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  1. Minecraft: Java Edition
  2. MC-189336

Shifting around servers in the server list crashes the game (ArrayIndexOutOfBoundsException)


    • Icon: Bug Bug
    • Resolution: Fixed
    • 1.17 Pre-release 1
    • 1.15.2, 1.16 Pre-release 5, 1.16.4
    • None
    • Confirmed
    • Crash
    • Very Important

      The bug

      When holding down shift and pressing an arrow key to move servers in the list, moving it when it is already at the bottom of the list, and press shift+down, the game crashes.

      How to reproduce

      1. You'll need quite the server list, so you can press and hold shift+up so it keeps shifting a server up
      2. Do that (press and hold shift+up to shift up multiple times) and then press and hold shift+down to shift it down repeatedly
      3. When you reach the bottom of the list, the auto shift thing throws an error

      Note: it doesn't seem to work on the top of the list.

      Crash report

      1.15.2: crash-2020-06-13_11.54.48-client.txt
      Description: keyPressed event handler
      java.lang.ArrayIndexOutOfBoundsException: -1
      	at java.util.ArrayList.elementData(ArrayList.java:418)
      	at java.util.ArrayList.get(ArrayList.java:431)
      	at dnv.a(SourceFile:60)
      	at dnv.a(SourceFile:76)
      	at dii$d.a(SourceFile:412)
      	at dii$d.keyPressed(SourceFile:403)
      	at ddr.keyPressed(SourceFile:64)
      	at dcr.keyPressed(SourceFile:375)
      	at dii.keyPressed(SourceFile:70)
      	at ddr.keyPressed(SourceFile:64)
      	at dgb.keyPressed(SourceFile:98)
      	at dig.keyPressed(SourceFile:185)
      	at dbl.a(SourceFile:336)
      	at dbl$$Lambda$1939/1470898703.run(Unknown Source)
      	at dgb.wrapScreenError(SourceFile:447)
      	at dbl.a(SourceFile:334)
      	at dbl.c(SourceFile:429)
      	at dbl$$Lambda$1938/823663080.run(Unknown Source)
      	at ais.execute(SourceFile:94)
      	at dbl.b(SourceFile:429)
      	at dbl$$Lambda$1508/1004728150.invoke(Unknown Source)
      	at org.lwjgl.glfw.GLFWKeyCallbackI.callback(GLFWKeyCallbackI.java:37)
      	at org.lwjgl.system.JNI.invokeV(Native Method)
      	at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174)
      	at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:123)
      	at dbn.d(SourceFile:1015)
      	at dbn.d(SourceFile:619)
      	at net.minecraft.client.main.Main.main(SourceFile:204)

            panda4994 [Mojang] Panda
            CenTdemeern1 Timo Herngreen
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            4 Start watching this issue