1.開啟logstash資料夾下該目錄，如下所示路徑：

2.更改其sources路徑：

3.將其路徑更改如下所示,改成https://gems.ruby-china.org.

此前安裝步驟請看之前的博文。

該目錄裡面有該logstash裡面的input和output輸入輸出目錄如下圖所示：

# This is a Logstash generated Gemfile.
# If you modify this file manually all comments and formatting will be lost.

source "https://gems.ruby-china.org

"
gem "logstash-core", :path => "./logstash-core"
gem "logstash-core-plugin-api", :path => "./logstash-core-plugin-api"
gem "paquet", "~> 0.2.0"
gem "ruby-progressbar", "~> 1.8.1"
gem "builder", "~> 3.2.2"
gem "ci_reporter_rspec", "1.0.0", :group => :development
gem "tins", "1.6", :group => :development
gem "rspec", "~> 3.5", :group => :development
gem "logstash-devutils", "= 1.3.5", :group => :development
gem "benchmark-ips", :group => :development
gem "octokit", "3.8.0", :group => :build
gem "stud", "~> 0.0.22", :group => :build
gem "fpm", "~> 1.3.3", :group => :build
gem "rubyzip", "~> 1.2.1", :group => :build
gem "gems", "~> 0.8.3", :group => :build
gem "rack-test", :require => "rack/test", :group => :development
gem "flores", "~> 0.0.6", :group => :development
gem "term-ansicolor", "~> 1.3.2", :group => :development
gem "json-schema", "~> 2.6", :group => :development
gem "belzebuth", :group => :development
gem "pleaserun", "~>0.0.28"
gem "webrick", "~> 1.3.1"
gem "atomic", "<= 1.1.99"
gem "rake", "~> 12.2.1", :group => :build
gem "logstash-codec-cef"
gem "logstash-codec-collectd"
gem "logstash-codec-dots"
gem "logstash-codec-edn"
gem "logstash-codec-edn_lines"
gem "logstash-codec-es_bulk"
gem "logstash-codec-fluent"
gem "logstash-codec-graphite"
gem "logstash-codec-json"
gem "logstash-codec-json_lines"
gem "logstash-codec-line"
gem "logstash-codec-msgpack"
gem "logstash-codec-multiline"
gem "logstash-codec-netflow", ">=3.14.1", "<4.0.0"
gem "logstash-codec-plain"
gem "logstash-codec-rubydebug"
gem "logstash-filter-aggregate"
gem "logstash-filter-anonymize"
gem "logstash-filter-cidr"
gem "logstash-filter-clone"
gem "logstash-filter-csv"
gem "logstash-filter-date"
gem "logstash-filter-de_dot"
gem "logstash-filter-dissect"
gem "logstash-filter-dns"
gem "logstash-filter-drop"
gem "logstash-filter-elasticsearch"
gem "logstash-filter-fingerprint"
gem "logstash-filter-geoip"
gem "logstash-filter-grok"
gem "logstash-filter-jdbc_static"
gem "logstash-filter-jdbc_streaming"
gem "logstash-filter-json"
gem "logstash-filter-kv"
gem "logstash-filter-metrics"
gem "logstash-filter-mutate"
gem "logstash-filter-ruby"
gem "logstash-filter-sleep"
gem "logstash-filter-split"
gem "logstash-filter-syslog_pri"
gem "logstash-filter-throttle"
gem "logstash-filter-translate"
gem "logstash-filter-truncate"
gem "logstash-filter-urldecode"
gem "logstash-filter-useragent"
gem "logstash-filter-xml"
gem "logstash-input-beats"
gem "logstash-input-azure_event_hubs"
gem "logstash-input-dead_letter_queue"
gem "logstash-input-elasticsearch"
gem "logstash-input-exec"
gem "logstash-input-file"
gem "logstash-input-ganglia"
gem "logstash-input-gelf"
gem "logstash-input-generator"
gem "logstash-input-graphite"
gem "logstash-input-heartbeat"
gem "logstash-input-http"
gem "logstash-input-http_poller"
gem "logstash-input-imap"
gem "logstash-input-jdbc"
gem "logstash-input-kafka"
gem "logstash-input-pipe"
gem "logstash-input-rabbitmq"
gem "logstash-input-redis"
gem "logstash-input-s3"
gem "logstash-input-snmptrap"
gem "logstash-input-sqs"
gem "logstash-input-stdin"
gem "logstash-input-syslog"
gem "logstash-input-tcp"
gem "logstash-input-twitter"
gem "logstash-input-udp"
gem "logstash-input-unix"
gem "logstash-output-cloudwatch"
gem "logstash-output-csv"
gem "logstash-output-elasticsearch"
gem "logstash-output-email"
gem "logstash-output-file"
gem "logstash-output-graphite"
gem "logstash-output-http"
gem "logstash-output-kafka"
gem "logstash-output-lumberjack"
gem "logstash-output-nagios"
gem "logstash-output-null"
gem "logstash-output-pagerduty"
gem "logstash-output-pipe"
gem "logstash-output-rabbitmq"
gem "logstash-output-redis"
gem "logstash-output-s3", ">=4.0.9", "<5.0.0"
gem "logstash-output-sns"
gem "logstash-output-sqs"
gem "logstash-output-stdout"
gem "logstash-output-tcp"
gem "logstash-output-udp"
gem "logstash-output-webhdfs"

4.進入bin目錄下，執行logstash-plugin install logstash-input-jdbc

出現如下資訊：

安裝如下圖所示：

安裝出現了錯誤，去解決這個錯誤：

安裝過程中出現的問題解決如下：

輸入如下的安裝命名即可，並附上安裝成功的圖

輸入如下安裝命令：logstash-plugin install --no-verify logstash-input-jdbc