What I expected to happen was...:
I went to single player and when I tried to load my game I got this error screen. I don't use any mods.
Minecraft has crashed! ---------------------- Minecraft has stopped running because it encountered a problem; Rendering screen We were unable to save this report to a file. --- BEGIN ERROR REPORT 62808a77 -------- Generated 2/27/13 7:58 PM -- Head -- Stacktrace: at ahw.h(SourceFile:49) at ahw.<init>(SourceFile:35) at ahs.<init>(SourceFile:16) at aht.a(SourceFile:78) at net.minecraft.client.Minecraft.a(SourceFile:1371) at avb.e(SourceFile:157) at avc.a(SourceFile:205) at ava.a(SourceFile:175) at avb.a(SourceFile:178) -- Screen render details -- Details: Screen name: bfm Mouse location: Scaled: (179, 102). Absolute: (359, 274) Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2 Stacktrace: at bbb.b(SourceFile:774) at net.minecraft.client.Minecraft.J(SourceFile:605) at net.minecraft.client.Minecraft.run(SourceFile:534) at java.lang.Thread.run(Unknown Source) -- System Details -- Details: Minecraft Version: 13w01a Operating System: Windows 7 (amd64) version 6.1 Java Version: 1.7.0_15, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 479485688 bytes (457 MB) / 514523136 bytes (490 MB) up to 954466304 bytes (910 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 6310 Graphics GL version 4.1.10834 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: Sphax PureBDCraft 128x MC14 Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null java.lang.RuntimeException: Failed to check session lock, aborting at ahw.h(SourceFile:49) at ahw.<init>(SourceFile:35) at ahs.<init>(SourceFile:16) at aht.a(SourceFile:78) at net.minecraft.client.Minecraft.a(SourceFile:1371) at avb.e(SourceFile:157) at avc.a(SourceFile:205) at ava.a(SourceFile:175) at avb.a(SourceFile:178) at bbb.b(SourceFile:774) at net.minecraft.client.Minecraft.J(SourceFile:605) at net.minecraft.client.Minecraft.run(SourceFile:534) at java.lang.Thread.run(Unknown Source) --- END ERROR REPORT 6f41caa9 ----------
- duplicates
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MC-10167 Failed to check session lock, aborting
- Resolved