I am trying out my pluggable provider implementation on Tomcat 4.0. My provider is in a jar file called Filesystem.jar, which I placed in Tomcat's lib folder. When I try to invoke the service, I get the following error: Ouch, the call failed: Fault Code = SOAP-ENV:Server Fault java.lang.String = Can't load provider 'com.markrichman.filesystem.FilesystemProvider' Can't load provider 'com.markrichman.filesystem.FilesystemProvider' Here is my `jar tvf Filesystem.jar`: 0 Thu Aug 09 12:39:16 EDT 2001 META-INF/ 68 Thu Aug 09 12:39:16 EDT 2001 META-INF/MANIFEST.MF 0 Thu Aug 09 08:46:36 EDT 2001 com/ 0 Thu Aug 09 08:46:36 EDT 2001 com/markrichman/ 0 Thu Aug 09 08:46:38 EDT 2001 com/markrichman/filesystem/ 4937 Thu Aug 09 12:37:50 EDT 2001 com/markrichman/filesystem/Filesystem.class 1726 Thu Aug 09 12:37:50 EDT 2001 com/markrichman/filesystem/FilesystemClient.class 3238 Thu Aug 09 12:37:50 EDT 2001 com/markrichman/filesystem/FilesystemDAO.class 6438 Thu Aug 09 12:37:50 EDT 2001 com/markrichman/filesystem/FilesystemProvider.class 10549 Thu Aug 09 12:37:50 EDT 2001 com/markrichman/filesystem/FilesystemProxy.class Can someone help me please? Thanks, Mark