# Logstash upgrade 2.x -\> 5.x and kafka input

**URL:** <https://discuss.elastic.co/t/logstash-upgrade-2-x-5-x-and-kafka-input/76416>\
**Category:** Logstash\
**Created:** [February 24, 2017, 3:40pm UTC](https://discuss.elastic.co/t/logstash-upgrade-2-x-5-x-and-kafka-input/76416 "2017-02-24T15:40:56Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![carrot](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/carrot/32/44335_2.png) [@carrot](https://discuss.elastic.co/u/carrot)\
**Post date:** [February 24, 2017, 3:40pm UTC](https://discuss.elastic.co/t/logstash-upgrade-2-x-5-x-and-kafka-input/76416/1 "2017-02-24T15:40:56Z")

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Since new Kafka input is using bootstrap servers and not zookeeper anymore for offsets, how do I migrate from 2.x to 5.x?

Seems like the only option is change topic as my offsets don't work anymore.

Am I missing something?

Thanks.

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<div class="post-metadata">

**Author:** ![carrot](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/carrot/32/44335_2.png) [@carrot](https://discuss.elastic.co/u/carrot)\
**Post date:** [February 24, 2017, 5:46pm UTC](https://discuss.elastic.co/t/logstash-upgrade-2-x-5-x-and-kafka-input/76416/2 "2017-02-24T17:46:18Z")

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Looks like there is a pull request about this but was not committed. Unless somebody knows a workaround I guess I'll use the different topics.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 24, 2017, 5:46pm UTC](https://discuss.elastic.co/t/logstash-upgrade-2-x-5-x-and-kafka-input/76416/3 "2017-03-24T17:46:20Z")

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