Merge pull request #8547 from printercu/patch-1

fix for messages in invalid encoding from db-drivers

Conflicts:
	activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
	activerecord/test/cases/connection_adapters/abstract_adapter_test.rb

1 files changed, 6 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index a8453b2bae..fa24d9b43f 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -457,7 +457,12 @@ module ActiveRecord
       end
 
       def translate_exception_class(e, sql)
-        message = "#{e.class.name}: #{e.message}: #{sql}"
+        begin
+          message = "#{e.class.name}: #{e.message}: #{sql}"
+        rescue Encoding::CompatibilityError
+          message = "#{e.class.name}: #{e.message.force_encoding sql.encoding}: #{sql}"
+        end
+
         @logger.error message if @logger
         exception = translate_exception(e, message)
         exception.set_backtrace e.backtrace