fix(retry): Fix retry strategy when all hosts are down (#420)

algolia · Oct 9, 2017 · 6e9056d · 6e9056d
1 parent 7ef09fa
commit 6e9056d
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/main/scala/algolia/HostsStatuses.scala b/src/main/scala/algolia/HostsStatuses.scala
@@ -54,7 +54,12 @@ case class HostsStatuses(configuration: AlgoliaClientConfiguration,
   def queryHostsThatAreUp(): Seq[String] = hostsThatAreUp(queryHosts)
 
   private def hostsThatAreUp(hosts: Seq[String]): Seq[String] = {
-    hosts.filter(h => isUpOrCouldBeRetried(getHostStatus(h)))
+    val filteredHosts = hosts.filter(h => isUpOrCouldBeRetried(getHostStatus(h)))
+    if (filteredHosts.isEmpty) {
+      hosts
+    } else {
+      filteredHosts
+    }
   }
 
   def isUpOrCouldBeRetried(hostStatus: HostStatus): Boolean =