Spring boot 3 return 404 on azure app

Question

Spring boot 3 return 404 on azure app

Florent Bonamis 11

Hi,

We are running a Hello World app on an Azure Linux app.
When we are using Spring boot 2.76, there is no problem. When we are upgrading the sprong boot version to 3.0.4 we are encountering a 404 error.
Is this related to that kind of issue?
https://github.com/spring-projects/spring-boot/issues/33974

Grmacjon-MSFT 9,351 Reputation points

2023-03-07T21:53:38.9733333+00:00

Hi @Florent Bonamis thanks for bringing this to our attention. It could be related. can you please share the tutorial you are following to set up your web app?

Spring Cloud Azure 3.x.x has reached end of life status and is no longer supported. It's suggested to upgrade to the latest version of 4.x. Please refer to Migration Guide for 4.0 to get more information about how to do migration.

Please read this wiki is to find the corresponding Spring Cloud Azure version and its support status with the given Spring Boot / Spring Cloud version.
Florent Bonamis 11 Reputation points

2023-03-08T10:17:01.1433333+00:00

Hi, I did not follow any tutorial
I am only trying to deploy spring boot app on azure web app.
I do not use any Spring Cloud Azure functionalities
Benjamin Possolo 5 Reputation points

2023-03-14T16:49:27.9666667+00:00

I am experiencing the same thing on my Azure Web App Service.

I upgraded my app from spring boot 2.5.5 to spring boot 3.0.4 and now all requests return a 404.

Grmacjon-MSFT 9,351 Reputation points

2023-03-07T21:53:38.9733333+00:00

Hi @Florent Bonamis thanks for bringing this to our attention. It could be related. can you please share the tutorial you are following to set up your web app?

Spring Cloud Azure 3.x.x has reached end of life status and is no longer supported. It's suggested to upgrade to the latest version of 4.x. Please refer to Migration Guide for 4.0 to get more information about how to do migration.

Please read this wiki is to find the corresponding Spring Cloud Azure version and its support status with the given Spring Boot / Spring Cloud version.
Florent Bonamis 11 Reputation points

2023-03-08T10:17:01.1433333+00:00

Hi, I did not follow any tutorial
I am only trying to deploy spring boot app on azure web app.
I do not use any Spring Cloud Azure functionalities
Benjamin Possolo 5 Reputation points

2023-03-14T16:49:27.9666667+00:00

I am experiencing the same thing on my Azure Web App Service.

I upgraded my app from spring boot 2.5.5 to spring boot 3.0.4 and now all requests return a 404.

Answer 1

@Florent Bonamis thanks for the additional info. To deploy a Spring Boot app on Azure Web App please follow the steps in this Azure doc : Quickstart: Deploy your first application to Azure Spring Apps. This tutorial explains how to deploy a small application to run on Azure Spring Apps.

Please let us know if you have other questions.

Answer 2

Benjamin Possolo 5

The solution is here.

https://github.com/spring-projects/spring-boot/issues/33974#issuecomment-1468484374

Solved by upgrading the ApplicationInsights Java Agent to 3.4.10

My guess is the old agent is not compatible with jars compiled for Java 17.

Florent Bonamis 11 Reputation points

2023-03-15T12:05:16.69+00:00

Hey @Benjamin Possolo
Thank you for your answer. You fix solved my 404 problems, but I have no logs anymore :(
Did you do something else than changing the property?

Spring boot 3 return 404 on azure app

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