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  1. Minecraft: Java Edition
  2. MC-58834

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

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    • Icon: Bug Bug
    • Resolution: Duplicate
    • None
    • Minecraft 1.7.10-pre4
    • None
    • Unconfirmed

      This is an automatically generated report based from the following crash: http://hopper.minecraft.net/crashes/minecraft/MCX-1620828/

      Crash:

      java.lang.UnsupportedOperationException: Unexpected change in protocol to null
      	at bjs.a(SourceFile:126)
      	at ej.a(SourceFile:167)
      	at bjr.a(SourceFile:245)
      	at bfz.e(SourceFile:108)
      

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

      ---- Minecraft Crash Report ----
      // This doesn't make any sense!
      
      Time: 6/18/14 7:34 PM
      Description: Ticking screen
      
      java.lang.UnsupportedOperationException: Unexpected change in protocol to null
      	at bjs.a(SourceFile:126)
      	at ej.a(SourceFile:167)
      	at bjr.a(SourceFile:245)
      	at bfz.e(SourceFile:108)
      	at bao.p(SourceFile:1343)
      	at bao.ak(SourceFile:774)
      	at bao.f(SourceFile:728)
      	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 bjs.a(SourceFile:126)
      	at ej.a(SourceFile:167)
      	at bjr.a(SourceFile:245)
      	at bfz.e(SourceFile:108)
      
      -- Affected screen --
      Details:
      	Screen name: bfz
      Stacktrace:
      	at bao.p(SourceFile:1343)
      	at bao.ak(SourceFile:774)
      	at bao.f(SourceFile:728)
      	at net.minecraft.client.main.Main.main(SourceFile:148)
      
      -- System Details --
      Details:
      	Minecraft Version: 1.7.10-pre4
      	Operating System: Mac OS X (x86_64) version 10.6.8
      	Java Version: 1.6.0_65, Apple Inc.
      	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
      	Memory: 292059352 bytes (278 MB) / 1069416448 bytes (1019 MB) up to 1069416448 bytes (1019 MB)
      	JVM Flags: 1 total; -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: 1.7.10-pre4
      	LWJGL: 2.9.1
      	OpenGL: NVIDIA GeForce 7300 GT OpenGL Engine GL version 2.1 NVIDIA-1.6.36, NVIDIA Corporation
      	GL Caps: Using GL 1.3 multitexturing.
      Using framebuffer objects because EXT_framebuffer_object 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: English (US)
      	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-1620828/68788481/

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              Created:
              Updated:
              Resolved: