# LogStash::ConfigurationError", :message=\>"Expected one of #, {, ,, \] at line **URL:** \ **Category:** Logstash\ **Created:** [April 22, 2018, 11:00am UTC](https://discuss.elastic.co/t/logstash-configurationerror-message-expected-one-of-at-line/128999 "2018-04-22T11:00:36Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![binnzafar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/binnzafar/32/30293_2.png) [@binnzafar](https://discuss.elastic.co/u/binnzafar)\ **Post date:** [April 22, 2018, 11:00am UTC](https://discuss.elastic.co/t/logstash-configurationerror-message-expected-one-of-at-line/128999/1 "2018-04-22T11:00:37Z")
Dear all, i am uploading a csv file with the following code > input { > file { > path =\>"C:/Users/welcome/Dropbox/IT\_Department/ElasticSearchProjects/ResultAnalysis/Data/Semester\*.csv" > start\_position =\> "beginning" > sincedb\_path =\> "/dev/null" > } > } > filter { > csv { > separator =\> "," > columns =\> [columns =\> ["CourseCode","CourseTitle","TotalRegistered","AttendFinalExam","TotalDebarred","Pass","Fail","A","AMinus","BPlus","B","BMinus","CPlus","C","CMinus","D","F","NoOFABGrades","NoOFCGrades","NoOFDFGrades","Level","Semester","Department"] > } > mutate {convert =\> ["TotalRegistered", "integer"] } > mutate {convert =\> ["AttendFinalExam", "integer"] } > mutate {convert =\> ["TotalDebarred", "integer"] } > mutate {convert =\> ["Pass", "integer"] } > mutate {convert =\> ["Fail", "integer"] } > mutate {convert =\> ["A", "integer"] } > mutate {convert =\> ["AMinus", "integer"] } > mutate {convert =\> ["BPlus", "integer"] } > mutate {convert =\> ["B", "integer"] } > mutate {convert =\> ["BMinus", "integer"] } > mutate {convert =\> ["CPlus", "integer"] } > mutate {convert =\> ["C", "integer"] } > mutate {convert =\> ["CMinus", "integer"] } > mutate {convert =\> ["D", "integer"] } > mutate {convert =\> ["F", "integer"] } > mutate {convert =\> ["NoOFABGrades", "integer"] } > mutate {convert =\> ["NoOFCGrades", "integer"] } > mutate {convert =\> ["NoOFDFGrades", "integer"] } > } > output { > elasticsearch { > user =\> admin > password =\> admin > hosts =\> "[https://hadoop.hct.org](https://hadoop.hct.org)" > index =\> "hctindex" > ssl =\> false > ssl\_certificate\_verification =\> false > cacert =\> "C:\Elastic\Elasticsearch\6.2.2\config\CN=hadoop.hct.org.crtfull.pem" > document\_type =\> "resultanalysisdocument" > } > stdout {} > } when i run this code, i receive the following error > C:\Elastic\logstash-6.2.2\bin\>logstash -f C:\Users\welcome\Dropbox\IT\_Department\ElasticSearchProjects\ResultAnalysis\logstash\_ResultAnalysis.config > Sending Logstash's logs to C:/Elastic/logstash-6.2.2/logs which is now configured via log4j2.properties > [2018-04-22T14:56:04,551][INFO][logstash.modules.scaffold] Initializing module {:module\_name=\>"fb\_apache", :directory=\>"C:/Elastic/logstash-6.2.2/modules/fb\_apache/configuration"} > [2018-04-22T14:56:04,567][INFO][logstash.modules.scaffold] Initializing module {:module\_name=\>"netflow", :directory=\>"C:/Elastic/logstash-6.2.2/modules/netflow/configuration"} > [2018-04-22T14:56:04,801][WARN][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified > [2018-04-22T14:56:05,270][INFO][logstash.runner] Starting Logstash {"logstash.version"=\>"6.2.2"} > [2018-04-22T14:56:05,692][INFO][logstash.agent] Successfully started Logstash API endpoint {:port=\>9600} > [2018-04-22T14:56:06,004][ERROR][logstash.agent] Failed to execute action {:action=\>LogStash::PipelineAction::Create/pipeline\_id:main, :exception=\>"LogStash::ConfigurationError", :message=\>"Expected one of #, {, ,, ] at line 11, column 21 (byte 234) after filter {\ncsv {\nseparator =\> ","\ncolumns =\> [columns ", :backtrace=\>["C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/compiler.rb:42:in `compile_imperative'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/compiler.rb:50:in `compile\_graph'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/compiler.rb:12:in `block in compile_sources'", "org/jruby/RubyArray.java:2486:in `map'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/compiler.rb:11:in `compile_sources'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/pipeline.rb:51:in `initialize'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/pipeline.rb:169:in `initialize'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/pipeline_action/create.rb:40:in `execute'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/agent.rb:315:in `block in converge_state'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/agent.rb:141:in `with\_pipelines'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/agent.rb:312:in `block in converge_state'", "org/jruby/RubyArray.java:1734:in `each'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/agent.rb:299:in `converge_state'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/agent.rb:166:in `block in converge\_state\_and\_update'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/agent.rb:141:in `with_pipelines'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/agent.rb:164:in `converge\_state\_and\_update'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/agent.rb:90:in `execute'", "C:/Elastic/logstash-6.2.2/logstash-core/lib/logstash/runner.rb:348:in `block in execute'", "C:/Elastic/logstash-6.2.2/vendor/bundle/jruby/2.3.0/gems/stud-0.0.23/lib/stud/task.rb:24:in `block in initialize'"]} C:\Elastic\logstash-6.2.2\bin\> can anyone guide me what is the problem? ---
**Author:** ![Christian\_Dahlqvist](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/christian_dahlqvist/32/4617_2.png) [@Christian\_Dahlqvist](https://discuss.elastic.co/u/Christian_Dahlqvist)\ **Post date:** [April 22, 2018, 11:29am UTC](https://discuss.elastic.co/t/logstash-configurationerror-message-expected-one-of-at-line/128999/2 "2018-04-22T11:29:35Z")
> [@binnzafar](#): > > columns =\> [columns =\> This line looks suspect. Should probably be just `columns =>`. ---
**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\ **Post date:** [April 22, 2018, 8:09pm UTC](https://discuss.elastic.co/t/logstash-configurationerror-message-expected-one-of-at-line/128999/3 "2018-04-22T20:09:05Z")
> sincedb\_path =\> "/dev/null" On Windows use "nul" instead of "/dev/null". ---
**Author:** ![binnzafar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/binnzafar/32/30293_2.png) [@binnzafar](https://discuss.elastic.co/u/binnzafar)\ **Post date:** [April 23, 2018, 4:24am UTC](https://discuss.elastic.co/t/logstash-configurationerror-message-expected-one-of-at-line/128999/4 "2018-04-23T04:24:24Z")
thank you so much. ---
**Author:** ![binnzafar](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/binnzafar/32/30293_2.png) [@binnzafar](https://discuss.elastic.co/u/binnzafar)\ **Post date:** [April 25, 2018, 6:35am UTC](https://discuss.elastic.co/t/logstash-configurationerror-message-expected-one-of-at-line/128999/5 "2018-04-25T06:35:43Z")
i will keep this in mind. thanks dear. ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [May 23, 2018, 6:50am UTC](https://discuss.elastic.co/t/logstash-configurationerror-message-expected-one-of-at-line/128999/6 "2018-05-23T06:50:13Z")
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