diff --git a/System/Pool/Connection.php b/System/Pool/Connection.php
index ebd722b0..7b192afb 100644
--- a/System/Pool/Connection.php
+++ b/System/Pool/Connection.php
@@ -157,7 +157,7 @@ class Connection extends Pool
 		}
 		[$time, $connections] = $this->get($coroutineName);
 		if (!($connections instanceof PDO)) {
-			throw new Exception('Database exception.');
+			return $this->newClient($config, $coroutineName);
 		}
 		return Context::setContext($coroutineName, $connections);
 	}
diff --git a/System/Pool/Redis.php b/System/Pool/Redis.php
index e589e6a8..b5d9d388 100644
--- a/System/Pool/Redis.php
+++ b/System/Pool/Redis.php
@@ -52,7 +52,7 @@ class Redis extends Pool
 		}
 		[$time, $clients] = $this->get($coroutineName);
 		if ($clients === null) {
-			throw new Exception('Redis exception.');
+			return $this->newClient($config, $coroutineName);
 		}
 		return Context::setContext($coroutineName, $clients);
 	}