当I ./logstash -f test.conf时，它将显示错误

Question

2017-01-05T15:18:50,554 logstash.agent管道因错误{:exception=>#， :backtrace=>"file:/opt/elk/logstash-5.0.1/vendor/jruby/lib/jruby.jar!/jruby/java/core_ext/module.rb:45:in const\_missing'", "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/manticore-0.6.0-java/lib/manticore/client.rb:587:inssl_socket_factory_from_options'"， "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/manticore-0.6.0-java/lib/manticore/client.rb:394:in pool\_builder'", "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/manticore-0.6.0-java/lib/manticore/client.rb:402:in池‘“， "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/manticore-0.6.0-java/lib/manticore/client.rb:208:in initialize'", "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-5.2.1-java/lib/logstash/outputs/elasticsearch/http\_client/manticore\_adapter.rb:19:in初始化‘“， "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-5.2.1-java/lib/logstash/outputs/elasticsearch/http_client.rb:125:in build\_pool'", "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-5.2.1-java/lib/logstash/outputs/elasticsearch/http\_client.rb:20:in初始化‘“， "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-5.2.1-java/lib/logstash/outputs/elasticsearch/http_client_builder.rb:53:in build'", "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-5.2.1-java/lib/logstash/outputs/elasticsearch.rb:188:inbuild_client‘， "/opt/elk/logstash-5.0.1/vendor/bundle/jruby/1.9/gems/logstash-output-elasticsearch-5.2.1-java/lib/logstash/outputs/elasticsearch/common.rb:13:in register'", "/opt/elk/logstash-5.0.1/logstash-core/lib/logstash/output\_delegator\_strategies/shared.rb:8:in寄存器‘， "/opt/elk/logstash-5.0.1/logstash-core/lib/logstash/output_delegator.rb:37:in register'", "/opt/elk/logstash-5.0.1/logstash-core/lib/logstash/pipeline.rb:196:instart_workers‘， org/jruby/RubyArray.java:1613:ineach'", "/opt/elk/logstash-5.0.1/logstash-core/lib/logstash/pipeline.rb:196:instart_workers‘， "/opt/elk/logstash-5.0.1/logstash-core/lib/logstash/pipeline.rb:153:in run'", "/opt/elk/logstash-5.0.1/logstash-core/lib/logstash/agent.rb:250:instart_pipeline'"}

Answer 1

尝试通过export CLASSPATH=""清空CLASSPATH，然后运行logstash命令trying，因为我认为它在它试图设置的应用程序中有预定义的路径，如果该路径已经存在，那么它就会产生冲突。