---
title: NoClassDefFoundError: org/apache/commons/logging/LogFactory
description: Check the Known Issues 
url: https://docs-v3-preview.elastic.dev/elastic/elasticsearch-java/pull/1224/reference/troubleshooting/no-class-def-found-error
products:
  - Elasticsearch
  - Elasticsearch Client
---

# NoClassDefFoundError: org/apache/commons/logging/LogFactory
Check the [Known Issues](/elastic/elasticsearch-java/pull/1224/release-notes/known-issues#known-issues-9-0-0)