Unknown output plugin

[Piyush Agarwal]

Hi All,

I have following plugin(file-alternative) installed in my mac machine at

/Library/Ruby/Gems/2.0.0/gems/fluent-plugin-file-alternative-0.1.5

still i am getting this error

config error file="/etc/td-agent/td-agent.conf" error="Unknown output plugin 'file_alternative'. Run 'gem search -rd fluent-plugin' to find plugins"

[Masahiro Nakagawa]

It's not td-agent gem path.

Use /opt/td-agent/embedded/bin/fluent-gem instead of gem command.

See this article: http://docs.fluentd.org/articles/faq#i-installed-td-agent-and-want-to-add-custom-plugins-how-do-i-do-it

Use above path instead of /usr/lib/fluent/ruby/bin/fluent-gem.

/usr/lib/fluent/ruby/bin/fluent-gem. is for td-agent 1.x.

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[Piyush Agarwal]

Thanks for the reply.

Solution worked on my mac.

On my linux machine

locate fluent-plugin-file-alternative

/root/.gem/specs/rubygems.org%80/quick/Marshal.4.8/fluent-plugin-file-alternative-0.1.5.gemspec

and 

sudo /usr/lib/fluent/ruby/bin/fluent-gem list

*** LOCAL GEMS ***

aws-sdk (1.38.0)

bigdecimal (1.1.0)

bson (1.10.2, 1.8.6)

bson_ext (1.8.6)

bundler (1.3.6)

cool.io (1.1.1)

diff-lcs (1.2.5)

fluent-logger (0.4.9)

fluent-mixin-config-placeholders (0.2.4)

fluent-mixin-plaintextformatter (0.2.6)

fluent-plugin-flume (0.1.1)

fluent-plugin-mongo (0.7.3)

fluent-plugin-rewrite-tag-filter (1.4.1)

fluent-plugin-s3 (0.4.0)

fluent-plugin-scribe (0.10.10)

fluent-plugin-td (0.10.20)

fluent-plugin-td-monitoring (0.1.2)

fluent-plugin-webhdfs (0.2.2)

fluentd (0.10.50)

git (1.2.7)

hirb (0.7.2)

http_parser.rb (0.5.1)

httpclient (2.3.4.1)

io-console (0.3)

iobuffer (1.1.2)

ipaddress (0.8.0)

jeweler (1.6.2)

json (1.7.7, 1.5.5)

ltsv (0.1.0)

mini_portile (0.6.0)

minitest (2.5.1)

mixlib-cli (1.5.0)

mixlib-config (2.1.0)

mixlib-log (1.6.0)

mixlib-shellout (1.4.0)

mongo (1.8.6)

msgpack (0.4.7)

nokogiri (1.5.10)

ohai (6.20.0)

parallel (0.6.5)

rake (0.9.2.2)

rdoc (3.9.5)

rspec (3.0.0)

rspec-core (3.0.1)

rspec-expectations (3.0.1)

rspec-mocks (3.0.1)

rspec-support (3.0.0)

rubyzip (0.9.9)

sigdump (0.2.2)

string-scrub (0.0.3)

systemu (2.5.2)

td (0.10.99)

td-client (0.8.61)

td-logger (0.3.23)

thrift (0.8.0)

uuidtools (2.1.4)

webhdfs (0.5.5)

yajl-ruby (1.1.0)

i am installing fluent-plugin -file-alternative by

fluent-gem install fluent-plugin-file-alternative

but still no changes 

and when i start td-agent 

config error file="/etc/td-agent/td-agent.conf" error="Unknown output plugin 'file_alternative'. Run 'gem search -rd fluent-plugin' to find plugins"

[Masahiro Nakagawa]

How about "sudo /usr/lib/fluent/ruby/bin/fluent-gem install" instead of fluent-gem command?

td-agent's fluent-gem is not visible by default.

Maybe, your fluent-gem is not td-agent's fluent-gem or RVM cause the problem.

If you use RVM, see this thread: https://groups.google.com/forum/#!msg/fluentd/ekODAaJuS9M/GiHscqhC3Q8J