# Logstash Permission denied - NUL error

**URL:** <https://discuss.elastic.co/t/logstash-permission-denied-nul-error/303686>\
**Category:** Logstash\
**Created:** [May 1, 2022, 8:46pm UTC](https://discuss.elastic.co/t/logstash-permission-denied-nul-error/303686 "2022-05-01T20:46:51Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![RobBavey](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/robbavey/32/20421_2.png) [@RobBavey](https://discuss.elastic.co/u/RobBavey)\
**Post date:** [May 3, 2022, 2:56pm UTC](https://discuss.elastic.co/t/logstash-permission-denied-nul-error/303686/3 "2022-05-03T14:56:33Z")

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Hi @Ersan,

This is a [known issue](https://github.com/elastic/logstash/issues/14042) with the latest version of the JDK on Windows. Can you try adding

```auto
-Djdk.io.File.enableADS=true

```

to your `LOGSTASH_HOME\config\jvm.options` file and restart?

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