>>>>> "Colin" == Colin Charles <byte@xxxxxxxxxxx> writes: Colin> Downloaded the http://juploadr.sourceforge.net/ (at version 0.6) - this Colin> is a cross-platform Flickr uploader Cool. I downloaded this and tried it. It worked fine for me on my x86 FC4 machine. Colin> Exception in thread "main" java.lang.UnsatisfiedLinkError: Colin> g_utf16_to_utf8 What version of gtk2 do you have? I have gtk2-2.6.7-4 Colin> (/usr/lib/eclipse/plugins/org.eclipse.swt.gtk_3.1.0.jar.so) Colin> at org.eclipse.swt.internal.Converter.wcsToMbcs(java.lang.String, Colin> java.lang.String, boolean) Nice, the class .db is pulling in the .so even though jUploadr ships its own SWT. That means the bits are the same and you're getting precompilation "magically" :-) Tom