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  1. Minecraft: Java Edition
  2. MC-136589

java.lang.ClassCastException: com.mojang.datafixers.util.Pair cannot be cast to com.mojang.datafixers.util.Either

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    • Icon: Bug Bug
    • Resolution: Invalid
    • None
    • Minecraft 1.13.1
    • None
    • Unconfirmed

      Error from latest.log
      [13:23:25] [pool-4-thread-1/ERROR]: Something went wrong upgrading!
      java.lang.ClassCastException: com.mojang.datafixers.util.Pair cannot be cast to com.mojang.datafixers.util.Either
      	at com.mojang.datafixers.optics.Inj1.match(Inj1.java:5) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Fold.lambda$null$2(Fold.java:46) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$first$1(FunctionType.java:80) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$first$1(FunctionType.java:80) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Fold.lambda$null$2(Fold.java:46) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$first$1(FunctionType.java:80) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$first$1(FunctionType.java:80) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Fold.lambda$null$2(Fold.java:46) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$null$3(FunctionType.java:92) ~[server.jar:?]
      	at com.mojang.datafixers.optics.ListTraversal.lambda$wander$0(ListTraversal.java:17) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$wander$4(FunctionType.java:93) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.lambda$mapRight$1(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either$Right.map(Either.java:85) ~[server.jar:?]
      	at com.mojang.datafixers.util.Either.mapRight(Either.java:137) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$right$6(FunctionType.java:103) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$first$1(FunctionType.java:80) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$first$1(FunctionType.java:80) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.FunctionType$Instance.lambda$first$1(FunctionType.java:80) ~[server.jar:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at java.util.function.Function.lambda$compose$0(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.functions.Comp.lambda$null$5(Comp.java:67) ~[server.jar:?]
      	at com.mojang.datafixers.types.Type.capWrite(Type.java:152) ~[server.jar:?]
      	at com.mojang.datafixers.types.Type.lambda$null$7(Type.java:143) ~[server.jar:?]
      	at java.util.Optional.map(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.types.Type.lambda$readAndWrite$8(Type.java:142) ~[server.jar:?]
      	at java.util.Optional.flatMap(Unknown Source) ~[?:?]
      	at com.mojang.datafixers.types.Type.readAndWrite(Type.java:141) ~[server.jar:?]
      	at com.mojang.datafixers.DataFixerUpper.update(DataFixerUpper.java:81) ~[server.jar:?]
      	at hk.a(SourceFile:494) ~[server.jar:?]
      	at bnu.a(SourceFile:109) ~[server.jar:?]
      	at bnu.a(SourceFile:821) ~[server.jar:?]
      	at ada.a(SourceFile:144) ~[server.jar:?]
      	at ada.i(SourceFile:115) ~[server.jar:?]
      	at java.lang.Thread.run(Unknown Source) [?:?]
      

      Map download here: https://we.tl/t-qA3minJyqM

            Unassigned Unassigned
            benoitfouc Benoît Foucher
            Votes:
            1 Vote for this issue
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              Created:
              Updated:
              Resolved: