java.lang.UnsatisfiedLinkError: /home/zrebec/.minecraft/bin/natives/liblwjgl.so: /home/zrebec/.minecraft/bin/natives/liblwjgl.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)

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    java.lang.UnsatisfiedLinkError: /home/zrebec/.minecraft/bin/natives/liblwjgl.so: /home/zrebec/.minecraft/bin/natives/liblwjgl.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)
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    Minecraft in jdk 1.7.0_u2 x64

    Ask Ubuntu | 5 years ago | Nela Drobná
    java.lang.UnsatisfiedLinkError: /home/zrebec/.minecraft/bin/natives/liblwjgl.so: /home/zrebec/.minecraft/bin/natives/liblwjgl.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)
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    java.lang.UnsatisfiedLinkError: /home/fabianhjr/.minecraft/bin/natives/liblwjgl.so: /home/fabianhjr/.minecraft/bin/natives/liblwjgl.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)
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    ubuntuforums.org | 12 months ago
    java.lang.UnsatisfiedLinkError: /home/alden/.minecraft/bin/natives/liblwjgl.so: /home/alden/.minecraft/bin/natives/liblwjgl.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)
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    java.lang.UnsatisfiedLinkError: /home/noiro/.minecraft/bin/natives/liblwjgl.so: /home/noiro/.minecraft/bin/natives/liblwjgl.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)
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Root Cause Analysis

  1. java.lang.UnsatisfiedLinkError

    /home/zrebec/.minecraft/bin/natives/liblwjgl.so: /home/zrebec/.minecraft/bin/natives/liblwjgl.so: wrong ELF class: ELFCLASS32 (Possible cause: architecture word width mismatch)

    at java.lang.ClassLoader$NativeLibrary.load()
  2. Java RT
    System.load
    1. java.lang.ClassLoader$NativeLibrary.load(Native Method)
    2. java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1928)
    3. java.lang.ClassLoader.loadLibrary(ClassLoader.java:1825)
    4. java.lang.Runtime.load0(Runtime.java:792)
    5. java.lang.System.load(System.java:1059)
    5 frames
  3. Lighweight Java Game Library
    Sys$1.run
    1. org.lwjgl.Sys$1.run(Sys.java:69)
    1 frame
  4. Java RT
    AccessController.doPrivileged
    1. java.security.AccessController.doPrivileged(Native Method)
    1 frame
  5. Lighweight Java Game Library
    Display.<clinit>
    1. org.lwjgl.Sys.doLoadLibrary(Sys.java:65)
    2. org.lwjgl.Sys.loadLibrary(Sys.java:81)
    3. org.lwjgl.Sys.<clinit>(Sys.java:98)
    4. org.lwjgl.opengl.Display.<clinit>(Display.java:132)
    4 frames
  6. MC Client
    Minecraft.run
    1. net.minecraft.client.Minecraft.a(SourceFile:180)
    2. net.minecraft.client.Minecraft.run(SourceFile:648)
    2 frames
  7. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:722)
    1 frame