dsfdsf

index.js

@@ -63,7 +63,10 @@ process.on('SIGTERM', exitHandler.bind(null, { cleanup: true }));
  * request handler
  */
 app.post('/', async (req, res, next) => {
-    browser.get(req.body).then(html => res.send(html)).catch(e => {
+    browser.get(req.body).then(html => {
+        if (html) res.send(html)
+        else throw new Error('Emtpy html')
+    }).catch(e => {
         if (e instanceof NoSuchSessionError) {
             logger.error({ reason: e.message, url: req.url }, 'Browser session expired')
         } else {

src/component/SeleniumBrowser.js

@@ -112,6 +112,10 @@ class SeleniumBrowser {
                     .then(html => {
                         this.pool.release(driver)
                         return html
+                    }).catch(err => {
+                        logger.error({message: err.message}, 'Wait element failed') 
+                        this.pool.release(driver)
+                        return ''
                     })
             } else {
                 this.pool.release(driver)