# Using Logstash to read from a log file and then output each log lines to Kafka topic, cannot understand why it is not putting file content to kafka topic specified in conf file

**URL:** <https://discuss.elastic.co/t/using-logstash-to-read-from-a-log-file-and-then-output-each-log-lines-to-kafka-topic-cannot-understand-why-it-is-not-putting-file-content-to-kafka-topic-specified-in-conf-file/365499>\
**Category:** Logstash\
**Created:** [August 25, 2024, 10:31am UTC](https://discuss.elastic.co/t/using-logstash-to-read-from-a-log-file-and-then-output-each-log-lines-to-kafka-topic-cannot-understand-why-it-is-not-putting-file-content-to-kafka-topic-specified-in-conf-file/365499 "2024-08-25T10:31:22Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Rios](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/rios/32/95745_2.png) [@Rios](https://discuss.elastic.co/u/Rios)\
**Post date:** [August 25, 2024, 1:12pm UTC](https://discuss.elastic.co/t/using-logstash-to-read-from-a-log-file-and-then-output-each-log-lines-to-kafka-topic-cannot-understand-why-it-is-not-putting-file-content-to-kafka-topic-specified-in-conf-file/365499/2 "2024-08-25T13:12:39Z")

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The same issue [here](https://discuss.elastic.co/t/logstash-seems-to-be-working-but-no-indices-in-kibana/364444/3), you should change slashes to backslashes:

`path => "C:/Users/LENOVO/Downloads/ms1/logs/xelerate_system.log"`

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_[View the full topic](https://discuss.elastic.co/t/using-logstash-to-read-from-a-log-file-and-then-output-each-log-lines-to-kafka-topic-cannot-understand-why-it-is-not-putting-file-content-to-kafka-topic-specified-in-conf-file/365499)._