# Logstash 5.4 - Repeated deserialization errors and losing data with Persistent Queues

**URL:** <https://discuss.elastic.co/t/logstash-5-4-repeated-deserialization-errors-and-losing-data-with-persistent-queues/91503>\
**Category:** Logstash\
**Created:** [July 1, 2017, 1:56am UTC](https://discuss.elastic.co/t/logstash-5-4-repeated-deserialization-errors-and-losing-data-with-persistent-queues/91503 "2017-07-01T01:56:47Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![subhasdan](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/subhasdan/32/19690_2.png) [@subhasdan](https://discuss.elastic.co/u/subhasdan)\
**Post date:** [July 1, 2017, 2:02am UTC](https://discuss.elastic.co/t/logstash-5-4-repeated-deserialization-errors-and-losing-data-with-persistent-queues/91503/4 "2017-07-01T02:02:33Z")

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The error stack trace is very similar to: [Logstash Crash with Persistent Queue and Kafka Input](https://discuss.elastic.co/t/logstash-crash-with-persistent-queue-and-kafka-input/90479/3) except that issue uses Kafka, we use PQs.

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_[View the full topic](https://discuss.elastic.co/t/logstash-5-4-repeated-deserialization-errors-and-losing-data-with-persistent-queues/91503)._