config fixed, session server timeout increased

config.js

@@ -1,5 +1,5 @@
 module.exports = {
-    port: process.env.PORT,
+    port: parseInt(process.env.PORT),
     database_url: process.env.DATABASE_URL,
     database_name: process.env.DATABASE_NAME,
     log_path: "./logs/runtime.log",

src/controllers/session.js

@@ -28,7 +28,7 @@ const create_session = async (req, res, next) => {
     var websocket_url = await run_session(session_server.url, session_id, title)
 
     if (!websocket_url) {
-        next(new not_found_error('websocket_url not valid'))
+        next(new not_found_error('can not run session'))
         return
     }
     

src/database/database.js

@@ -11,6 +11,7 @@ const get_db = async () => {
     try {
         await client.connect()
     } catch (err) {
+        console.log('can not connect to database')
         return null
     }
     return client.db(database_name)

src/modules/session_server.js

@@ -1,5 +1,6 @@
 var request = require('request')
-let max_response_timeout = 1000
+const max_response_timeout = 1000
+const max_run_session_timeout = 10000
 
 const get_fastest_session_server = async (free_servers) => {
     var fastest_server = null
@@ -44,7 +45,7 @@ const run_session = async (server_url, session_id, title) => {
     var options = {
         url: server_url + '/session/run',
         method: "POST",
-        timeout: max_response_timeout,
+        timeout: max_run_session_timeout,
         headers: {
             "content-type": "application/json"
         },