com.mysql.jdbc.Driver not loaded. Are you sure you've included the correct jdbc driver in :jdbc_driver_library?

巨坑的一个问题，困扰了我一个多礼拜。今天才发现是驱动包不对导致的，一直都以为是docker的路径问题，各种查问题。

错误信息：

[2019-07-30T09:22:00,865][ERROR][logstash.inputs.jdbc ] Failed to load ./mysql-connector-java-5.1.47.jar {:exception=>#}

{ 2016 rufus-scheduler intercepted an error:

2016 job:

2016 Rufus::Scheduler::CronJob "* * * * *" {}

2016 error:

2016 2016

2016 LogStash::ConfigurationError

2016 com.mysql.jdbc.Driver not loaded. Are you sure you've included the correct jdbc driver in :jdbc_driver_library?

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-jdbc-4.3.13/lib/logstash/plugin_mixins/jdbc/jdbc.rb:163:in `open_jdbc_connection'

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-jdbc-4.3.13/lib/logstash/plugin_mixins/jdbc/jdbc.rb:221:in `execute_statement'

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-jdbc-4.3.13/lib/logstash/inputs/jdbc.rb:277:in `execute_query'

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/logstash-input-jdbc-4.3.13/lib/logstash/inputs/jdbc.rb:258:in `block in run'

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/rufus-scheduler-3.0.9/lib/rufus/scheduler/jobs.rb:234:in `do_call'

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/rufus-scheduler-3.0.9/lib/rufus/scheduler/jobs.rb:258:in `do_trigger'

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/rufus-scheduler-3.0.9/lib/rufus/scheduler/jobs.rb:300:in `block in start_work_thread'

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/rufus-scheduler-3.0.9/lib/rufus/scheduler/jobs.rb:299:in `block in start_work_thread'

2016 org/jruby/RubyKernel.java:1425:in `loop'

2016 /usr/share/logstash/vendor/bundle/jruby/2.5.0/gems/rufus-scheduler-3.0.9/lib/rufus/scheduler/jobs.rb:289:in `block in start_work_thread'

2016 tz:

2016 ENV['TZ']:

2016 Time.now: 2019-07-30 09:22:00 UTC

2016 scheduler:

2016 object_id: 2006

2016 opts:

2016 {:max_work_threads=>1}

2016 frequency: 0.3

2016 scheduler_lock: #<:scheduler::nulllock:0x154e31c4>

2016 trigger_lock: #<:scheduler::nulllock:0x174acfce>

2016 uptime: 21.659418 (21s661)

2016 down?: false

2016 threads: 2

2016 thread: #<0x3cc4aa81>0x3cc4aa81>

2016 thread_key: rufus_scheduler_2006

2016 work_threads: 1

2016 active: 1

2016 vacant: 0

2016 max_work_threads: 1

2016 mutexes: {}

2016 jobs: 1

2016 at_jobs: 0

2016 in_jobs: 0

2016 every_jobs: 0

2016 interval_jobs: 0

2016 cron_jobs: 1

2016 running_jobs: 1

2016 work_queue: 0

} 2016 .

后面发现，是我的驱动包引用错误，并不是路径映射的问题，还是得认真一点啊，这么的破问题，搞了这么久