From 6463cfc76701d8fba705b8850075c0ee6b98dcbb Mon Sep 17 00:00:00 2001
From: Bjørn Christian Seime <bjorncs@yahooinc.com>
Date: Thu, 21 Jul 2022 16:16:27 +0200
Subject: Improve error message

---
 .../src/main/java/com/yahoo/security/tls/ConnectionAuthContext.java     | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'security-utils/src/main/java/com/yahoo')

diff --git a/security-utils/src/main/java/com/yahoo/security/tls/ConnectionAuthContext.java b/security-utils/src/main/java/com/yahoo/security/tls/ConnectionAuthContext.java
index a28dab16d08..5292b70a43f 100644
--- a/security-utils/src/main/java/com/yahoo/security/tls/ConnectionAuthContext.java
+++ b/security-utils/src/main/java/com/yahoo/security/tls/ConnectionAuthContext.java
@@ -73,7 +73,7 @@ public record ConnectionAuthContext(List<X509Certificate> peerCertificateChain,
         }
         b.append(". Peer ");
         if (peer != null) b.append("'").append(peer).append("' ");
-        return b.append("with ").append(peerCertificateString()).append(". Requires capabilities ")
+        return b.append("with ").append(peerCertificateString().orElse("<missing-certificate>")).append(". Requires capabilities ")
                 .append(required.toNames()).append(" but peer has ").append(capabilities.toNames())
                 .append(".").toString();
     }
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