# Update of Tomcat

**URL:** <https://forum.servoy.com/t/update-of-tomcat/19392>\
**Category:** Classic Servoy\
**Created:** [August 25, 2017, 1:26pm UTC](https://forum.servoy.com/t/update-of-tomcat/19392 "2017-08-25T13:26:06Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![huber](https://yyz2.discourse-cdn.com/flex010/user_avatar/forum.servoy.com/huber/32/5042_2.png) [@huber](https://forum.servoy.com/u/huber)\
**Post date:** [August 25, 2017, 1:26pm UTC](https://forum.servoy.com/t/update-of-tomcat/19392/1 "2017-08-25T13:26:06Z")

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Hi

What is the easiest way to update a Tomcat from let’s say Version 9.0.0 M21 to Version 9.0.0 M26? Is there a way to let an updater run or does it mean installing the new version in parallel (to the existing one) and configuring it from scratch?

Thanks and best regards,  
Robert

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**Author:** ![vschuurhof](https://avatars.discourse-cdn.com/v4/letter/v/46a35a/32.png) [@vschuurhof](https://forum.servoy.com/u/vschuurhof)\
**Post date:** [September 18, 2017, 7:26am UTC](https://forum.servoy.com/t/update-of-tomcat/19392/2 "2017-09-18T07:26:51Z")

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I assume you mean Tomcat separate from Servoy? So in other words, you deploy your Servoy solution as WAR?

Upgrading Tomcat is indeed something you need to do manually. I would advice you to take a look at the following page, which is dedicated to how to upgrade to multiple versions: [http://tomcat.apache.org/migration.html](http://tomcat.apache.org/migration.html)

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**Author:** ![huber](https://yyz2.discourse-cdn.com/flex010/user_avatar/forum.servoy.com/huber/32/5042_2.png) [@huber](https://forum.servoy.com/u/huber)\
**Post date:** [September 20, 2017, 8:54am UTC](https://forum.servoy.com/t/update-of-tomcat/19392/3 "2017-09-20T08:54:29Z")

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Hi Vincent

Thanks for the hint.

> vschuurhof:  
> I assume you mean Tomcat separate from Servoy? So in other words, you deploy your Servoy solution as WAR?l

Correct.

> vschuurhof:  
> Upgrading Tomcat is indeed something you need to do manually. I would advice you to take a look at the following page, which is dedicated to how to upgrade to multiple versions: [http://tomcat.apache.org/migration.html](http://tomcat.apache.org/migration.html)

I read these migration information, but it is not so helpful to me, I did not find the answer(s) I was looking for. For example, can I overwrite my existing Tomcat like it’s done with application updaters?

Regards,