From 4e336c91b638bdd4944f3aba52f4d0e89cdc364d Mon Sep 17 00:00:00 2001
From: Thomas Nordquist <xxnerowingerxx@gmail.com>
Date: Sat, 26 Jan 2019 00:03:57 +0100
Subject: [PATCH] Don't throw on subscription error, let frontend handle the
 rror

---
 backend/src/DataSource/MqttSource.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend/src/DataSource/MqttSource.ts b/backend/src/DataSource/MqttSource.ts
index f43d048..248a9dd 100644
--- a/backend/src/DataSource/MqttSource.ts
+++ b/backend/src/DataSource/MqttSource.ts
@@ -63,12 +63,12 @@ export class MqttSource implements DataSource<MqttOptions> {
       this.stateMachine.setConnected(true)
       client.subscribe(this.rootSubscription, (err: Error) => {
         if (err) {
-          throw new Error('mqtt subscription failed')
+          this.stateMachine.setError(err)
         }
       })
       client.subscribe('$SYS/#', (err: Error) => {
         if (err) {
-          throw new Error('mqtt subscription failed')
+          console.error('failed to subscribe to sys topic', err)
         }
       })
     })