I have the same issue. It seems to happen around my one villager. Here's my crash report if it helps 😃
---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!Time: 4/11/19 8:47 PM
Description: Ticking entityjava.lang.IllegalStateException: POI data mismatch: already registered at ev{x=-305, y=63, z=-337}
at aqc.a(SourceFile:72)
at aqc.a(SourceFile:43)
at aqc$$Lambda$2507/357304006.accept(Unknown Source)
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.Iterator.forEachRemaining(Iterator.java:116)
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
at aqc.<init>(SourceFile:43)
at aqa$$Lambda$2409/1792514294.apply(Unknown Source)
at bxt.a(SourceFile:123)
at bxt$$Lambda$2500/1794983599.apply(Unknown Source)
at java.util.Optional.map(Optional.java:215)
at bxt.a(SourceFile:122)
at bxt.a(SourceFile:102)
at bxt.d(SourceFile:76)
at aqa.a(SourceFile:69)
at aqa.a(SourceFile:65)
at aqa$$Lambda$2867/1049649524.apply(Unknown Source)
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267)
at java.util.stream.IntPipeline$4$1.accept(IntPipeline.java:250)
at java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:110)
at java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:693)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270)
at bgn$1.tryAdvance(SourceFile:164)
at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:529)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:516)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464)
at aqa.b(SourceFile:85)
at apj.b(SourceFile:49)
at apj.a(SourceFile:34)
at apj.a(SourceFile:19)
at apo.b(SourceFile:31)
at ajb.a(SourceFile:249)
at ajb$$Lambda$2844/232477940.accept(Unknown Source)
at java.util.LinkedHashMap$LinkedValues.forEach(LinkedHashMap.java:600)
at ajb.c(SourceFile:249)
at ajb.a(SourceFile:221)
at ave.K(SourceFile:255)
at ain.cZ(SourceFile:623)
at aim.k(SourceFile:2257)
at ain.k(SourceFile:479)
at aib.k(SourceFile:140)
at aim.h(SourceFile:2102)
at ain.h(SourceFile:293)
at ave.h(SourceFile:293)
at vf.a(SourceFile:581)
at vf$$Lambda$2810/2052458307.accept(Unknown Source)
at bha.a(SourceFile:669)
at vf.a(SourceFile:384)
at net.minecraft.server.MinecraftServer.b(SourceFile:817)
at net.minecraft.server.MinecraftServer.a(SourceFile:754)
at dwy.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:629)
at java.lang.Thread.run(Thread.java:745)
A detailed walkthrough of the error, its code path and all known details is as follows:
----------------------------------------------------------------------------------------- Head --
Thread: Server thread
Stacktrace:
at aqc.a(SourceFile:72)
at aqc.a(SourceFile:43)
at aqc$$Lambda$2507/357304006.accept(Unknown Source)
at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193)
at java.util.Iterator.forEachRemaining(Iterator.java:116)
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
at aqc.<init>(SourceFile:43)
at aqa$$Lambda$2409/1792514294.apply(Unknown Source)
at bxt.a(SourceFile:123)
at bxt$$Lambda$2500/1794983599.apply(Unknown Source)
at java.util.Optional.map(Optional.java:215)
at bxt.a(SourceFile:122)
at bxt.a(SourceFile:102)
at bxt.d(SourceFile:76)
at aqa.a(SourceFile:69)
at aqa.a(SourceFile:65)
at aqa$$Lambda$2867/1049649524.apply(Unknown Source)
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267)
at java.util.stream.IntPipeline$4$1.accept(IntPipeline.java:250)
at java.util.stream.Streams$RangeIntSpliterator.forEachRemaining(Streams.java:110)
at java.util.Spliterator$OfInt.forEachRemaining(Spliterator.java:693)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:270)
at bgn$1.tryAdvance(SourceFile:164)
at java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:126)
at java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:529)
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:516)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
at java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:152)
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.findFirst(ReferencePipeline.java:464)
at aqa.b(SourceFile:85)
at apj.b(SourceFile:49)
at apj.a(SourceFile:34)
at apj.a(SourceFile:19)
at apo.b(SourceFile:31)
at ajb.a(SourceFile:249)
at ajb$$Lambda$2844/232477940.accept(Unknown Source)
at java.util.LinkedHashMap$LinkedValues.forEach(LinkedHashMap.java:600)
at ajb.c(SourceFile:249)
at ajb.a(SourceFile:221)
at ave.K(SourceFile:255)
at ain.cZ(SourceFile:623)
at aim.k(SourceFile:2257)
at ain.k(SourceFile:479)
at aib.k(SourceFile:140)
at aim.h(SourceFile:2102)
at ain.h(SourceFile:293)
at ave.h(SourceFile:293)
at vf.a(SourceFile:581)
at vf$$Lambda$2810/2052458307.accept(Unknown Source)-- Entity being ticked --
Details:
Entity Type: minecraft:villager (ave)
Entity ID: 100
Entity Name: Villager
Entity's Exact location: -317.72, 64.00, -342.63
Entity's Block location: World: (-318,64,-343), Chunk: (at 2,4,9 in -20,-22; contains blocks -320,0,-352 to -305,255,-337), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Entity's Momentum: 0.00, -0.08, 0.00
Entity's Passengers: []
Entity's Vehicle: ~~ERROR~~ NullPointerException: null
Stacktrace:
at bha.a(SourceFile:669)
at vf.a(SourceFile:384)-- Affected level --
Details:
Level name: New World
All players: 0 total; []
Chunk stats: ServerChunkCache: 2025
Level seed: -7737105645970174414
Level generator: ID 00 - default, ver 1. Features enabled: true
Level generator options: {}
Level spawn location: World: (-256,69,-245), Chunk: (at 0,4,11 in -16,-16; contains blocks -256,0,-256 to -241,255,-241), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 20875057 game time, 711873 day time
Level dimension: 0
Level storage version: 0x04ABD - Anvil
Level weather: Rain time: 136419 (now: false), thunder time: 17296 (now: false)
Level game mode: Game mode: survival (ID 0). Hardcore: true. Cheats: false
Stacktrace:
at net.minecraft.server.MinecraftServer.b(SourceFile:817)
at net.minecraft.server.MinecraftServer.a(SourceFile:754)
at dwy.a(SourceFile:128)
at net.minecraft.server.MinecraftServer.run(SourceFile:629)
at java.lang.Thread.run(Thread.java:745)-- System Details --
Details:
Minecraft Version: 1.14 Pre-Release 1
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 873477168 bytes (833 MB) / 1912602624 bytes (1824 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Player Count: 0 / 8; []
Data Packs: vanilla
Type: Integrated Server (map_client.txt)
Is Modded: Probably not. Jar signature remains and both client + server brands are untouched.
Celic
I have the same issue. It seems to happen around my one villager. Here's my crash report if it helps 😃