Install fluentd via ruby gems error

[Saranya Nagaraj]

I was installing fluent via rubygems n I faced below error.

I believe this is not an error related to fluent but w.r.t ruby.
Could some one suggest what the solution is

root@vc2cmmkb165230n bin]# ./gem install fluent-plugin-kafka --source http://rubygems.org
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> Building native extensions.  This could take a while...
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> /usr/local/rvm/rubies/ruby-2.4.0/lib/ruby/site_ruby/2.4.0/rubygems/ext/builder.rb:76: warning: Insecure world writable dir /opt in PATH, mode 040777
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> ERROR:  Error installing fluent-plugin-kafka:
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>         ERROR: Failed to build gem native extension.
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>  
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>     current directory: /usr/local/rvm/gems/ruby-2.4.0/gems/yajl-ruby-1.1.0/ext/yajl
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> /usr/local/rvm/rubies/ruby-2.4.0/bin/ruby -r ./siteconf20170516-28803-12pciyx.rb extconf.rb
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> creating Makefile
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>  
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> current directory: /usr/local/rvm/gems/ruby-2.4.0/gems/yajl-ruby-1.1.0/ext/yajl
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> make "DESTDIR=" clean
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>  
>
> current directory: /usr/local/rvm/gems/ruby-2.4.0/gems/yajl-ruby-1.1.0/ext/yajl
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> make "DESTDIR="
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> compiling yajl.c
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> compiling yajl_alloc.c
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> compiling yajl_buf.c
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> compiling yajl_encode.c
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> compiling yajl_ext.c
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> yajl_ext.c: In function ‘yajl_found_hash_key’:
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> yajl_ext.c:291: warning: ISO C90 forbids mixed declarations and code
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> yajl_ext.c: In function ‘rb_yajl_encoder_enable_json_gem_ext’:
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> yajl_ext.c:852: error: ‘rb_cFixnum’ undeclared (first use in this function)
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> yajl_ext.c:852: error: (Each undeclared identifier is reported only once
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> yajl_ext.c:852: error: for each function it appears in.)
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> At top level:
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> cc1: warning: unrecognized command line option "-Wno-self-assign"
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> cc1: warning: unrecognized command line option "-Wno-constant-logical-operand"
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> cc1: warning: unrecognized command line option "-Wno-parentheses-equality"
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> cc1: warning: unrecognized command line option "-Wno-tautological-compare"
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> make: *** [yajl_ext.o] Error 1
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>  
>
> make failed, exit code 2
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>  
>
> Gem files will remain installed in /usr/local/rvm/gems/ruby-2.4.0/gems/yajl-ruby-1.1.0 for inspection.
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> Results logged to /usr/local/rvm/gems/ruby-2.4.0/extensions/x86_64-linux/2.4.0/yajl-ruby-1.1.0/gem_make.out
>

[Mr. Fiber]

Because you tries to install older yajl-ruby which doesn't support ruby 2.4.

Please install latest yajl-ruby.

Masahiro

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[Saranya Nagaraj]

Hi Masahiro ,

Thankyou that helped. However faced few issues like below. Please guide.

I installed fluentd via rubygems
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>  
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> And as per doc executed these commands to ensure fluentd is running successfully.
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> When I executed this command “fluentd -c ./fluent/fluent.conf -vv &”
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> The output just seems to be growing like below which doesn’t stop. What does this indicate? Is this expected behavior??
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>  
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> 2017-05-17 08:49:24 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:49:30 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:49:35 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:49:41 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:49:46 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:49:52 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:49:57 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:50:03 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:50:08 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=70255636807420
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> 2017-05-17 08:50:14 -0400 [trace]: #0 [forward_output] enqueueing all chunks in buffer instance=7025563
>

[Mr. Fiber]

> Is this expected behavior?

Yes because you enable trace level logging.

>