spring-projects/spring-boot

Spring Boot

Phil Webb

@philwebb

@Bryksin I see you've commented in issue https://github.com/spring-projects/spring-boot/issues/24167#issuecomment-731335173. We can continue the discussion there.

James Carman

@jwcarman

Has something changed recently (in 2.3.x and 2.4.x maybe) with respect to Hibernate's HBM2DDL and setting that to validate?

If I change my project to use 2.2.11.RELEASE, I get a schema validation error for missing tables (nothing is creating them in the h2 in-memory database), but if I upgrade to 2.3.6.RELEASE or 2.4.0 the schema validation error goes away (no other changes to my code or application.properties)

James Carman

@jwcarman

It doesn't appear to be the hibernate version causing it, because I forced a downgrade to Hibernate 5.4.22.Final (what Spring Boot 2.2.11.RELEASE uses) by setting a property in my pom.xml file.

If I remove comment out spring.jpa.hibernate.ddl-auto=validate from my application.properties file, I can see that it does indeed do the hbm2ddl stuff and creates the tables just fine.

If I set spring.jpa.hibernate.ddl-auto=update, it also creates the table(s). It's just if I use the value validate that it appears to just get turned off completely. It appears to be treating it as if I set that property to none.

James Carman

@jwcarman

I can pretty easily whip up an example if that'll help.

Cheikh Saadbouh

@cheikh-sadbouh

Hello everyone,

Are there any classes or interfaces other than {Model , ModelMap , ModelAndView } that deal with Model or/and view in the context of spring MVC ?

1) Model : Model defines a holder for model attributes,
2) ModelMap : ModelMap is an extension of Model with the ability to store attributes
3) ModelAndView : ModelAndView is a holder for a model and a view

Thanks in advance

Robert Gründler

@pulse00

Hi there - i'm playing around with the spring boot maven plugins feature to build docker images using buildpack. however, when in run this in a ci like gitlab, i need to have a docker image containing docker and java/maven for this to work. Does anyone know any existing images which are recommended by spring-boot - or should i just build my own?

2 replies

Bhumika

@bhumikat

hello all, when I upgrade spring-data-jdbc-repository with latest spring boot version 2.3.5.RELEASE, it will give compile time error for more info https://stackoverflow.com/questions/64963585/how-to-create-persistententityinformation-object
can anybody help on it. thanks

Stéphane Nicoll

@snicoll

@bhumikat looks like you’re having good support on your SO question already.

Bhumika

@bhumikat

thanks for reply

Stéphane Nicoll

@snicoll

I didn’t understand the reference to the 5 year thing.

Sander Verhagen

@sverhagen

Sounds like five years behind on upgrading. Goodness.

Stéphane Nicoll

@snicoll

Spring Data JDBC isn’t 5 years old

4 replies

(that’s why I am asking)

Bhumika

@bhumikat

ohk let me check

Stéphane Nicoll

@snicoll

check what? :expressionless:

ah I got my answer on my question on the SO thread.

Bhumika

@bhumikat

I am using https://github.com/jirutka/spring-data-jdbc-repository and now if I switched on https://github.com/spring-projects/spring-data-jdbc then what are changes required to do. that I need to check

Stéphane Nicoll

@snicoll

These are two totally different projects. It’s not an “upgrade”.

Lukáš Vasek

@bilak

Hi, we are running some batching pods in kubernetes on spring-boot. We are having issues with performance so we need to slightly tune the tomcat instances. I've found this old blog from netflix, and it looks like it could help us little bit. Are we able to access current values of tomcat that following values maxThreads, acceptCount, maxConnections are limits for them?

r_mohan

@r_mohan_twitter

Can I ask if anyone uses DomainEvents and any other event publishing mechanism both at the same time ? DomainEvents need repository interaction. Other event publisher annotations don't. My questions is this. Do these two different mechanisms use 2 different thread pools ?

DDD events benefit from DomainEvents because there is repository interaction. Some events don't need repository interaction.

Vadim Bryksin

@Bryksin

@philwebb Hi, sorry didn't see you wrote to me here
Yes we can continue the conversation here. Am I right to say that this upgraded profiles system is no longer support active profile?
otherwise, you would give an answer in the ticket or here...

So the question is how those profiles are working now? and what should I change to make it work?

Vadim Bryksin

@Bryksin

For now I downgraded to Spring Boot: 2.3.6 and Cloud Version Hoxton.SR9

Vadim Bryksin

@Bryksin

is actuator no longer a part of spring boot?
had to mention import in gradle specifically, other way it was telling:

java.lang.NoClassDefFoundError: org/springframework/boot/actuate/info/InfoContributor

3 replies

nightswimmings

@nightswimmings

Hi! Is there a way to establish a default @SpringBootTest(args ="--myarg=x") parameter through application-test.yml? I tried with --myarg: x in application.yml but it does not get parsed as a SimpleCommandLineArgumentSource. I need to establish a default argument and I am required to be interpreted as an argument specifically, not a property

Thanks in advance!

My need is "X" is a placeholder that needs to be resolved through maven, and @SpringBoot(args="--myarg=${my.default.test.arg}") syntax is unsupported

12 replies

Fizii Q

@qfizii_gitlab

please document that to use spring-boot 2.4 startup endpoint, user needs to setup BufferingApplicationStartup

https://docs.spring.io/spring-boot/docs/2.4.0/actuator-api/htmlsingle/#startup

7 replies

James Carman

@jwcarman

I’m still trying to figure out why the Hibernate hbm2ddl validate feature isn’t working in spring boot 2.3+. I’ve checked the migration guide and I didn’t see it mentioned. I’m digging through the code looking for any changes that could have caused it. So far, nothing

3 replies

Zac Harvey

@bitbythecron

hi there -- Spring Boot 2.x here -- does anybody know if its possible to start/stop micrometer-based metrics collection on demand?

i have a weird use case where I want to be able to stop all metrics collection (ALL) and restart it at a later time

Stéphane Nicoll

@snicoll

Interesting question @bitbythecron

Looking at the Micrometer code, I don’t see a way to stop scheduling. I’d ask on the micrometer slack to see if there’s any way to make it work.

Zac Harvey

@bitbythecron

ok will do @snicoll - :thumbsup: - thanks

Stéphane Nicoll

@snicoll

Coolio, keep us posted please!

Nipun Arora

@nipunarora

:wave: Hi folks, Is there a way in SpringBoot to capture the request payload for controller functions before they are mapped to objects?

For example if I have the following endpoint

@RequestMapping(value = "user", method = RequestMethod.POST)
ResponseEntity<Customer> testEndpoint(@RequestBody @Valid Customer payload) {
  System.out.println(payload);
  return ResponseEntity.ok(payload);
}

And what I’d like to do is write a function which logs the RequestBody as a string as it was received (not within the controller when it’s been transformed in an object). How can I do so? Is there a way to intercept the execution before the controller function body get’s transformed arguments?

4 replies

Lukáš Vasek

@bilak

hello, is it possible to somehow easily access org.apache.catalina.core.ApplicationContext or protocol org.apache.coyote.http11.Http11NioProtocol during application runtime?

Artem Salimov

@gocruncher

Hi guys. I would like to share with you a useful tool to run Jenkins Job from the Command Line (instead of the browser )
If it can be helpful for someone, please check it out and let me know what do you think
https://github.com/gocruncher/jenkins-job-cli

nightswimmings

@nightswimmings

I still have problems understanding spring.config.location vs spring.config.additional-location vs newest spring.config.import. What are the use cases for each now? Or is config.import as a much more fancy feature meant to be the replacement for the other 2?

James Howe

@OrangeDog

@bclozel if you're still interested in my startup events, I got them with JFR instead.
https://i.imgur.com/XWxUmOs.png
All the events above metadataManager require it.

4 replies

And it fetches a huge xml from the internet and parses it.

Mukhtar Suleimenov

@makekz

Hello everybody

need help

how can I create 100 parallel processes in background that running every minute automatically?)

What should I learn? Is there any tutorials?)

I used Schedule annotation , but it runs linear((

James Howe

@OrangeDog

You'd need 100 Threads

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