app/src/main/java/org/apache/roller/weblogger/ui/rendering/servlets/PreviewResourceServlet.java [143:170]:
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                log.debug("Unable to get resource", ex);
                response.sendError(HttpServletResponse.SC_NOT_FOUND);
                if(resourceStream != null) {
                    resourceStream.close();
                }
                return;
            }
        }

        // Respond with 304 Not Modified if it is not modified.
        if (ModDateHeaderUtil.respondIfNotModified(request, response,
                resourceLastMod, resourceRequest.getDeviceType())) {
            return;
        } else {
            // set last-modified date
            ModDateHeaderUtil.setLastModifiedHeader(response, resourceLastMod,
                    resourceRequest.getDeviceType());
        }

        // set the content type based on whatever is in our web.xml mime defs
        response.setContentType(this.context.getMimeType(resourceRequest
                .getResourcePath()));

        try {
            // ok, lets serve up the file
            resourceStream.transferTo(response.getOutputStream());

        } catch (IOException ex) {
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app/src/main/java/org/apache/roller/weblogger/ui/rendering/servlets/ResourceServlet.java [142:169]:
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                log.debug("Unable to get resource", ex);
                response.sendError(HttpServletResponse.SC_NOT_FOUND);
                if(resourceStream != null) {
                    resourceStream.close();
                }
                return;
            }
        }

        // Respond with 304 Not Modified if it is not modified.
        if (ModDateHeaderUtil.respondIfNotModified(request, response,
                resourceLastMod, resourceRequest.getDeviceType())) {
            return;
        } else {
            // set last-modified date
            ModDateHeaderUtil.setLastModifiedHeader(response, resourceLastMod,
                    resourceRequest.getDeviceType());
        }

        // set the content type based on whatever is in our web.xml mime defs
        response.setContentType(this.context.getMimeType(resourceRequest
                .getResourcePath()));

        try {
            // ok, lets serve up the file
            resourceStream.transferTo(response.getOutputStream());

        } catch (IOException ex) {
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