Minecraft won't run on Ubuntu [closed]Minecraft issues on ubuntuMinecraft won't installCan't run minecraftMinecraft will not runUbuntu 16.04 - Minecraft CrashingMinecraft won't launch in Ubuntu 18.04

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Minecraft won't run on Ubuntu [closed]


Minecraft issues on ubuntuMinecraft won't installCan't run minecraftMinecraft will not runUbuntu 16.04 - Minecraft CrashingMinecraft won't launch in Ubuntu 18.04






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I was running Minecraft flawlessly until a week ago on Ubuntu 14.04 with Java 1.8. Now Minecraft won't launch. I have searched and tried many things. Here is the launcher log with 1.8 installed



Getting syncinfo for selected version
Queueing library & version downloads
Unhandled exception in thread Thread[pool-2-thread-2,5,main]
com.google.gson.JsonSyntaxException: duplicate key: null
at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:191) ~[Minecraft.jar:?]
at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:146) ~[Minecraft.jar:?]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93) ~[Minecraft.jar:?]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172) ~[Minecraft.jar:?]
at com.google.gson.Gson.fromJson(Gson.java:795) ~[Minecraft.jar:?]
at com.google.gson.Gson.fromJson(Gson.java:761) ~[Minecraft.jar:?]
at com.google.gson.Gson.fromJson(Gson.java:710) ~[Minecraft.jar:?]
at com.google.gson.Gson.fromJson(Gson.java:682) ~[Minecraft.jar:?]
at net.minecraft.launcher.updater.RemoteVersionList.getCompleteVersion(RemoteVersionList.java:32) ~[launcher.jar:1.6.89-j]
at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:213) ~[launcher.jar:1.6.89-j]
at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:37) ~[launcher.jar:1.6.89-j]
at com.mojang.launcher.game.runner.AbstractGameRunner.playGame(AbstractGameRunner.java:67) ~[launcher.jar:1.6.89-j]
at net.minecraft.launcher.game.GameLaunchDispatcher$1.run(GameLaunchDispatcher.java:111) ~[launcher.jar:1.6.89-j]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_202]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_202]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]


I also tried the new Minecraft.deb launcher from the official site, which installed Java 1.12, but it wouldn't launch either, and the launcher log output was similar. It seems like everything is telling me to get 1.8 installed, which I believe I have successfully, but no luck with Minecraft. Any advice? Thanks.










share|improve this question

















closed as off-topic by user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives Sep 10 at 13:41


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is specific to an end of life Ubuntu release. These are no longer supported and are therefore off-topic here. To upgrade, see: How to install software or upgrade from old unsupported release?" – user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives
If this question can be reworded to fit the rules in the help center, please edit the question.























    2


















    I was running Minecraft flawlessly until a week ago on Ubuntu 14.04 with Java 1.8. Now Minecraft won't launch. I have searched and tried many things. Here is the launcher log with 1.8 installed



    Getting syncinfo for selected version
    Queueing library & version downloads
    Unhandled exception in thread Thread[pool-2-thread-2,5,main]
    com.google.gson.JsonSyntaxException: duplicate key: null
    at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:191) ~[Minecraft.jar:?]
    at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:146) ~[Minecraft.jar:?]
    at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93) ~[Minecraft.jar:?]
    at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172) ~[Minecraft.jar:?]
    at com.google.gson.Gson.fromJson(Gson.java:795) ~[Minecraft.jar:?]
    at com.google.gson.Gson.fromJson(Gson.java:761) ~[Minecraft.jar:?]
    at com.google.gson.Gson.fromJson(Gson.java:710) ~[Minecraft.jar:?]
    at com.google.gson.Gson.fromJson(Gson.java:682) ~[Minecraft.jar:?]
    at net.minecraft.launcher.updater.RemoteVersionList.getCompleteVersion(RemoteVersionList.java:32) ~[launcher.jar:1.6.89-j]
    at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:213) ~[launcher.jar:1.6.89-j]
    at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:37) ~[launcher.jar:1.6.89-j]
    at com.mojang.launcher.game.runner.AbstractGameRunner.playGame(AbstractGameRunner.java:67) ~[launcher.jar:1.6.89-j]
    at net.minecraft.launcher.game.GameLaunchDispatcher$1.run(GameLaunchDispatcher.java:111) ~[launcher.jar:1.6.89-j]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_202]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_202]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]


    I also tried the new Minecraft.deb launcher from the official site, which installed Java 1.12, but it wouldn't launch either, and the launcher log output was similar. It seems like everything is telling me to get 1.8 installed, which I believe I have successfully, but no luck with Minecraft. Any advice? Thanks.










    share|improve this question

















    closed as off-topic by user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives Sep 10 at 13:41


    This question appears to be off-topic. The users who voted to close gave this specific reason:


    • "This question is specific to an end of life Ubuntu release. These are no longer supported and are therefore off-topic here. To upgrade, see: How to install software or upgrade from old unsupported release?" – user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives
    If this question can be reworded to fit the rules in the help center, please edit the question.



















      2













      2









      2








      I was running Minecraft flawlessly until a week ago on Ubuntu 14.04 with Java 1.8. Now Minecraft won't launch. I have searched and tried many things. Here is the launcher log with 1.8 installed



      Getting syncinfo for selected version
      Queueing library & version downloads
      Unhandled exception in thread Thread[pool-2-thread-2,5,main]
      com.google.gson.JsonSyntaxException: duplicate key: null
      at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:191) ~[Minecraft.jar:?]
      at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:146) ~[Minecraft.jar:?]
      at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93) ~[Minecraft.jar:?]
      at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172) ~[Minecraft.jar:?]
      at com.google.gson.Gson.fromJson(Gson.java:795) ~[Minecraft.jar:?]
      at com.google.gson.Gson.fromJson(Gson.java:761) ~[Minecraft.jar:?]
      at com.google.gson.Gson.fromJson(Gson.java:710) ~[Minecraft.jar:?]
      at com.google.gson.Gson.fromJson(Gson.java:682) ~[Minecraft.jar:?]
      at net.minecraft.launcher.updater.RemoteVersionList.getCompleteVersion(RemoteVersionList.java:32) ~[launcher.jar:1.6.89-j]
      at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:213) ~[launcher.jar:1.6.89-j]
      at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:37) ~[launcher.jar:1.6.89-j]
      at com.mojang.launcher.game.runner.AbstractGameRunner.playGame(AbstractGameRunner.java:67) ~[launcher.jar:1.6.89-j]
      at net.minecraft.launcher.game.GameLaunchDispatcher$1.run(GameLaunchDispatcher.java:111) ~[launcher.jar:1.6.89-j]
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_202]
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_202]
      at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]


      I also tried the new Minecraft.deb launcher from the official site, which installed Java 1.12, but it wouldn't launch either, and the launcher log output was similar. It seems like everything is telling me to get 1.8 installed, which I believe I have successfully, but no luck with Minecraft. Any advice? Thanks.










      share|improve this question
















      I was running Minecraft flawlessly until a week ago on Ubuntu 14.04 with Java 1.8. Now Minecraft won't launch. I have searched and tried many things. Here is the launcher log with 1.8 installed



      Getting syncinfo for selected version
      Queueing library & version downloads
      Unhandled exception in thread Thread[pool-2-thread-2,5,main]
      com.google.gson.JsonSyntaxException: duplicate key: null
      at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:191) ~[Minecraft.jar:?]
      at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:146) ~[Minecraft.jar:?]
      at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93) ~[Minecraft.jar:?]
      at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172) ~[Minecraft.jar:?]
      at com.google.gson.Gson.fromJson(Gson.java:795) ~[Minecraft.jar:?]
      at com.google.gson.Gson.fromJson(Gson.java:761) ~[Minecraft.jar:?]
      at com.google.gson.Gson.fromJson(Gson.java:710) ~[Minecraft.jar:?]
      at com.google.gson.Gson.fromJson(Gson.java:682) ~[Minecraft.jar:?]
      at net.minecraft.launcher.updater.RemoteVersionList.getCompleteVersion(RemoteVersionList.java:32) ~[launcher.jar:1.6.89-j]
      at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:213) ~[launcher.jar:1.6.89-j]
      at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:37) ~[launcher.jar:1.6.89-j]
      at com.mojang.launcher.game.runner.AbstractGameRunner.playGame(AbstractGameRunner.java:67) ~[launcher.jar:1.6.89-j]
      at net.minecraft.launcher.game.GameLaunchDispatcher$1.run(GameLaunchDispatcher.java:111) ~[launcher.jar:1.6.89-j]
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_202]
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_202]
      at java.lang.Thread.run(Thread.java:748) [?:1.8.0_202]


      I also tried the new Minecraft.deb launcher from the official site, which installed Java 1.12, but it wouldn't launch either, and the launcher log output was similar. It seems like everything is telling me to get 1.8 installed, which I believe I have successfully, but no luck with Minecraft. Any advice? Thanks.







      14.04 java minecraft






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      share|improve this question




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      edited Sep 7 at 21:21









      Thomas Ward

      52.7k24 gold badges132 silver badges190 bronze badges




      52.7k24 gold badges132 silver badges190 bronze badges










      asked Sep 7 at 21:20









      GLuvGLuv

      211 bronze badge




      211 bronze badge





      closed as off-topic by user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives Sep 10 at 13:41


      This question appears to be off-topic. The users who voted to close gave this specific reason:


      • "This question is specific to an end of life Ubuntu release. These are no longer supported and are therefore off-topic here. To upgrade, see: How to install software or upgrade from old unsupported release?" – user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives
      If this question can be reworded to fit the rules in the help center, please edit the question.









      closed as off-topic by user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives Sep 10 at 13:41


      This question appears to be off-topic. The users who voted to close gave this specific reason:


      • "This question is specific to an end of life Ubuntu release. These are no longer supported and are therefore off-topic here. To upgrade, see: How to install software or upgrade from old unsupported release?" – user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives
      If this question can be reworded to fit the rules in the help center, please edit the question.







      closed as off-topic by user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives Sep 10 at 13:41


      This question appears to be off-topic. The users who voted to close gave this specific reason:


      • "This question is specific to an end of life Ubuntu release. These are no longer supported and are therefore off-topic here. To upgrade, see: How to install software or upgrade from old unsupported release?" – user535733, karel, Kulfy, Eliah Kagan, Kristopher Ives
      If this question can be reworded to fit the rules in the help center, please edit the question.




















          1 Answer
          1






          active

          oldest

          votes


















          1



















          You have a duplicate key in one of your JSON files, eg. something like this:




          "foo": 1,
          "bar": 2,
          "foo": 3






          share|improve this answer

































            1 Answer
            1






            active

            oldest

            votes








            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            1



















            You have a duplicate key in one of your JSON files, eg. something like this:




            "foo": 1,
            "bar": 2,
            "foo": 3






            share|improve this answer






























              1



















              You have a duplicate key in one of your JSON files, eg. something like this:




              "foo": 1,
              "bar": 2,
              "foo": 3






              share|improve this answer




























                1















                1











                1









                You have a duplicate key in one of your JSON files, eg. something like this:




                "foo": 1,
                "bar": 2,
                "foo": 3






                share|improve this answer














                You have a duplicate key in one of your JSON files, eg. something like this:




                "foo": 1,
                "bar": 2,
                "foo": 3







                share|improve this answer













                share|improve this answer




                share|improve this answer










                answered Sep 10 at 13:41









                Kristopher IvesKristopher Ives

                3,7372 gold badges18 silver badges31 bronze badges




                3,7372 gold badges18 silver badges31 bronze badges
















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