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  1. Minecraft: Java Edition
  2. MC-10167

Failed to check session lock, aborting

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    • Icon: Bug Bug
    • Resolution: Invalid
    • None
    • Minecraft 1.4.7, Minecraft 1.5.2, Minecraft 1.6.2, Minecraft 1.6.4, Minecraft 13w42b, Minecraft 1.7.2
    • None
    • Unconfirmed


      Fix:
      Delete the file minecraft/saves/<worldname>/session.lock

      If you need more support, please use the Mojang Support Center.

      this is the crash report...

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

Time: 22/02/13 4:23 PM
Description: Updating screen events

java.lang.RuntimeException: Failed to check session lock, aborting
	at ahv.h(SourceFile:49)
	at ahv.<init>(SourceFile:35)
	at ahr.<init>(SourceFile:16)
	at ahs.a(SourceFile:78)
	at net.minecraft.client.Minecraft.a(SourceFile:1370)
	at auo.e(SourceFile:157)
	at auo.a(SourceFile:122)
	at aul.a(SourceFile:72)
	at aul.d(SourceFile:127)
	at aul.m(SourceFile:111)
	at net.minecraft.client.Minecraft.l(SourceFile:1086)
	at net.minecraft.client.Minecraft.J(SourceFile:582)
	at net.minecraft.client.Minecraft.run(SourceFile:534)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
	at ahv.h(SourceFile:49)
	at ahv.<init>(SourceFile:35)
	at ahr.<init>(SourceFile:16)
	at ahs.a(SourceFile:78)
	at net.minecraft.client.Minecraft.a(SourceFile:1370)
	at auo.e(SourceFile:157)
	at auo.a(SourceFile:122)
	at aul.a(SourceFile:72)
	at aul.d(SourceFile:127)
	at aul.m(SourceFile:111)

-- Affected screen --
Details:
	Screen name: bey
Stacktrace:
	at net.minecraft.client.Minecraft.l(SourceFile:1086)
	at net.minecraft.client.Minecraft.J(SourceFile:582)
	at net.minecraft.client.Minecraft.run(SourceFile:534)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.4.7
	Operating System: Windows 7 (x86) version 6.1
	Java Version: 1.6.0_30, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Sun Microsystems Inc.
	Memory: 486058432 bytes (463 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 2 total; -Xms512m -Xmx1024m
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: No suspicious classes found.
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	LWJGL: 2.4.2
	OpenGL: AMD Radeon HD 7640G GL version 4.2.11476 Compatibility Profile Context, ATI Technologies Inc.
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Texture Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerExce

        1. crash-2018-11-17_21.12.01-client.txt
          3 kB

            Unassigned Unassigned
            blaster1324 Thomas Ariss
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              Created:
              Updated:
              Resolved:
              CHK: