From 3d2b7bd210356c20701ce51eaf60480b314ad1c8 Mon Sep 17 00:00:00 2001
From: Sven Rebhan <36194019+srebhan@users.noreply.github.com>
Date: Thu, 8 Sep 2022 21:55:24 +0200
Subject: [PATCH] fix: Do not error out for parsing errors in datadog mode.
 (#11777)

---
 plugins/inputs/statsd/statsd.go | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/plugins/inputs/statsd/statsd.go b/plugins/inputs/statsd/statsd.go
index a4e0431f3..eef1eb4be 100644
--- a/plugins/inputs/statsd/statsd.go
+++ b/plugins/inputs/statsd/statsd.go
@@ -516,15 +516,19 @@ func (s *Statsd) parser() error {
 				case line == "":
 				case s.DataDogExtensions && strings.HasPrefix(line, "_e"):
 					if err := s.parseEventMessage(in.Time, line, in.Addr); err != nil {
-						return err
+						// Log the line causing the parsing error and continue
+						// with the next line to not stop the whole gathering
+						// process.
+						s.Log.Errorf("Parsing line failed: %v", err)
+						s.Log.Debugf("  line was: %s", line)
 					}
 				default:
 					if err := s.parseStatsdLine(line); err != nil {
-						if errors.Cause(err) == errParsing {
-							// parsing errors log when the error occurs
-							continue
+						if errors.Cause(err) != errParsing {
+							// Ignore parsing errors but error out on
+							// everything else...
+							return err
 						}
-						return err
 					}
 				}
 			}