Handle LoadError properly

Sometimes LoadError is raised while loading oj gem, even if oj gem is installed. Therefore we want to see the correct message of LoadError. For example, Alpine Linux provides the package ruby which does not include bigdecimal and provides ruby-bigdecimal. Signed-off-by: Kenji Okimoto <[email protected]>
fluent · Sep 25, 2018 · 05b17c0 · 05b17c0
1 parent 19b6cd6
commit 05b17c0
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/lib/fluent/plugin/parser_json.rb b/lib/fluent/plugin/parser_json.rb
@@ -52,9 +52,15 @@ def configure_json_parser(name)
         else
           raise "BUG: unknown json parser specified: #{name}"
         end
-      rescue LoadError
+      rescue LoadError => ex
         name = :yajl
-        log.info "Oj is not installed, and failing back to Yajl for json parser" if log
+        if log
+          if /\boj\z/ =~ ex.message
+            log.info "Oj is not installed, and failing back to Yajl for json parser"
+          else
+            log.warn ex.message
+          end
+        end
         retry
       end