spring project -> Properties -> Java Class Path -> libraries -> External Jar -> Located my jar used to call the c# methods.

spring project -> Properties -> Java Class Path -> libraries -> Located external jar added -> expand -> highlight Native Library Locaton -> path to where my dll's are located

MyJavaCallingComObject testObj = new MyJavaCallingComObject ();
testObj.GetDetails("John Doe");

GetDetails = supposed to return user information given the user name

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (os_windows_x86.cpp:143), pid=8644, tid=10476
#  guarantee(result == EXCEPTION_CONTINUE_EXECUTION) failed: Unexpected result from topLevelExceptionFilter
#
# JRE version: Java(TM) SE Runtime Environment (7.0_51-b13) (build 1.7.0_51-b13)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.51-b03 mixed mode windows-amd64 compressed oops)
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#