From eb9141cbf5be78231c510c3c8278cdc8d81f5002 Mon Sep 17 00:00:00 2001
From: Dmitry Kropachev <dmitry.kropachev@gmail.com>
Date: Fri, 20 Dec 2024 09:29:46 -0400
Subject: [PATCH] Don't panic on unknown error

Currently driver panics on unknown error.
It is better to return generic error with maximum available information
in it.
---
 errors.go     | 4 ++++
 frame.go      | 4 +++-
 frame_test.go | 2 --
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/errors.go b/errors.go
index 4fb372683..bafaab6ff 100644
--- a/errors.go
+++ b/errors.go
@@ -197,6 +197,10 @@ type RequestErrCASWriteUnknown struct {
 	BlockFor    int
 }
 
+type UnknownServerError struct {
+	errorFrame
+}
+
 type OpType uint8
 
 const (
diff --git a/frame.go b/frame.go
index d7e6b8dc4..8d82d4b4f 100644
--- a/frame.go
+++ b/frame.go
@@ -723,7 +723,9 @@ func (f *framer) parseErrorFrame() frame {
 			res.RejectedByCoordinator = f.readByte() != 0
 			return res
 		} else {
-			panic(fmt.Errorf("unknown error code: 0x%x", errD.code))
+			return &UnknownServerError{
+				errorFrame: errD,
+			}
 		}
 	}
 }
diff --git a/frame_test.go b/frame_test.go
index 28cc783b3..29da03b37 100644
--- a/frame_test.go
+++ b/frame_test.go
@@ -25,8 +25,6 @@ func TestFuzzBugs(t *testing.T) {
 			"0000000"),
 		[]byte("\x82\xe600\x00\x00\x00\x000"),
 		[]byte("\x8200\b\x00\x00\x00\b0\x00\x00\x00\x040000"),
-		[]byte("\x8200\x00\x00\x00\x00\x100\x00\x00\x12\x00\x00\x0000000" +
-			"00000"),
 		[]byte("\x83000\b\x00\x00\x00\x14\x00\x00\x00\x020000000" +
 			"000000000"),
 		[]byte("\x83000\b\x00\x00\x000\x00\x00\x00\x04\x00\x1000000" +