Jakarta EE / Java EE Advent Calendar 2025

10 participant

22 followers

43 likes

Category：Programming language

Creator：

@TTakakiyo

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2017年のJava EEアドベント・カレンダー以来，久しぶりのJakarta EE/Java EEアドベント・カレンダーです。

Jakarta EE APIの最新動向，各種Jakarta EE Compatible Products，Jakarta EEプログラミングのTips，MicroProfileについてなど，エンタープライズJava標準に関するブログ記事を募集します。

Qiitaを使っていますが，Qiita以外からの投稿も可能です。普段お使いのブログがある方はそちらでご参加ください。

How to join the calendar

You can join the calendar by selecting an available date and registering the URL of the article you wish to link to. If a slot is available, you can go back to a past date to join!

Series 1

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
30	@kazumura 解説： Jakarta EE Developer Survey 2025 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus JBoss EAPの起動可能なjarで構成ファイル(standalone.xml)を変更する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TTakakiyo Open LibertyでJakarta EEをフレームワークとして使う Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus JBoss EAP 8に環境変数を使って値を設定する/7以前と挙動が変わっているので注意 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus Jakarta Persistence 3.2(Jakarta EE 11)で増えたJPQLの構文 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kazumura Java系各種Landscape Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@megascus Jakarta Persistence 3.2(Jakarta EE 11)からCalendar/Date/Timeなどが非推奨化されます！ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus Quarkusで使用できる非標準の標準仕様 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus Quarkusの素早い起動の秘密、ビルド時DIについて見てみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@mi-ta Open Libertyで簡単に実現するMCPサーバー【2: コード解説編】 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tnagao7 Jakarta EE の移植性を支える Technology Compatibility Kit (TCK) のソースコードを覗いてみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus Quarkusで使用できるSpringアノテーション Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TakahikoKawasaki OpenAPIエンドポイント Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@kaido207 Jakarta変換に使われるツールの比較 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@noritaka-kagei Jakarta Data を動かして理解する！ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TakahikoKawasaki Jakarta EEでクライアント証明書にアクセスし、Certificate-BoundアクセストークンによるAPI保護に必要なThumbprintを求める Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dmiya3 Jakarta EE 環境 (GlassFish) でJFRを使ってみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dmiya3 Jakarta EE 環境 (GlassFish) でJFRを使ってみる - イベント編 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TTakakiyo Open Liberty/WebSphere LibertyのMavenプロジェクト・カスタマイズあれこれ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TakahikoKawasaki オリジナルリクエストのターゲットURIの解決 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@megascus 移行ツールにAIの力を追加するDeveloper Lightspeed for Migration Toolkit for Applications(Konveyor AI) Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus さよならMicroProfile Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@hs536 既存のRESTアプリを無理やりLLM連携する話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	Join calendar on 24 day You can also reserve a slot without registering a title or URL. Title URL Articles to be submitted are welcome on any website as well as on Qiita. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kazumura 日本 Jakarta EE & MicroProfile ユーザグループ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26	27

@kazumura
解説： Jakarta EE Developer Survey 2025
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@megascus
JBoss EAPの起動可能なjarで構成ファイル(standalone.xml)を変更する
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@TTakakiyo
Open LibertyでJakarta EEをフレームワークとして使う
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@megascus
JBoss EAP 8に環境変数を使って値を設定する/7以前と挙動が変わっているので注意
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When you participate, we will assume that you have agreed to the terms of use
@megascus
Jakarta Persistence 3.2(Jakarta EE 11)で増えたJPQLの構文
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About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
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@kazumura
Java系各種Landscape
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@megascus
Jakarta Persistence 3.2(Jakarta EE 11)からCalendar/Date/Timeなどが非推奨化されます！
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Title
URL
You can post either your article on Qiita or your blog post.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
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When you participate, we will assume that you have agreed to the terms of use
@megascus
Quarkusで使用できる非標準の標準仕様
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@megascus
Quarkusの素早い起動の秘密、ビルド時DIについて見てみる
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@mi-ta
Open Libertyで簡単に実現するMCPサーバー【2: コード解説編】
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@tnagao7
Jakarta EE の移植性を支える Technology Compatibility Kit (TCK) のソースコードを覗いてみる
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@megascus
Quarkusで使用できるSpringアノテーション
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@TakahikoKawasaki
OpenAPIエンドポイント
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@kaido207
Jakarta変換に使われるツールの比較
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@noritaka-kagei
Jakarta Data を動かして理解する！
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@TakahikoKawasaki
Jakarta EEでクライアント証明書にアクセスし、Certificate-BoundアクセストークンによるAPI保護に必要なThumbprintを求める
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If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
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Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@dmiya3
Jakarta EE 環境 (GlassFish) でJFRを使ってみる
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If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
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@dmiya3
Jakarta EE 環境 (GlassFish) でJFRを使ってみる - イベント編
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@TTakakiyo
Open Liberty/WebSphere LibertyのMavenプロジェクト・カスタマイズあれこれ
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@TakahikoKawasaki
オリジナルリクエストのターゲットURIの解決
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@megascus
移行ツールにAIの力を追加するDeveloper Lightspeed for Migration Toolkit for Applications(Konveyor AI)
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@megascus
さよならMicroProfile
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@hs536
既存のRESTアプリを無理やりLLM連携する話
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When you participate, we will assume that you have agreed to the terms of use
Join calendar on 24 day
You can also reserve a slot without registering a title or URL.
Title
URL
Articles to be submitted are welcome on any website as well as on Qiita.
About reserved posting
If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day.
About posting period
Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.)
When you participate, we will assume that you have agreed to the terms of use
@kazumura
日本 Jakarta EE & MicroProfile ユーザグループ
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Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
30	@kazumura 解説： Jakarta EE Developer Survey 2025 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus JBoss EAPの起動可能なjarで構成ファイル(standalone.xml)を変更する Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TTakakiyo Open LibertyでJakarta EEをフレームワークとして使う Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus JBoss EAP 8に環境変数を使って値を設定する/7以前と挙動が変わっているので注意 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus Jakarta Persistence 3.2(Jakarta EE 11)で増えたJPQLの構文 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kazumura Java系各種Landscape Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@megascus Jakarta Persistence 3.2(Jakarta EE 11)からCalendar/Date/Timeなどが非推奨化されます！ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus Quarkusで使用できる非標準の標準仕様 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus Quarkusの素早い起動の秘密、ビルド時DIについて見てみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@mi-ta Open Libertyで簡単に実現するMCPサーバー【2: コード解説編】 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@tnagao7 Jakarta EE の移植性を支える Technology Compatibility Kit (TCK) のソースコードを覗いてみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus Quarkusで使用できるSpringアノテーション Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TakahikoKawasaki OpenAPIエンドポイント Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@kaido207 Jakarta変換に使われるツールの比較 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@noritaka-kagei Jakarta Data を動かして理解する！ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TakahikoKawasaki Jakarta EEでクライアント証明書にアクセスし、Certificate-BoundアクセストークンによるAPI保護に必要なThumbprintを求める Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dmiya3 Jakarta EE 環境 (GlassFish) でJFRを使ってみる Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@dmiya3 Jakarta EE 環境 (GlassFish) でJFRを使ってみる - イベント編 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TTakakiyo Open Liberty/WebSphere LibertyのMavenプロジェクト・カスタマイズあれこれ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@TakahikoKawasaki オリジナルリクエストのターゲットURIの解決 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use
@megascus 移行ツールにAIの力を追加するDeveloper Lightspeed for Migration Toolkit for Applications(Konveyor AI) Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@megascus さよならMicroProfile Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@hs536 既存のRESTアプリを無理やりLLM連携する話 Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	Join calendar on 24 day You can also reserve a slot without registering a title or URL. Title URL Articles to be submitted are welcome on any website as well as on Qiita. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	@kazumura 日本 Jakarta EE & MicroProfile ユーザグループ Overwrite Title URL You can post either your article on Qiita or your blog post. About reserved posting If you register a secret article by the day before the same day, it will be automatically published around 7:00 on the same day. About posting period Only articles submitted after October 31, 2025 can be registered. (Secret articles can be registered anytime articles are posted.) When you participate, we will assume that you have agreed to the terms of use	26	27

@kazumura
解説： Jakarta EE Developer Survey 2025
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@megascus
JBoss EAPの起動可能なjarで構成ファイル(standalone.xml)を変更する
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@TTakakiyo
Open LibertyでJakarta EEをフレームワークとして使う
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@megascus
JBoss EAP 8に環境変数を使って値を設定する/7以前と挙動が変わっているので注意
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@megascus
Jakarta Persistence 3.2(Jakarta EE 11)で増えたJPQLの構文
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@kazumura
Java系各種Landscape
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@megascus
Jakarta Persistence 3.2(Jakarta EE 11)からCalendar/Date/Timeなどが非推奨化されます！
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@megascus
Quarkusで使用できる非標準の標準仕様
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@megascus
Quarkusの素早い起動の秘密、ビルド時DIについて見てみる
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@mi-ta
Open Libertyで簡単に実現するMCPサーバー【2: コード解説編】
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@tnagao7
Jakarta EE の移植性を支える Technology Compatibility Kit (TCK) のソースコードを覗いてみる
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@megascus
Quarkusで使用できるSpringアノテーション
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@TakahikoKawasaki
OpenAPIエンドポイント
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@kaido207
Jakarta変換に使われるツールの比較
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@noritaka-kagei
Jakarta Data を動かして理解する！
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@TakahikoKawasaki
Jakarta EEでクライアント証明書にアクセスし、Certificate-BoundアクセストークンによるAPI保護に必要なThumbprintを求める
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@dmiya3
Jakarta EE 環境 (GlassFish) でJFRを使ってみる
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@dmiya3
Jakarta EE 環境 (GlassFish) でJFRを使ってみる - イベント編
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@TTakakiyo
Open Liberty/WebSphere LibertyのMavenプロジェクト・カスタマイズあれこれ
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@TakahikoKawasaki
オリジナルリクエストのターゲットURIの解決
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@megascus
移行ツールにAIの力を追加するDeveloper Lightspeed for Migration Toolkit for Applications(Konveyor AI)
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@megascus
さよならMicroProfile
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@hs536
既存のRESTアプリを無理やりLLM連携する話
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Join calendar on 24 day
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@kazumura
日本 Jakarta EE & MicroProfile ユーザグループ
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You can increase the number of series when Calendar 1 is filled with more than 10 articles.

Jakarta EE / Java EE Advent Calendar 2025

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Series 1

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