Loading Native DLLs in JSP/servlets

[Brett Slocum]

OK, I've got an object that needs to load a native DLL. So, I put the
System.loadLibrary(...) call in the constructor for that object. This
object is called from three different JSPs that instantiate the object.

When I run the JSP for the first time, I get the following error
message (even though the JavaDoc says that System.loadLibrary() won't
throw an exception, if the library is already loaded):

java.lang.UnsatisfiedLinkError: Native Library
C:\WINNT\AcordeInterfaceJNI.dll already loaded in another classloader

So, what's going on and how can I get this to work? Has anyone done
something like this before?

 

[Tom Dyess]

OK, I've got an object that needs to load a native DLL. So, I put the
System.loadLibrary(...) call in the constructor for that object. This
object is called from three different JSPs that instantiate the object.

When I run the JSP for the first time, I get the following error
message (even though the JavaDoc says that System.loadLibrary() won't
throw an exception, if the library is already loaded):

java.lang.UnsatisfiedLinkError: Native Library
C:\WINNT\AcordeInterfaceJNI.dll already loaded in another classloader

So, what's going on and how can I get this to work? Has anyone done
something like this before?

I get this when calling a COM object through JACOB when Eclipse
automatically builds and reloads the context after saving a file and Tomcat
is running in debug mode. I don't know if this helps.