MinecraftForge/FML — pull request #578 by HEmile (2014-12-23 19:31:34+00:00)
Title: Fixed getEffectiveSide() for Netty Server threads

The method getEffectiveSide() in FMLCommonHandler that uses thread analysis to determine what thread it is currently executed from would not work with Server threads that handle Netty messages. Server Netty threads have as naming "Netty Server IO #" , and there can be multiple, therefore the .startsWith().