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I have a number of PCs running Mint 17.2 but this one machine won't allow the game to start. No idea why. I have Java8 and the latest graphic drivers.

---- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 10/31/15 1:47 PM
Description: Initializing game

java.lang.ExceptionInInitializerError
    at Config.initGameSettings(Config.java:172)
    at avh.<init>(GameSettings.java:379)
    at ave.am(SourceFile:349)
    at ave.a(SourceFile:310)
    at net.minecraft.client.main.Main.main(SourceFile:124)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
    at org.lwjgl.opengl.XRandR.findPrimary(XRandR.java:326)
    at org.lwjgl.opengl.XRandR.ScreentoDisplayMode(XRandR.java:315)
    at org.lwjgl.opengl.LinuxDisplay$3.run(LinuxDisplay.java:746)
    at org.lwjgl.opengl.LinuxDisplay$3.run(LinuxDisplay.java:743)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.lwjgl.opengl.LinuxDisplay.init(LinuxDisplay.java:743)
    at org.lwjgl.opengl.Display.<clinit>(Display.java:138)
    ... 11 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
    at Config.initGameSettings(Config.java:172)
    at avh.<init>(GameSettings.java:379)
    at ave.am(SourceFile:349)

-- Initialization --
Details:
Stacktrace:
    at ave.a(SourceFile:310)
    at net.minecraft.client.main.Main.main(SourceFile:124)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

-- System Details --
Details:
    Minecraft Version: 1.8.8
    Operating System: Linux (amd64) version 4.2.3-040203-generic
    CPU: <unknown>
    Java Version: 1.8.0_66, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 40534984 bytes (38 MB) / 175198208 bytes (167 MB) up to 1060372480 bytes (1011 MB)
    JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    Launched Version: 1.8.8-OptiFine_HD_U_F3
    LWJGL: 2.9.4
    OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    GL Caps: 
    Using VBOs: ~~ERROR~~ NullPointerException: null
    Is Modded: Very likely; Jar signature invalidated
    Type: Client (map_client.txt)
    Resource Packs: ~~ERROR~~ NullPointerException: null
    Current Language: ~~ERROR~~ NullPointerException: null
    Profiler Position: N/A (disabled)
    CPU: <unknown>

I don't know why it kept using Optifine but I removed the .minecraft folder and minecraft.jar and still causes a crash. Anyway here's a report from Minecraft without any mods. It seems the error is about it can't find a display.

---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 10/31/15 5:45 PM
Description: Initializing game

java.lang.ExceptionInInitializerError
    at ave.ar(SourceFile:560)
    at ave.am(SourceFile:361)
    at ave.a(SourceFile:310)
    at net.minecraft.client.main.Main.main(SourceFile:124)
Caused by: java.lang.ArrayIndexOutOfBoundsException: 0
    at org.lwjgl.opengl.XRandR.findPrimary(XRandR.java:326)
    at org.lwjgl.opengl.XRandR.ScreentoDisplayMode(XRandR.java:315)
    at org.lwjgl.opengl.LinuxDisplay$3.run(LinuxDisplay.java:746)
    at org.lwjgl.opengl.LinuxDisplay$3.run(LinuxDisplay.java:743)
    at java.security.AccessController.doPrivileged(Native Method)
    at org.lwjgl.opengl.LinuxDisplay.init(LinuxDisplay.java:743)
    at org.lwjgl.opengl.Display.<clinit>(Display.java:138)
    ... 4 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
    at ave.ar(SourceFile:560)
    at ave.am(SourceFile:361)

-- Initialization --
Details:
Stacktrace:
    at ave.a(SourceFile:310)
    at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
    Minecraft Version: 1.8.8
    Operating System: Linux (amd64) version 4.2.3-040203-generic
    Java Version: 1.8.0_66, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 63236888 bytes (60 MB) / 160043008 bytes (152 MB) up to 1060372480 bytes (1011 MB)
    JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    Launched Version: 1.8.8
    LWJGL: 2.9.4
    OpenGL: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    GL Caps: 
    Using VBOs: No
    Is Modded: Probably not. Jar signature remains and client brand is untouched.
    Type: Client (map_client.txt)
    Resource Packs: 
    Current Language: ~~ERROR~~ NullPointerException: null
    Profiler Position: N/A (disabled)
    CPU: <unknown>