[21:08:26 INFO]: Minecraft Launcher 1.6.91 (through bootstrap 100) started on linux...  [21:08:26 INFO]: Current time is Sep 4, 2019, 9:08:26 PM  [21:08:26 INFO]: System.getProperty('os.name') == 'Linux'  [21:08:26 INFO]: System.getProperty('os.version') == '4.15.0-58-generic'  [21:08:26 INFO]: System.getProperty('os.arch') == 'amd64'  [21:08:26 INFO]: System.getProperty('java.version') == '11.0.4'  [21:08:26 INFO]: System.getProperty('java.vendor') == 'Ubuntu'  [21:08:26 INFO]: System.getProperty('sun.arch.data.model') == '64'  [21:08:26 INFO]: proxy == DIRECT  [21:08:26 INFO]: Refreshing local version list...  [21:08:26 INFO]: Refreshing remote version list...  [21:08:28 INFO]: Refresh complete. [21:08:29 INFO]: Installed CompleteVersion \{id='1.12.2', updatedTime=Mon Sep 18 10:39:46 CEST 2017, releasedTime=Mon Sep 18 10:39:46 CEST 2017, type=RELEASE, libraries=[ Library\{name='com.mojang:patchy:1.1', rules=null, natives=null, extract=null},  Library\{name='oshi-project:oshi-core:1.1', rules=null, natives=null, extract=null},  Library\{name='net.java.dev.jna:jna:4.4.0', rules=null, natives=null, extract=null},  Library\{name='net.java.dev.jna:platform:3.4.0', rules=null, natives=null, extract=null},  Library\{name='com.ibm.icu:icu4j-core-mojang:51.2', rules=null, natives=null, extract=null},  Library\{name='net.sf.jopt-simple:jopt-simple:5.0.3', rules=null, natives=null, extract=null},  Library\{name='com.paulscode:codecjorbis:20101023', rules=null, natives=null, extract=null},  Library\{name='com.paulscode:codecwav:20101023', rules=null, natives=null, extract=null},  Library\{name='com.paulscode:libraryjavasound:20101123', rules=null, natives=null, extract=null},  Library\{name='com.paulscode:librarylwjglopenal:20100824', rules=null, natives=null, extract=null},  Library\{name='com.paulscode:soundsystem:20120107', rules=null, natives=null, extract=null},  Library\{name='io.netty:netty-all:4.1.9.Final', rules=null, natives=null, extract=null},  Library\{name='com.google.guava:guava:21.0', rules=null, natives=null, extract=null},  Library\{name='org.apache.commons:commons-lang3:3.5', rules=null, natives=null, extract=null},  Library\{name='commons-io:commons-io:2.5', rules=null, natives=null, extract=null},  Library\{name='commons-codec:commons-codec:1.10', rules=null, natives=null, extract=null},  Library\{name='net.java.jinput:jinput:2.0.5', rules=null, natives=null, extract=null},  Library\{name='net.java.jutils:jutils:1.0.0', rules=null, natives=null, extract=null},  Library\{name='com.google.code.gson:gson:2.8.0', rules=null, natives=null, extract=null},  Library\{name='com.mojang:authlib:1.5.25', rules=null, natives=null, extract=null},  Library\{name='com.mojang:realms:1.10.22', rules=null, natives=null, extract=null},  Library\{name='org.apache.commons:commons-compress:1.8.1', rules=null, natives=null, extract=null},  Library\{name='org.apache.httpcomponents:httpclient:4.3.3', rules=null, natives=null, extract=null},  Library\{name='commons-logging:commons-logging:1.1.3', rules=null, natives=null, extract=null},  Library\{name='org.apache.httpcomponents:httpcore:4.3.2', rules=null, natives=null, extract=null},  Library\{name='it.unimi.dsi:fastutil:7.1.0', rules=null, natives=null, extract=null},  Library\{name='org.apache.logging.log4j:log4j-api:2.8.1', rules=null, natives=null, extract=null},  Library\{name='org.apache.logging.log4j:log4j-core:2.8.1', rules=null, natives=null, extract=null},  Library\{name='org.lwjgl.lwjgl:lwjgl:2.9.4-nightly-20150209', rules=[Rule\{action=ALLOW, os=null, features=null}, Rule\{action=DISALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null},  Library\{name='org.lwjgl.lwjgl:lwjgl_util:2.9.4-nightly-20150209', rules=[Rule{action=ALLOW, os=null, features=null}, Rule\{action=DISALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}, Library\{name='org.lwjgl.lwjgl:lwjgl-platform:2.9.4-nightly-20150209', rules=[Rule{action=ALLOW, os=null, features=null}, Rule\{action=DISALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=\{LINUX=natives-linux, OSX=natives-osx, WINDOWS=natives-windows}, extract=com.mojang.launcher.versions.ExtractRules@25c24724}, Library\{name='org.lwjgl.lwjgl:lwjgl:2.9.2-nightly-20140822', rules=[Rule\\\{action=ALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}, Library{name='org.lwjgl.lwjgl:lwjgl_util:2.9.2-nightly-20140822', rules=[Rule\{action=ALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}, Library\{name='org.lwjgl.lwjgl:lwjgl-platform:2.9.2-nightly-20140822', rules=[Rule\\\{action=ALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=\{LINUX=natives-linux, OSX=natives-osx, WINDOWS=natives-windows}, extract=com.mojang.launcher.versions.ExtractRules@73b7891d}, Library\{name='net.java.jinput:jinput-platform:2.0.5', rules=null, natives= {LINUX=natives-linux, OSX=natives-osx, WINDOWS=natives-windows}, extract=com.mojang.launcher.versions.ExtractRules@fbabaf5}, Library\{name='com.mojang:text2speech:1.10.3', rules=null, natives=null, extract=null}, Library\{name='com.mojang:text2speech:1.10.3', rules=null, natives= \{LINUX=natives-linux, WINDOWS=natives-windows}, extract=com.mojang.launcher.versions.ExtractRules@66f934f0}, Library\{name='ca.weblite:java-objc-bridge:1.0.0', rules=[Rule {action=ALLOW, os=OSRestriction\{name=OSX, version='null', arch='null'}, features=null}], natives=\{OSX=natives-osx}, extract=com.mojang.launcher.versions.ExtractRules@5135a46c}, Library{name='ca.weblite:java-objc-bridge:1.0.0', rules=[Rule\\{action=ALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}], mainClass='net.minecraft.client.main.Main', jar='null', minimumLauncherVersion=18} [21:08:29 INFO]: Loaded 6 profile(s); selected '1.14.4'  [21:08:29 INFO]: Refreshing auth... [21:08:29 INFO]: Logging in with access token [21:08:30 INFO]: Installed CompleteVersion\{id='1.12.2', updatedTime=Mon Sep 18 10:39:46 CEST 2017, releasedTime=Mon Sep 18 10:39:46 CEST 2017, type=RELEASE, libraries=[Library{name='com.mojang:patchy:1.1', rules=null, natives=null, extract=null}, Library \{name='oshi-project:oshi-core:1.1', rules=null, natives=null, extract=null}, Library \{name='net.java.dev.jna:jna:4.4.0', rules=null, natives=null, extract=null}, Library \{name='net.java.dev.jna:platform:3.4.0', rules=null, natives=null, extract=null}, Library \{name='com.ibm.icu:icu4j-core-mojang:51.2', rules=null, natives=null, extract=null}, Library \{name='net.sf.jopt-simple:jopt-simple:5.0.3', rules=null, natives=null, extract=null}, Library \{name='com.paulscode:codecjorbis:20101023', rules=null, natives=null, extract=null}, Library \{name='com.paulscode:codecwav:20101023', rules=null, natives=null, extract=null}, Library \{name='com.paulscode:libraryjavasound:20101123', rules=null, natives=null, extract=null}, Library \{name='com.paulscode:librarylwjglopenal:20100824', rules=null, natives=null, extract=null}, Library \{name='com.paulscode:soundsystem:20120107', rules=null, natives=null, extract=null}, Library \{name='io.netty:netty-all:4.1.9.Final', rules=null, natives=null, extract=null}, Library \{name='com.google.guava:guava:21.0', rules=null, natives=null, extract=null}, Library \{name='org.apache.commons:commons-lang3:3.5', rules=null, natives=null, extract=null}, Library \{name='commons-io:commons-io:2.5', rules=null, natives=null, extract=null}, Library \{name='commons-codec:commons-codec:1.10', rules=null, natives=null, extract=null}, Library \{name='net.java.jinput:jinput:2.0.5', rules=null, natives=null, extract=null}, Library \{name='net.java.jutils:jutils:1.0.0', rules=null, natives=null, extract=null}, Library \{name='com.google.code.gson:gson:2.8.0', rules=null, natives=null, extract=null}, Library \{name='com.mojang:authlib:1.5.25', rules=null, natives=null, extract=null}, Library \{name='com.mojang:realms:1.10.22', rules=null, natives=null, extract=null}, Library \{name='org.apache.commons:commons-compress:1.8.1', rules=null, natives=null, extract=null}, Library \{name='org.apache.httpcomponents:httpclient:4.3.3', rules=null, natives=null, extract=null}, Library \{name='commons-logging:commons-logging:1.1.3', rules=null, natives=null, extract=null}, Library \{name='org.apache.httpcomponents:httpcore:4.3.2', rules=null, natives=null, extract=null}, Library \{name='it.unimi.dsi:fastutil:7.1.0', rules=null, natives=null, extract=null}, Library \{name='org.apache.logging.log4j:log4j-api:2.8.1', rules=null, natives=null, extract=null}, Library \{name='org.apache.logging.log4j:log4j-core:2.8.1', rules=null, natives=null, extract=null}, Library\{name='org.lwjgl.lwjgl:lwjgl:2.9.4-nightly-20150209', rules=[Rule{action=ALLOW, os=null, features=null}, Rule\{action=DISALLOW, os=OSRestriction\{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}, Library\{name='org.lwjgl.lwjgl:lwjgl_util:2.9.4-nightly-20150209', rules=[Rule\{action=ALLOW, os=null, features=null}, Rule {action=DISALLOW, os=OSRestriction\{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}, Library\{name='org.lwjgl.lwjgl:lwjgl-platform:2.9.4-nightly-20150209', rules=[Rule{action=ALLOW, os=null, features=null}, Rule\{action=DISALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=\{LINUX=natives-linux, OSX=natives-osx, WINDOWS=natives-windows}, extract=com.mojang.launcher.versions.ExtractRules@2cfe8ff0}, Library\{name='org.lwjgl.lwjgl:lwjgl:2.9.2-nightly-20140822', rules=[Rule\{action=ALLOW, os=OSRestriction \{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}, Library\{name='org.lwjgl.lwjgl:lwjgl_util:2.9.2-nightly-20140822', rules=[Rule{action=ALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}, Library\{name='org.lwjgl.lwjgl:lwjgl-platform:2.9.2-nightly-20140822', rules=[Rule{action=ALLOW, os=OSRestriction {name=OSX, version='null', arch='null'}, features=null}], natives=\{LINUX=natives-linux, OSX=natives-osx, WINDOWS=natives-windows}, extract=com.mojang.launcher.versions.ExtractRules@4340f7c8}, Library\{name='net.java.jinput:jinput-platform:2.0.5', rules=null, natives={LINUX=natives-linux, OSX=natives-osx, WINDOWS=natives-windows}, extract=com.mojang.launcher.versions.ExtractRules@7bd1956a}, Library\{name='com.mojang:text2speech:1.10.3', rules=null, natives=null, extract=null}, Library\{name='com.mojang:text2speech:1.10.3', rules=null, natives={LINUX=natives-linux, WINDOWS=natives-windows}, extract=com.mojang.launcher.versions.ExtractRules@6e415046}, Library\{name='ca.weblite:java-objc-bridge:1.0.0', rules=[Rule{action=ALLOW, os=OSRestriction{name=OSX, version='null', arch='null'}, features=null}], natives=\{OSX=natives-osx}, extract=com.mojang.launcher.versions.ExtractRules@3698c371}, Library{name='ca.weblite:java-objc-bridge:1.0.0', rules=[Rule{action=ALLOW, os=OSRestriction {name=OSX, version='null', arch='null'}, features=null}], natives=null, extract=null}], mainClass='net.minecraft.client.main.Main', jar='null', minimumLauncherVersion=18} [21:08:52 INFO]: Getting syncinfo for selected version  [21:08:52 INFO]: Queueing library & version downloads   [21:08:52 FATAL]: 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$Adapter.read(MapTypeAdapterFactory.java:190) ~[launcher.jar:1.6.91]  at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:145) ~[launcher.jar:1.6.91]  at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93) ~[launcher.jar:1.6.91]  at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172) ~[launcher.jar:1.6.91]  at com.google.gson.Gson.fromJson(Gson.java:803) ~[launcher.jar:1.6.91]  at com.google.gson.Gson.fromJson(Gson.java:768) ~[launcher.jar:1.6.91]  at com.google.gson.Gson.fromJson(Gson.java:717) ~[launcher.jar:1.6.91]  at com.google.gson.Gson.fromJson(Gson.java:689) ~[launcher.jar:1.6.91]  at net.minecraft.launcher.updater.RemoteVersionList.getCompleteVersion(RemoteVersionList.java:32) ~[launcher.jar:1.6.91]  at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:213) ~[launcher.jar:1.6.91]  at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:37) ~[launcher.jar:1.6.91]  at com.mojang.launcher.game.runner.AbstractGameRunner.playGame(AbstractGameRunner.java:67) ~[launcher.jar:1.6.91]  at net.minecraft.launcher.game.GameLaunchDispatcher$1.run(GameLaunchDispatcher.java:111) ~[launcher.jar:1.6.91]  at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) ~[?:?]  at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) ~[?:?]  at java.base/java.lang.Thread.run(Thread.java:834) [?:?]