From fccf42d4d528e9850a2138a91151be9f471cc673 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Amaury=20Lev=C3=A9?= <amauryleve@microsoft.com>
Date: Mon, 18 Jul 2022 16:56:57 +0200
Subject: [PATCH] Avoid potential ArgumentNullException

---
 src/datacollector/DataCollectorMain.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/datacollector/DataCollectorMain.cs b/src/datacollector/DataCollectorMain.cs
index 4fc0c28747..89b77bd4b5 100644
--- a/src/datacollector/DataCollectorMain.cs
+++ b/src/datacollector/DataCollectorMain.cs
@@ -128,7 +128,10 @@ public void Run(string[]? args)
             });
 
         // Get server port and initialize communication.
-        int port = argsDictionary.TryGetValue(PortArgument, out var portValue) ? int.Parse(portValue!, CultureInfo.CurrentCulture) : 0;
+        int port = argsDictionary.TryGetValue(PortArgument, out var portValue)
+            && int.TryParse(portValue, NumberStyles.Integer, CultureInfo.CurrentCulture, out var p)
+            ? p
+            : 0;
 
         if (port <= 0)
         {