From ffe1f6d37c331a560a9c00ec1627c0c5c99b629b Mon Sep 17 00:00:00 2001
From: ci <61233757+MaxAake@users.noreply.github.com>
Date: Mon, 15 Sep 2025 15:37:47 +0200
Subject: [PATCH 1/2] handle getting a non-neo4j error

---
 .../src/connection-provider/connection-provider-routing.js      | 2 +-
 .../connection-provider/connection-provider-routing.js          | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/bolt-connection/src/connection-provider/connection-provider-routing.js b/packages/bolt-connection/src/connection-provider/connection-provider-routing.js
index e69ce764b..74714ece8 100644
--- a/packages/bolt-connection/src/connection-provider/connection-provider-routing.js
+++ b/packages/bolt-connection/src/connection-provider/connection-provider-routing.js
@@ -817,7 +817,7 @@ function _isFailFastError (error) {
 }
 
 function _isFailFastSecurityError (error) {
-  return error.code.startsWith('Neo.ClientError.Security.') &&
+  return error.code?.startsWith('Neo.ClientError.Security.') &&
     ![
       AUTHORIZATION_EXPIRED_CODE
     ].includes(error.code)
diff --git a/packages/neo4j-driver-deno/lib/bolt-connection/connection-provider/connection-provider-routing.js b/packages/neo4j-driver-deno/lib/bolt-connection/connection-provider/connection-provider-routing.js
index 1fc1e8639..79c25160d 100644
--- a/packages/neo4j-driver-deno/lib/bolt-connection/connection-provider/connection-provider-routing.js
+++ b/packages/neo4j-driver-deno/lib/bolt-connection/connection-provider/connection-provider-routing.js
@@ -817,7 +817,7 @@ function _isFailFastError (error) {
 }
 
 function _isFailFastSecurityError (error) {
-  return error.code.startsWith('Neo.ClientError.Security.') &&
+  return error.code?.startsWith('Neo.ClientError.Security.') &&
     ![
       AUTHORIZATION_EXPIRED_CODE
     ].includes(error.code)

From 76998adef8749fe9e6bbcb1df27d5c4dd10e2bb9 Mon Sep 17 00:00:00 2001
From: ci <61233757+MaxAake@users.noreply.github.com>
Date: Mon, 15 Sep 2025 16:11:17 +0200
Subject: [PATCH 2/2] wrap browser write error

---
 packages/bolt-connection/src/channel/browser/browser-channel.js | 2 +-
 .../lib/bolt-connection/channel/browser/browser-channel.js      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/bolt-connection/src/channel/browser/browser-channel.js b/packages/bolt-connection/src/channel/browser/browser-channel.js
index 4d7fed9e8..1e47b079f 100644
--- a/packages/bolt-connection/src/channel/browser/browser-channel.js
+++ b/packages/bolt-connection/src/channel/browser/browser-channel.js
@@ -151,7 +151,7 @@ export default class WebSocketChannel {
           this._handleConnectionError()
         } else {
           // Some other error occured
-          throw error
+          throw newError('unexpected failure to write.', undefined, error)
         }
       }
     } else {
diff --git a/packages/neo4j-driver-deno/lib/bolt-connection/channel/browser/browser-channel.js b/packages/neo4j-driver-deno/lib/bolt-connection/channel/browser/browser-channel.js
index 1124d49a0..dd152ff6a 100644
--- a/packages/neo4j-driver-deno/lib/bolt-connection/channel/browser/browser-channel.js
+++ b/packages/neo4j-driver-deno/lib/bolt-connection/channel/browser/browser-channel.js
@@ -151,7 +151,7 @@ export default class WebSocketChannel {
           this._handleConnectionError()
         } else {
           // Some other error occured
-          throw error
+          throw newError('unexpected failure to write.', undefined, error)
         }
       }
     } else {