# Logstash :: What Would a NULL Returned from an External Program Mean?

**URL:** <https://discuss.elastic.co/t/logstash-what-would-a-null-returned-from-an-external-program-mean/251170>\
**Category:** Logstash\
**Created:** [October 6, 2020, 6:04pm UTC](https://discuss.elastic.co/t/logstash-what-would-a-null-returned-from-an-external-program-mean/251170 "2020-10-06T18:04:06Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![redapplesonly](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/redapplesonly/32/57700_2.png) [@redapplesonly](https://discuss.elastic.co/u/redapplesonly)\
**Post date:** [October 9, 2020, 8:58pm UTC](https://discuss.elastic.co/t/logstash-what-would-a-null-returned-from-an-external-program-mean/251170/2 "2020-10-09T20:58:31Z")

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EDIT: [I've rewritten my post here](https://discuss.elastic.co/t/java-memory-error-from-a-ruby-script/251611). Please disregard/delete this one.

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_[View the full topic](https://discuss.elastic.co/t/logstash-what-would-a-null-returned-from-an-external-program-mean/251170)._