fix(delayed): re-schedule updateDelay in case of error fixes #2015

CHANGELOG.md

@@ -5,7 +5,6 @@
 
 * **obliterate:** obliterate many jobs fixes [#2016](https://github.com/OptimalBits/bull/issues/2016) ([7a923b4](https://github.com/OptimalBits/bull/commit/7a923b468d5299bbdfe06d1ee7447fd810e2779b))
 
-# Changelog
 
 ## v.3.22.1
 

lib/queue.js

@@ -930,6 +930,14 @@ Queue.prototype.updateDelayTimer = function() {
     })
     .catch(err => {
       this.emit('error', err, 'Error updating the delay timer');
+      if (this.delayTimer) {
+        clearTimeout(this.delayTimer);
+      }
+
+      this.delayTimer = setTimeout(
+        () => this.updateDelayTimer(),
+        this.settings.guardInterval
+      );
     });
 };