# Jenkins upgrade from 2.414.2 to higher version throwing error

**URL:** <https://community.jenkins.io/t/jenkins-upgrade-from-2-414-2-to-higher-version-throwing-error/12719>\
**Category:** Ask a question\
**Created:** [February 23, 2024, 3:24pm UTC](https://community.jenkins.io/t/jenkins-upgrade-from-2-414-2-to-higher-version-throwing-error/12719 "2024-02-23T15:24:49Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![DhaPatel](https://avatars.discourse-cdn.com/v4/letter/d/a88e4f/32.png) [@DhaPatel](https://community.jenkins.io/u/DhaPatel)\
**Post date:** [February 23, 2024, 3:24pm UTC](https://community.jenkins.io/t/jenkins-upgrade-from-2-414-2-to-higher-version-throwing-error/12719/1 "2024-02-23T15:24:49Z")

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Jenkins version 2.414.2 on Windows server 2019 data centre

```
 java : 17.0.7

```

Jenkins setup: we have old Jenkins setup we have upgraded jenkins couple of times. Now when we try to upgrade Jenkins from 2.414.2 to any of the higher version. after upgrade it gives error  
A problem occurred while processing the request  
Logging ID=fa7f97e5-f264-47e7-a7aa-2ec4a05501c9  
Feb 23, 2024 9:39:03 AM WARNING org.eclipse.jetty.server.handler.ContextHandler$Context log  
Error while serving [https://awnjpedwsched02:8080/manage/configSubmit](https://awnjpedwsched02:8080/manage/configSubmit)  
java.lang.IllegalArgumentException: The frontend sent an unexpected list of

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**Author:** ![mawinter69](https://dub1.discourse-cdn.com/flex013/user_avatar/community.jenkins.io/mawinter69/32/1625_2.png) [@mawinter69](https://community.jenkins.io/u/mawinter69)\
**Post date:** [February 23, 2024, 3:36pm UTC](https://community.jenkins.io/t/jenkins-upgrade-from-2-414-2-to-higher-version-throwing-error/12719/2 "2024-02-23T15:36:29Z")

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This happens when you have an old plugin. You should update your plugins

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**Author:** ![DhaPatel](https://avatars.discourse-cdn.com/v4/letter/d/a88e4f/32.png) [@DhaPatel](https://community.jenkins.io/u/DhaPatel)\
**Post date:** [February 23, 2024, 3:40pm UTC](https://community.jenkins.io/t/jenkins-upgrade-from-2-414-2-to-higher-version-throwing-error/12719/3 "2024-02-23T15:40:07Z")

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Hi Markus,

Please let me know how to identify old plugins.

Thank you

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**Author:** ![mawinter69](https://dub1.discourse-cdn.com/flex013/user_avatar/community.jenkins.io/mawinter69/32/1625_2.png) [@mawinter69](https://community.jenkins.io/u/mawinter69)\
**Post date:** [February 23, 2024, 4:03pm UTC](https://community.jenkins.io/t/jenkins-upgrade-from-2-414-2-to-higher-version-throwing-error/12719/4 "2024-02-23T16:03:42Z")

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go to plugin manager and apply all plugin updates.  
If that doesn’t help look for plugins that haven’t been release since several years. For this you will need to check every plugin manually

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**Author:** ![DhaPatel](https://avatars.discourse-cdn.com/v4/letter/d/a88e4f/32.png) [@DhaPatel](https://community.jenkins.io/u/DhaPatel)\
**Post date:** [February 23, 2024, 7:04pm UTC](https://community.jenkins.io/t/jenkins-upgrade-from-2-414-2-to-higher-version-throwing-error/12719/5 "2024-02-23T19:04:52Z")

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Thank you Markus. After updating Plugins able to upgrade jenkins.