# Could not find or load main class Files\\logstash-6.6.0\\logstash-core\\lib\\jars\\commons-codec-1.11.jar

**URL:** <https://discuss.elastic.co/t/could-not-find-or-load-main-class-files-logstash-6-6-0-logstash-core-lib-jars-commons-codec-1-11-jar/167738>\
**Category:** Logstash\
**Created:** [February 10, 2019, 6:01am UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-files-logstash-6-6-0-logstash-core-lib-jars-commons-codec-1-11-jar/167738 "2019-02-10T06:01:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Joji\_P\_Cherian](https://avatars.discourse-cdn.com/v4/letter/j/c4cdca/32.png) [@Joji\_P\_Cherian](https://discuss.elastic.co/u/Joji_P_Cherian)\
**Post date:** [February 10, 2019, 6:01am UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-files-logstash-6-6-0-logstash-core-lib-jars-commons-codec-1-11-jar/167738/1 "2019-02-10T06:01:36Z")

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Hi,  
When I run the cmd bin\logstash.bat -f logstash.conf , I get the error " Could not find or load main class Files\logstash-6.6.0\logstash-core\lib\jars\commons-codec-1.11.jar" .

Kindly Help

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 10, 2019, 6:01am UTC](https://discuss.elastic.co/t/could-not-find-or-load-main-class-files-logstash-6-6-0-logstash-core-lib-jars-commons-codec-1-11-jar/167738/2 "2019-03-10T06:01:42Z")

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