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  1. Minecraft: Java Edition
  2. MC-49853

Hopper: java.lang.UnsupportedOperationException: Unexpected change in protocol to HANDSHAKING

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • Minecraft 1.7.5
    • None
    • Unconfirmed

      This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-1427954/

      Crash:

      java.lang.UnsupportedOperationException: Unexpected change in protocol to HANDSHAKING
      	at bkr.a(SourceFile:126)
      	at eg.a(SourceFile:159)
      	at bkq.a(SourceFile:245)
      	at bgz.c(SourceFile:108)
      

      The following is the first clean report made public about this crash:

      ---- Minecraft Crash Report ----
      // Hi. I'm Minecraft, and I'm a crashaholic.
      
      Time: 26/02/14 12:28
      Description: Ticking screen
      
      java.lang.UnsupportedOperationException: Unexpected change in protocol to null
      	at bkr.a(SourceFile:126)
      	at eg.a(SourceFile:159)
      	at bkq.a(SourceFile:245)
      	at bgz.c(SourceFile:108)
      	at azl.p(SourceFile:1318)
      	at azl.ah(SourceFile:757)
      	at azl.f(SourceFile:711)
      	at net.minecraft.client.main.Main.main(SourceFile:148)
      
      
      A detailed walkthrough of the error, its code path and all known details is as follows:
      ---------------------------------------------------------------------------------------
      
      -- Head --
      Stacktrace:
      	at bkr.a(SourceFile:126)
      	at eg.a(SourceFile:159)
      	at bkq.a(SourceFile:245)
      	at bgz.c(SourceFile:108)
      
      -- Affected screen --
      Details:
      	Screen name: bgz
      Stacktrace:
      	at azl.p(SourceFile:1318)
      	at azl.ah(SourceFile:757)
      	at azl.f(SourceFile:711)
      	at net.minecraft.client.main.Main.main(SourceFile:148)
      
      -- System Details --
      Details:
      	Minecraft Version: 1.7.5
      	Operating System: Windows 7 (amd64) version 6.1
      	Java Version: 1.7.0_51, Oracle Corporation
      	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
      	Memory: 241457456 bytes (230 MB) / 343408640 bytes (327 MB) up to 954728448 bytes (910 MB)
      	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
      	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
      	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
      	Launched Version: 1.7.5
      	LWJGL: 2.9.1
      	OpenGL: GeForce GT 525M/PCI/SSE2 GL version 4.1.0, NVIDIA Corporation
      	GL Caps: Using GL 1.3 multitexturing.
      Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
      Anisotropic filtering is supported and maximum anisotropy is 16.
      Shaders are available because OpenGL 2.1 is supported.
      
      	Is Modded: Probably not. Jar signature remains and client brand is untouched.
      	Type: Client (map_client.txt)
      	Resource Packs: []
      	Current Language: Français (France)
      	Profiler Position: N/A (disabled)
      	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
      	Anisotropic Filtering: Off (1)
      

      You can see this full report at http://hopper.minecraft.net/crashes/minecraft/MCX-1427954/66958490/

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              Created:
              Updated:
              Resolved: