- Don't do any rename action if the field doesn't exist (LOGSTASH-757)

The test previously written to verify this bug now passes.
mrmichalis · Dec 11, 2012 · a0cfc1d · a0cfc1d
1 parent 5b401ae
commit a0cfc1d
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/logstash/filters/mutate.rb b/lib/logstash/filters/mutate.rb
@@ -155,8 +155,8 @@ def remove(event)
   def rename(event)
     # TODO(sissel): use event.sprintf on the field names?
     @rename.each do |old, new|
-      event[new] = event[old]
-      event.remove(old)
+      next unless event.include?(old)
+      event[new] = event.remove(old)
     end
   end # def rename