ServletContext.getResource is not returning a directory under WebLogic 9.2

Okay. With no answers forthcoming, I did some analysis and testing and discovered the following.
If the content type is plain text for a directory (as it is under weblogic), you can get the content of the url as an InputStream and read it.

I found that the InputStream returns a line (terminated by cr-lf) for each filename entry in the directory.

This turned out to be sufficient for my needs, so now the code parses the content in two ways:

1. as a directory under tomcat, and
2. as a plain text input stream under weblogic

I assume it is JRockit that is responsible for this rather odd content delivery, which could be considered a bug.

See the attached code snippet for details.

URLConnection uc = theFolderUrl.openConnection();
            Z.log.writeToLog(Z.log.DEBUG, "TD: resource type/length is:" + uc.getContentType() + "/" + uc.getContentLength());
            InputStream is = uc.getInputStream();
            InputStreamReader isr = new InputStreamReader(is, "UTF-8");
            BufferedReader br = new BufferedReader(isr);
            int fileCount = 0;
            while (true) {
              try {
                String fileName = br.readLine();
                fileCount++;
                //Z.log.writeToLog(Z.log.INFO, "TD: collected filename=" + fileName);
                if (fileName == null || fileCount > 500 ) break;
                theGifs.add(fileName);
              } catch(Exception e) {
                ErrorWriter.write(e, ErrorWriter.LOG);
                break;
              }
            }

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