--- "Ho, Sam" <[EMAIL PROTECTED]> wrote: > Hi, All > My servlet use a DLL, currently the DLL is located > at window system32 and in the webapp's WEB-INF/lib. > But I sometimes got the "UnsatisfiedLinkError". Can > anyone tell me where should the DLL put? and what > kind of system variable I need to set for the tomcat > classloader to load the DLL? I am using Window XP > Pro. > Any suggestions or Hints, I will be very appreciate! > > Thanks > Sam If you are using loadLibrary then you need to have it on the path which "system32" satisfies. Putting it under WEB-INF/lib isn't doing anything for you (if using loadLibrary). You could use System.load and get the exact loacation of the file using the servlet methods to get the full path and then call that to load the file directly without leaving it up to path loading and name matching. I do this when I want definite version control over the version of a library I'm using. Now, for the UnsatisfiedLinkError, have you debugged this? One, debug the java code (you can run the debugger in tomcat just like other java applications). Step to the line or set a break point and see what other setup maybe isn't getting initialized when this happens. Next, but probably what I would actually do first, debug your C library. Setup a breakpoint in the entry point (DllMain) and see if it is loading or starting to load and maybe bombing out there......it may be bombing out in some static section of your DLL before you even get to your entry point.
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