fluent-plugin-sql fails with fluentd v0.14.0.rc.3 (error="undefined method `key')

[kakoni]

Testing RC3 with fluent-plugin-sql.
out-sql fails because

2016-05-25 11:10:32 +0300 [warn]: failed to flush the buffer. plugin_id="object:3fc15cdfc728" retry_time=0 next_retry=2016-05-25 11:10:33 +0300 chunk="533a63190cdc0d19f6dd96b
a60e49317" error_class=NoMethodError error="undefined method `key' for #<Fluent::Plugin::Buffer::MemoryChunk:0x007f82be13ab30>"
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/dev/fluentd/lib/fluent/plugin/out_sql.rb:224:in `block (2 levels) in write'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/dev/fluentd/lib/fluent/plugin/out_sql.rb:223:in `each'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/dev/fluentd/lib/fluent/plugin/out_sql.rb:223:in `block in write'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/.gem/ruby/2.3.0/gems/activerecord-4.2.6/lib/active_record/connection_adapters/abstract/connection_pool.rb:292:in `with_conne
ction'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/dev/fluentd/lib/fluent/plugin/out_sql.rb:221:in `write'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/.gem/ruby/2.3.0/bundler/gems/fluentd-69df4fe63215/lib/fluent/compat/output.rb:109:in `write'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/.gem/ruby/2.3.0/bundler/gems/fluentd-69df4fe63215/lib/fluent/plugin/output.rb:778:in `try_flush'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/.gem/ruby/2.3.0/bundler/gems/fluentd-69df4fe63215/lib/fluent/plugin/output.rb:953:in `flush_thread_run'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/.gem/ruby/2.3.0/bundler/gems/fluentd-69df4fe63215/lib/fluent/plugin/output.rb:360:in `block (2 levels) in start'
  2016-05-25 11:10:33 +0300 [warn]: /Users/kakoni/.gem/ruby/2.3.0/bundler/gems/fluentd-69df4fe63215/lib/fluent/plugin_helper/thread.rb:66:in `block in thread_create'

[tagomoris]

@kakoni Thank you for reporting!
I pushed a change to fix this issue. Can you fetch & install fluentd from branch fix-compat-buffered-output-overrides-emit to check this problem?

[kakoni]

Confirmed, fix-compat-buffered-output-overrides-emit fixes this issue.

[tagomoris]

Great. Thank you!

[tagomoris]

#992 was merged.