# Can I use Jdk1.4

**URL:** https://forum.cloverdx.com/t/can-i-use-jdk1-4/205
**Category:** CloverDX Platform
**Created:** [August 7, 2007, 12:00am UTC](https://forum.cloverdx.com/t/can-i-use-jdk1-4/205 "2007-08-07T00:00:00Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![chezare](https://avatars.discourse-cdn.com/v4/letter/c/fbc32d/32.png) [@chezare](https://forum.cloverdx.com/u/chezare)
#### Post date: [August 7, 2007, 12:00am UTC](https://forum.cloverdx.com/t/can-i-use-jdk1-4/205/1 "2007-08-07T00:00:00Z")

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Hi guys

I’m new user and I want to use clover for remplace all application that’s make extraction, transformation and load with CloverETL, my problem is that : In the production enviroment my JDK is 1.4 not 1.5; can I use CloverETL with JDK 1.4?

tk’s for your help; your response is important for us.

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### Author: ![avackova](https://avatars.discourse-cdn.com/v4/letter/a/65b543/32.png) [@avackova](https://forum.cloverdx.com/u/avackova)
#### Post date: [August 9, 2007, 9:32am UTC](https://forum.cloverdx.com/t/can-i-use-jdk1-4/205/2 "2007-08-09T09:32:53Z")

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Some methods does not work correctly with java 1.4, so required is 1.5.