From 65cc852eb7adcd80c6e102910fd8541ff81e6f65 Mon Sep 17 00:00:00 2001
From: Eric Lippmann <eric.lippmann@icinga.com>
Date: Mon, 8 Nov 2021 15:11:07 +0100
Subject: [PATCH] Use the empty string for probing the Icinga 2 API

Using null results in an argument type error.
---
 library/Icingadb/Command/Transport/ApiCommandTransport.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/Icingadb/Command/Transport/ApiCommandTransport.php b/library/Icingadb/Command/Transport/ApiCommandTransport.php
index 2d09bcf9..674a3397 100644
--- a/library/Icingadb/Command/Transport/ApiCommandTransport.php
+++ b/library/Icingadb/Command/Transport/ApiCommandTransport.php
@@ -312,7 +312,7 @@ class ApiCommandTransport implements CommandTransportInterface
     {
         try {
             $response = (new Client())
-                ->get($this->getUriFor(null), [
+                ->get($this->getUriFor(''), [
                     'auth'          => [$this->getUsername(), $this->getPassword()],
                     'headers'       => ['Accept' => 'application/json'],
                     'http_errors'   => false,