How to access a 64 bit DLL from MATRIXx UCB

I have a third party LIB and DLL (I don't have source code) that I need to integrate into a MATRIXx simulation. They are compiled as 64 bit binaries, which won't link into a 32bit MatrixX solution. I am opening MATRIXx from the VisualStudio x64 Win64 command prompt to define the correct environment variables.
The actual error is from the Visual Studio 2010 linker:
error LNK2019: unresolved external symbol Library_SetPath referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_AddLibrary referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Symbol_SetFunctionPtr referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Symbol_SetPrototype referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Symbol_SetCallingConv referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Symbol_SetNameMangling referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Symbol_SetExport referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Symbol_SetName referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Object_AddSymbol referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Object_SetLanguage referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Object_SetPath referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_AddObject referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Include_SetLanguage referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Include_SetPath referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_AddInclude referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Define_SetLanguage referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Define_SetValue referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol Define_SetName referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_AddDefine referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_SetDebug referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_SetRTLibLinkage referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_SetBuildTime referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_SetBuildProcess referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_SetArchitecture referenced in function DynamicLib_Initialize
error LNK2019: unresolved external symbol DynamicLib_SetXmlVersion referenced in function DynamicLib_Initialize
I have tracked most of these references to libUcbUtil.lib. All of the copies of this file in MATRIXx 7.2.6 are 32bit. Is there a 64 bit version of libUcbUtil? More importantly, am I on the right path to resolution or will I ultimately be asking for a complete 64 bit delivery of MATRIXx?
Thanks,
Kevin

Are you certain that is what is actually happening via. Wireshark or some other packet sniffer? Yes, I verified with wireshark that the jar is indeed being redownloaded each time getResource is called.
The reason I ask is that the plug-in was changed in recent times to not report the true path of a jar on the file system. Perhaps that is what you are seeing in the logs. The URL that is created by getResource looks like this:
jar:http://localhost:8080/jar/applet.jar!/com/homepage/images/icon1.pngThis URL obviously references the remote jar rather than the local jar. So I guess the real question is how do I reference the local jar?

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