Micronaut
jackson-module-kotlin
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Micronaut | jackson-module-kotlin | |
---|---|---|
50 | 9 | |
5,950 | 1,101 | |
0.5% | 1.1% | |
9.9 | 9.3 | |
4 days ago | 6 days ago | |
Java | Kotlin | |
Apache License 2.0 | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Micronaut
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Javalin – a simple web framework for Java and Kotlin
Micronaut has a share of the space too.
https://micronaut.io/
However, you’re right that Spring Boot has the lions share of the Java ecosystem.
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Spark – A web micro framework for Java and Kotlin
I've used vert.x in a big project once. I don't ever want to do that again. Performance is pretty good, but the developer experience is beyond clunky.
My current favourite Java server framework is Micronaut.
Great performance and easy to develop for!
https://micronaut.io/
- Java 21 Released
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Java consumes 38x less energy than Python
I wonder how much you'd save with Micronaut: https://micronaut.io/
> Micronaut is a software framework for the Java virtual machine platform. It is designed to avoid reflection, thus reducing memory consumption and improving start times. Features which would typically be implemented at run-time are instead pre-computed at compile time.
https://en.wikipedia.org/wiki/Micronaut_(framework)
I don't think you'd go down to 9, but something like 20-30 could be doable.
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mlfx FXML compiler
I'd like to introduce my project. It is called mlfx. It can compile FXML ahead of time. It is basically an annotation processor, which internally uses Micronaut framework's AST abstraction and compiles fxml files directly to JVM bytecode. This decreases UI load time and also helps with native-image reflection configs. It also has some compliance tests that load compiled code and check resulting object graph against one loaded by javafx-xml. It also has some drawbacks now, but, please, read README. Now I'm successfully using it in two production projects.
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What other programming languages/frameworks do you enjoy besides c#/dotnet?
https://micronaut.io/ https://quarkus.io/
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Virtual Threads Arrive in JDK 21, Ushering a New Era of Concurrency
when it comes to full stack frameworks, Micronaut(https://micronaut.io/) is actually good and pleasant to work with.
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Tech-stack for web application using Kotlin?
For the server Quarkus and Micronaut might be interesting besides Spring Boot. Quarkus is more popular and backed by RedHat (so probably here to stay).
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Top 5 Server-Side Frameworks for Kotlin in 2022: Micronaut
🥇 Spring Boot 🥈 Quarkus 🥉 Micronaut 🏅 Ktor 🏅 http4k
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Would love some guidance in how to get started with building web projects with Java.
Spring boot is still The King. Although I've not done more than hello world with Micronaut, it might have easier learning curve than Spring (and concepts are similar to Spring so you can carry over later to learn Spring). It could also be a useful skill in world of microservices these days.
jackson-module-kotlin
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Jackson, moshi or kotlinx.serialization?
strictNullCheck option in the Kotlin module doesn't cover non-object-field situations at all. https://github.com/FasterXML/jackson-module-kotlin/issues/479
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Strings, Please! Eliminating Data Leaks Caused by Kotlin Assertions
But, it sucked. I was constantly finding bugs related to nullability, around generics, inline/value classes, etc. And it wasn't the typical trivial ones, either. Figuring out that you're calling a Java library and encountering a "platform type" is the least problematic. My biggest struggle came from using libraries that were written in Java first, but then added a Kotlin API on top. So, my code didn't know I was dealing with a platform type and neither did I. Yet they were still broken. Some of them are broken in an unfixable way, such as JacksonXML's Kotlin module: https://github.com/FasterXML/jackson-module-kotlin/issues/479. So many Java libraries rely on reflection even when it's not obvious that they might, so you pretty much can't ever use value classes in Kotlin, including the unsigned number types.
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From Java to Kotlin. There and back again
You should add Jackson Module Kotlin in your project. After that, you can't specify a type of object explicitly.
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How Cloudflare security responded to log4j2 vulnerability
Not really, you just need to handle some standard types and have a good extension mechanism to let the user implement factories. That library having built in support for UUID and datetime is probably a bit much, I'd prefer a plugin like https://github.com/FasterXML/jackson-module-kotlin
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Ktor vs Spring for creating an API
There is a bug at this very moment that makes it literally impossible to deserialize [1, 2, 3, null] into a List with Jackson's Kotlin module. Yes- even if you set KotlinModule(strictNullChecks = true). It's just broken. (Here's the link: https://github.com/FasterXML/jackson-module-kotlin/issues/479)
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Kotlin Team AMA #3: Ask Us Anything
Got you, thanks. I didn’t mean to sound offensive - a better wording would be that they don’t seem to prioritize this part, at least based on https://github.com/FasterXML/jackson-module-kotlin/issues/199, which has one abandoned branch from a 3rd party and a couple of comments from from maintainers.
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kotlinx.serialization 1.2 Released: High-Speed JSON Handling, Value Class Support, Overhauled Docs, and more
If you use Jackson, don't forget to include the Kotlin extensions https://github.com/FasterXML/jackson-module-kotlin
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Serializing and deserializing "Any" Kotlin type using jackson mapper
Did you include jackson-module-kotlin?
What are some alternatives?
Quarkus - Quarkus: Supersonic Subatomic Java.
kotlinx.serialization - Kotlin multiplatform / multi-format serialization
spring-native - Spring Native is now superseded by Spring Boot 3 official native support
klaxon - A JSON parser for Kotlin
Vert.x - Vert.x is a tool-kit for building reactive applications on the JVM
avro4k - Avro support for kotlinx.serialization
Flowable (V6) - A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
Kotson
Nacos - an easy-to-use dynamic service discovery, configuration and service management platform for building cloud native applications.
KTON - Object notation in pure Kotlin!
JaCoCo - :microscope: Java Code Coverage Library
fluid-json - A JSON library written in pure Kotlin