:?] at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3524) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2317) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2280) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2195) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache.get(LocalCache.java:3934) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3938) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4821) ~[guava-17.0.jar:?] at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4827) ~[guava-17.0.jar:?] at azm.a(SourceFile:46) ~[15w43a.jar:?] at rv.a(SourceFile:435) ~[15w43a.jar:?] at ru.a(SourceFile:833) ~[15w43a.jar:?] at ru.a(SourceFile:766) ~[15w43a.jar:?] at vp.a(SourceFile:64) ~[15w43a.jar:?] at zl.f(SourceFile:1070) ~[15w43a.jar:?] at ls.f(SourceFile:1032) ~[15w43a.jar:?] at mb.a(SourceFile:899) ~[15w43a.jar:?] at is.a(SourceFile:68) ~[15w43a.jar:?] at is.a(SourceFile:12) ~[15w43a.jar:?] at fh$1.run(SourceFile:13) ~[15w43a.jar:?] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[?:1.8.0_25] at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_25] at g.a(SourceFile:45) ~[15w43a.jar:?] ... 5 more
