# Elastic Endpoint - Filebeat - Java Error

**URL:** <https://discuss.elastic.co/t/elastic-endpoint-filebeat-java-error/282676>\
**Category:** Endpoint Security\
**Tags:** fleet\
**Created:** [August 27, 2021, 2:17pm UTC](https://discuss.elastic.co/t/elastic-endpoint-filebeat-java-error/282676 "2021-08-27T14:17:14Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![andrewkroh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/andrewkroh/32/3784_2.png) [@andrewkroh](https://discuss.elastic.co/u/andrewkroh)\
**Post date:** [September 23, 2021, 2:17pm UTC](https://discuss.elastic.co/t/elastic-endpoint-filebeat-java-error/282676/5 "2021-09-23T14:17:57Z")

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> [@mikemitchell](#):
>
> ```auto
> "error.message": [
> "Cannot invoke \\\"java.util.Map.size()\\\" because \\\"m\\\" is null"
> ],
> 
> ```

Could you share the full JSON event for one of these with the `error.message` to get more context on where and possibly why this is happening?

What version of the system integration are you running?

 ![Screen Shot 2021-09-23 at 10.15.41 AM](https://us1.discourse-cdn.com/elastic/original/3X/f/a/fab58aac8ce15c7d73f63ebe3ae7033f6fde73a8.png)

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