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7.3のメンテナンスモードと非推奨
Maintenance Mode and Deprecations in 7.3 With each new DXP release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a feature puts it in...
Liferay DXP 2025.Q2 の重大な変更点
Official Documentation
Liferay DXP 2025.Q2 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay DXP 2025.Q2. As the...
7.2 旧バージョンと非互換の変更
Official Documentation
7.2 Breaking Changes This document presents a chronological list of changes that break existing functionality, APIs, or contracts with third party Liferay developers or users. We try our best to...
Default Setting Changes in 7.2
Default Setting Changes in 7.2 Most new versions of Liferay include changes to the default settings. If you rely on the defaults from your old version, you should review the changes and decide to...
7.2のメンテナンスモードと非推奨
Maintenance Mode and Deprecations in 7.2 With each new DXP release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a feature puts it in...
7.4 旧バージョンと非互換の変更
Official Documentation
7.4 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay 7.4, starting with the latest quarterly...
7.4 でのデフォルト設定と機能フラグの変更
Default Setting and Feature Flag Changes in 7.4 Most new versions of Liferay DXP include changes to the default settings. If you rely on the defaults from your old version, you should review the...
7.4 非推奨および重大な変更
7.4 Deprecations and Breaking Changes
言語キーの名称変更
Renamed Language Keys In Liferay DXP/Portal 7.4, module language keys were centralized to a module called portal-language-lang. Source location: ...
7.4のメンテナンスモードと非推奨
Maintenance Mode and Deprecations in 7.4 With each new Liferay DXP and Liferay Portal release, a feature may not warrant continued enhancements or may become obsolete. Stopping enhancements for a...
データベースの移行
Official Documentation
Migrating the Database For support, maintenance, or performance reasons, you may decide to migrate from the database you use to one of the other databases Liferay supports. Though the exact steps...
アップグレード後の考慮事項
Official Documentation
Post-Upgrade Considerations After upgrading the database, you should configure Liferay for production again and check up on feature changes that might affect your Liferay instance. Re-enable...
アップグレードの準備
Official Documentation
Preparing for an Upgrade Preparation and planning may be of little consequence for small, casual installations but is mandatory for large enterprise-level installations. Create a Back Up Always...
アップグレードを高速化するためのデータベースプルーニング
Database Pruning for Faster Upgrades The more data you have the longer your data upgrade takes. Unneeded site data is a common occurrence. Pruning the database of unneeded data improves upgrade...
データ初期化
Data Cleanup Before database upgrades, Liferay executes data cleanup processes to repair databases with obsolete data. This lightens the load of the upgrade tool, improving performance and reducing...
アップグレードのためのデータベース調整
Database Tuning for Upgrades Performing an upgrade impacts the database differently from daily running in production. Because of this, you should tune your database for the upgrade process before...
例：ジャーナル記事の中間バージョンの削除
Example: Removing Intermediate Journal Article Versions These instructions and code samples demonstrate removing intermediate Journal Article versions. In the script console, you can remove...
アップグレードのトラブルシューティング
Official Documentation
Troubleshooting Upgrades Liferay has many out-of-the-box tools and features to identify and solve issues that may arise when performing an upgrade. To troubleshoot, you can upgrade modules...
アップグレードログのコンテキスト
Upgrade Log Context Liferay DXP 7.4 U72 / Liferay Portal 7.4 GA72 Enable the upgrade log context to display identifiers for upgrade related processes in your console logs. The possible identifiers...
カスタマイズの更新
Official Documentation
Updating Customizations Plugins (e.g., themes, apps, and customizations) you've developed must be adapted to the new Liferay version. This can be as simple as updating dependencies or involve...