Use Nokogiri as the ActiveSupport XML backendsh-use-nokogiri-xml-backend

This significantly improves performance and reduces memory consumption
when parsing XML files. On a test with 124 JUnit files from a CE build,
there was about a 4x reduction in processing time.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/54068

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/gitlab/ci/parsers/test/junit.rb b/lib/gitlab/ci/parsers/test/junit.rb
index ed5a79d9b9b..2791730fd26 100644
--- a/lib/gitlab/ci/parsers/test/junit.rb
+++ b/lib/gitlab/ci/parsers/test/junit.rb
@@ -14,7 +14,7 @@ module Gitlab
               test_case = create_test_case(test_case)
               test_suite.add_test_case(test_case)
             end
-          rescue REXML::ParseException
+          rescue Nokogiri::XML::SyntaxError
             raise JunitParserError, "XML parsing failed"
           rescue
             raise JunitParserError, "JUnit parsing failed"