From 37bb297e76a3da6939941fcdd143dac9c06f333e Mon Sep 17 00:00:00 2001
From: Richard Hansen <rhansen@rhansen.org>
Date: Thu, 4 Mar 2021 20:37:37 -0500
Subject: [PATCH] Changeset: Improve logged error message

I saw this on a production system today and wanted more information.
---
 src/static/js/Changeset.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/static/js/Changeset.js b/src/static/js/Changeset.js
index b5e72f477..bdf25f7de 100644
--- a/src/static/js/Changeset.js
+++ b/src/static/js/Changeset.js
@@ -907,7 +907,11 @@ const textLinesMutator = (lines) => {
       // there may be more chars in the line (newline is not reached)
       const sline = putCurLineInSplice();
       if (!curSplice[sline]) {
-        console.error('curSplice[sline] not populated, actual curSplice contents is ', curSplice, '. Possibly related to https://github.com/ether/etherpad-lite/issues/2802');
+        const err = new Error(
+            'curSplice[sline] not populated, actual curSplice contents is ' +
+            `${JSON.stringify(curSplice)}. Possibly related to ` +
+            'https://github.com/ether/etherpad-lite/issues/2802');
+        console.error(err.stack || err.toString());
       }
       curSplice[sline] = curSplice[sline].substring(0, curCol) + text +
           curSplice[sline].substring(curCol);