From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Tue, 9 Jul 2024 21:18:56 +0000 (-0600)
Subject: Provide a better error message.
X-Git-Tag: v9.6.0-rc1~114^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F17239%2Fhead;p=dealii.git

Provide a better error message.
---

diff --git a/source/base/parameter_handler.cc b/source/base/parameter_handler.cc
index 15ccac94b2..a5a6317bef 100644
--- a/source/base/parameter_handler.cc
+++ b/source/base/parameter_handler.cc
@@ -581,7 +581,9 @@ ParameterHandler::parse_input(const std::string &filename,
     parse_input_from_json(is, skip_undefined);
   else
     AssertThrow(false,
-                ExcMessage("Unknown input file name extension. Supported types "
+                ExcMessage("The given input file <" + filename +
+                           "> has a file name extension <" + file_ending +
+                           "> that is not recognized. Supported types "
                            "are .prm, .xml, and .json."));
 
   if (assert_mandatory_entries_are_found)