recover panics in consumer

internal/adapters/adapters.go

@@ -11,7 +11,7 @@ type CachedWorkQueue interface {
 		cacheLifetime time.Duration,
 		cacheKey string,
 		taskPayload []byte,
-	) ([]byte, error)
+	) (result []byte, err error)
 }
 
 type QueueConsumer interface {

internal/adapters/natsadapter/natsadapter.go

@@ -115,10 +115,18 @@ func (na *NatsAdapter) ConsumeQueue(
 			log.Errorf("task seq=%d inProgress: %v", seq, err)
 		}
 		log.Infof("got task seq=%d payload=%s", seq, msg.Data())
+
+		defer func() {
+			if err := recover(); err != nil {
+				log.Errorf("recovered panic from consumer: %v", err)
+			}
+		}()
 		cacheKey, resultPayload, taskErr := taskFunc(msg.Data())
+
 		if err := msg.DoubleAck(ctx); err != nil {
 			log.Errorf("double ack seq=%d: %v", seq, err)
 		}
+
 		if taskErr != nil {
 			log.Errorf("taskFunc seq=%d error, discarding task: %v", seq, taskErr)
 			if err := msg.Nak(); err != nil {
@@ -126,6 +134,7 @@ func (na *NatsAdapter) ConsumeQueue(
 			}
 			return
 		}
+
 		log.Infof("task seq=%d cachekey=%s finished, payload=%.100s", seq, cacheKey, resultPayload)
 		if _, err := na.kv.Put(ctx, cacheKey, resultPayload); err != nil {
 			log.Errorf("put seq=%d to cache: %v", seq, err)