Logstash插件未安裝

Question

我正在嘗試為logstash 1.5.0.beta1安裝kafka輸出插件 。
我之前已經使用命令完成了

$LS_HOME/bin/plugin install logstash-output-kafka 

如在logstash網站上給出的。

但是現在安裝給我以下錯誤：

Clamp::UsageError: No such sub-command 'logstash-output-kafka'
     signal_usage_error at /home/madhura/Softwares/logstash-1.5.0.beta1/vendor/bundle/jruby/1.9/gems/clamp-0.6.3/lib/clamp/command.rb:103
  find_subcommand_class at /home/madhura/Softwares/logstash-1.5.0.beta1/vendor/bundle/jruby/1.9/gems/clamp-0.6.3/lib/clamp/subcommand/execution.rb:28
  instatiate_subcommand at /home/madhura/Softwares/logstash-1.5.0.beta1/vendor/bundle/jruby/1.9/gems/clamp-0.6.3/lib/clamp/subcommand/execution.rb:17
                execute at /home/madhura/Softwares/logstash-1.5.0.beta1/vendor/bundle/jruby/1.9/gems/clamp-0.6.3/lib/clamp/subcommand/execution.rb:10
                    run at /home/madhura/Softwares/logstash-1.5.0.beta1/lib/logstash/runner.rb:144
                   call at org/jruby/RubyProc.java:271
                    run at /home/madhura/Softwares/logstash-1.5.0.beta1/lib/logstash/runner.rb:171
                   call at org/jruby/RubyProc.java:271
             initialize at /home/madhura/Softwares/logstash-1.5.0.beta1/vendor/bundle/jruby/1.9/gems/stud-0.0.18/lib/stud/task.rb:12

請幫助我找到原因並安裝插件

Answer 1

編輯：從Logstash 1.5.0開始，Kafka輸入/輸出本身受支持，請參閱： https ://www.elastic.co/blog/logstash-kafka-intro

在logstash-1.5.0.beta1（至少通過1.5.0.rc2）中，Kafka輸入/輸出插件隨基本logstash安裝一起提供：

.../logstash-1.5.0.beta1$ ./bin/plugin list | grep kafka
logstash-input-kafka (0.1.5)
logstash-output-kafka (0.1.3)