Better error handling for mercury reader.

node/newsblur.coffee

@@ -40,7 +40,7 @@ if ENV_PROD
   app.get "/debug", (req, res) ->
     throw new Error("Debugging Sentry")
 
-  app.use(Sentry.Handlers.errorHandler())
+  app.use Sentry.Handlers.errorHandler()
   log.debug "Setting up Sentry debugging: #{process.env.SENTRY_DSN.substr(0, 20)}..."
 
 log.debug "Starting NewsBlur Node Server: #{process.env.SERVER_NAME || 'localhost'}"

node/original_text.coffee

@@ -31,5 +31,10 @@ original_text = (app) =>
         Mercury.parse(url).then (result) => 
             log.debug "Fetched: #{url}"
             res.end JSON.stringify result
+        .catch (error) =>
+            log.debug "Failed to fetch: #{url}: #{error}"
+            throw new Error("Failed to fetch: #{url}: #{error}")
+            return res.end JSON.stringify error: "Failed to fetch #{url}: #{error}"
+
 
 exports.original_text = original_text

node/original_text.js

@@ -41,6 +41,12 @@
       return Mercury.parse(url).then((result) => {
         log.debug(`Fetched: ${url}`);
         return res.end(JSON.stringify(result));
+      }).catch((error) => {
+        log.debug(`Failed to fetch: ${url}: ${error}`);
+        throw new Error(`Failed to fetch: ${url}: ${error}`);
+        return res.end(JSON.stringify({
+          error: `Failed to fetch ${url}: ${error}`
+        }));
       });
     });
   };