I have this 1.12.2 world I used to play on my server. I can play it fine on 1.12.2 Singleplayer. But I want to play 1.14.2 but whenever I convert the world then click play it crashes. Here is the crash report
---- Minecraft Crash Report -------- Minecraft Crash Report ----// Hi. I'm Minecraft, and I'm a crashaholic.
Time: 12/06/19 15:34Description: Loading entity NBT
com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $ at com.google.gson.internal.Streams.parse(Streams.java:60) at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:65) at zm.a(SourceFile:493) at zm.a(SourceFile:518) at jm$a.a(SourceFile:393) at aii.f(SourceFile:1512) at cod.b(SourceFile:169) at xq.a(SourceFile:299) at xq.a(SourceFile:123) at wa.c(SourceFile:111) at wa.b(SourceFile:63) at ja.a(SourceFile:239) at vx.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:842) at net.minecraft.server.MinecraftServer.a(SourceFile:764) at dxk.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:632) at java.lang.Thread.run(Thread.java:745)Caused by: com.google.gson.stream.MalformedJsonException: Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $ at com.google.gson.stream.JsonReader.syntaxError(JsonReader.java:1559) at com.google.gson.stream.JsonReader.checkLenient(JsonReader.java:1401) at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:593) at com.google.gson.stream.JsonReader.peek(JsonReader.java:425) at com.google.gson.internal.Streams.parse(Streams.java:46) ... 17 more
A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
-- Head --Thread: Server threadStacktrace: at com.google.gson.internal.Streams.parse(Streams.java:60) at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:65) at zm.a(SourceFile:493) at zm.a(SourceFile:518) at jm$a.a(SourceFile:393)
-- Entity being loaded --Details: Entity Type: minecraft:player (vh) Entity ID: 15 Entity Name: CryoMC Entity's Exact location: -1677.92, 71.00, -664.13 Entity's Block location: World: (-1678,71,-665), Chunk: (at 2,4,7 in -105,-42; contains blocks -1680,0,-672 to -1665,255,-657), Region: (-4,-2; contains chunks -128,-64 to -97,-33, blocks -2048,0,-1024 to -1537,255,-513) Entity's Momentum: 0.00, -0.08, 0.00 Entity's Passengers: [] Entity's Vehicle: ~~ERROR~~ NullPointerException: nullStacktrace: at aii.f(SourceFile:1512) at cod.b(SourceFile:169) at xq.a(SourceFile:299) at xq.a(SourceFile:123) at wa.c(SourceFile:111) at wa.b(SourceFile:63) at ja.a(SourceFile:239)
-- Ticking connection --Details: Connection: ja@2429c617Stacktrace: at vx.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:842) at net.minecraft.server.MinecraftServer.a(SourceFile:764) at dxk.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:632) at java.lang.Thread.run(Thread.java:745)
-- System Details --Details: Minecraft Version: 1.14.2 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: 1126894064 bytes (1074 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.
I have this 1.12.2 world I used to play on my server. I can play it fine on 1.12.2 Singleplayer. But I want to play 1.14.2 but whenever I convert the world then click play it crashes. Here is the crash report
---- Minecraft Crash Report -------- Minecraft Crash Report ----// Hi. I'm Minecraft, and I'm a crashaholic.
Time: 12/06/19 15:34Description: Loading entity NBT
com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $ at com.google.gson.internal.Streams.parse(Streams.java:60) at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:65) at zm.a(SourceFile:493) at zm.a(SourceFile:518) at jm$a.a(SourceFile:393) at aii.f(SourceFile:1512) at cod.b(SourceFile:169) at xq.a(SourceFile:299) at xq.a(SourceFile:123) at wa.c(SourceFile:111) at wa.b(SourceFile:63) at ja.a(SourceFile:239) at vx.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:842) at net.minecraft.server.MinecraftServer.a(SourceFile:764) at dxk.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:632) at java.lang.Thread.run(Thread.java:745)Caused by: com.google.gson.stream.MalformedJsonException: Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $ at com.google.gson.stream.JsonReader.syntaxError(JsonReader.java:1559) at com.google.gson.stream.JsonReader.checkLenient(JsonReader.java:1401) at com.google.gson.stream.JsonReader.doPeek(JsonReader.java:593) at com.google.gson.stream.JsonReader.peek(JsonReader.java:425) at com.google.gson.internal.Streams.parse(Streams.java:46) ... 17 more
A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
-- Head --Thread: Server threadStacktrace: at com.google.gson.internal.Streams.parse(Streams.java:60) at com.google.gson.internal.bind.TreeTypeAdapter.read(TreeTypeAdapter.java:65) at zm.a(SourceFile:493) at zm.a(SourceFile:518) at jm$a.a(SourceFile:393)
-- Entity being loaded --Details: Entity Type: minecraft:player (vh) Entity ID: 15 Entity Name: CryoMC Entity's Exact location: -1677.92, 71.00, -664.13 Entity's Block location: World: (-1678,71,-665), Chunk: (at 2,4,7 in -105,-42; contains blocks -1680,0,-672 to -1665,255,-657), Region: (-4,-2; contains chunks -128,-64 to -97,-33, blocks -2048,0,-1024 to -1537,255,-513) Entity's Momentum: 0.00, -0.08, 0.00 Entity's Passengers: [] Entity's Vehicle: ~~ERROR~~ NullPointerException: nullStacktrace: at aii.f(SourceFile:1512) at cod.b(SourceFile:169) at xq.a(SourceFile:299) at xq.a(SourceFile:123) at wa.c(SourceFile:111) at wa.b(SourceFile:63) at ja.a(SourceFile:239)
-- Ticking connection --Details: Connection: ja@2429c617Stacktrace: at vx.c(SourceFile:171) at net.minecraft.server.MinecraftServer.b(SourceFile:842) at net.minecraft.server.MinecraftServer.a(SourceFile:764) at dxk.a(SourceFile:128) at net.minecraft.server.MinecraftServer.run(SourceFile:632) at java.lang.Thread.run(Thread.java:745)
-- System Details --Details: Minecraft Version: 1.14.2 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: 1126894064 bytes (1074 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.
Loading an old world onto a newer version of MC will cause problems. There is little to no compatibility between major releases of MC.
"We live on a placid island of ignorance in the midst of black seas of infinity, and it was not meant that we should voyage far."
https://bugs.mojang.com/browse/MC-135383 -- Current bug report. May be related
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