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Matz is at #BalticRuby and so am I! Come learn how JRuby brings you next-gen Ruby performance, scaling, and opportunities at my talk tomorrow!#rubyfriends #jruby
JRuby's activerecord-jdbc-adapter doesn't yet support ActiveRecord 8. How should a gem which depends on ActiveRecord try to best support both CRuby and JRuby?
https://rubygems.org/gems/activerecord-jdbc-adapter/versions/71.0-java
rubygems.orgactiverecord-jdbc-adapter | RubyGems.org | Ihre Community des Gem-Hostingservices
Creating beautiful charts with JRuby and JFreeChart
https://blog.headius.com/2025/04/beautiful-charts-with-jruby-and-jfreechart.html
blog.headius.comCreating Beautiful Charts with JRuby and JFreeChartI recently returned from RubyKaigi where I had the opportunity to sit down with members of the Japanese Ruby community and show them a little bit of JRuby. One of the items that came up a few times was the difficulty of utilizing external libraries from Ruby: if it’s a C library, typically you have to either write a C extension or do the extra work of writing up an FFI binding.
I constantly see this in the logs:
```
Coverage report generated for RSpec to /home/runner/work/errbit/errbit/coverage.
Line Coverage: 91.83% (1764 / 1921)
log shifting failed. closed stream
log writing failed. closed stream
```
This is JRuby 9.4.12.0. And build fail. Fail and fail.
What to do with JRuby? Remove support from Errbit? Fix? How?
I've seen a change in behaviour of Hash.ruby2_keywords_hash? in JRuby v10 manifested as some test failures in this Mocha CI build:
I’ve managed to narrow things down a bit in the example in this issue:
https://github.com/jruby/jruby/issues/8784
Anyone else seeing this?
Ugh, GitHub's version of JRuby appears to be broken, again.
https://github.com/ronin-rb/ronin-db/actions/runs/13102950753/job/36553479937#step:3:151
GitHubAdded Ruby 3.4 to the CI (closes #81). · ronin-rb/ronin-db@5246902A common database library for managing and querying security data - Added Ruby 3.4 to the CI (closes #81). · ronin-rb/ronin-db@5246902
Fortgeführter Thread
Also, would JRuby users prefer the headless or headful (with AWT/Swing/SWT GUI support) OpenJDK be installed by ruby-install when installing JRuby? /cc @headius
Neat, someone used JRuby to add Ruby scripting support to Ghidra.
https://github.com/goatshriek/ruby-dragon#readme
GitHubGitHub - goatshriek/ruby-dragon: Ruby, Kotlin, Groovy, Clojure, and JShell support for Ghidra scripting and interactive sessions.Ruby, Kotlin, Groovy, Clojure, and JShell support for Ghidra scripting and interactive sessions. - goatshriek/ruby-dragon
Simplified JRuby Gradle plugin 2.0.0 has been released!
Documentation: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin
Release notes: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin/jruby-simple/2.0.0/changelog.html
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Using JRuby with JBang to get the best of both worlds - JVM performance and Ruby productivity
rockyj-blogs.web.appRocky Jaiswal - JRuby with JBangRocky Jaiswal - Technical blogs
JRuby と SQL Server を利用した Rails の開発環境を作る - ESM アジャイル事業部 開発者ブログ
https://blog.agile.esm.co.jp/entry/jruby-mssql-rails
#ruby #jruby
ESM アジャイル事業部 開発者ブログJRuby と SQL Server を利用した Rails の開発環境を作る - ESM アジャイル事業部 開発者ブログこの記事は、永和システムマネジメントのアドベントカレンダー ESM Advent Calendar 2024 の 3 日目の記事です。 はじめに @wai-doi です。自分が以前アサインされていた Rails アプリケーションは、古い JRuby と Rails に SQL Server を組み合わせた構成のアプリケーションでした。 最近の Rails で JRuby と SQL Server を使った構成で開発をしようとする場合、どのように環境構築できるのか気になったため調べてみました。 方針 なるべく個人の環境に依存しないように Docker を利用して構築します。また、Rails 7.…
Seeking out #JRuby folk with a link to my older post abt why we like JRuby: https://notepad.onghu.com/2022/why-we-use-jruby/
It includes links to posts about installing JRuby on #Windows, packing & distributing JARs, calling #Java from #Ruby and how a different garbage collector affects performance.
notepad.onghu.comWhy we like to use JRubyWe use JRuby quite a bit both for Rails applications and also for general Ruby scripts. I do get asked why one would use JRuby instead of Ruby (meaning C Ruby). This short post is an attempt to list out the main reasons we like to use JRuby. As background, I should mention that we are more a Ruby house and do quite a lot of work in Ruby.
Simplified JRuby Gradle plugin 2.0.0-alpha.4 has been released!
Documentation: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin
Release notes: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin/jruby-simple/2.0.0-alpha.4/changelog.html
ysb33rorg.gitlab.ioRedirect Notice
Simplified JRuby Gradle plugin 2.0.0-alpha.3 has been released!
Documentation: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin
Release notes: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin/jruby-simple/2.0.0-alpha.3/changelog.html
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Simplified JRuby Gradle plugin 2.0.0-alpha.2 has been released!
Documentation: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin
Release notes: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin/jruby-simple/2.0.0-alpha.2/changelog.html
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Simplified JRuby Gradle plugin 2.0.0-alpha.1 has been released!
Documentation: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin
Release notes: https://ysb33rorg.gitlab.io/gradle/simplified-jruby-gradle-plugin/jruby-simple/2.0.0-alpha.1/changelog.html
ysb33rorg.gitlab.ioSimplified JRuby Gradle Plugin
Contact @headius to have him visit your local JUG!
#Java #Ruby #JRuby https://mastodon.social/@headius/113365422720678932
MastodonCharles Oliver Nutter (@headius@mastodon.social)I had a great time at Nashville JUG this evening showing JVM users how to read bytecode, compiler logs, and assembly code! Lots of good questions and it seemed like everyone enjoyed the talk. Coming soon to a JUG near you? 😉