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チャンネルリファレンスガイド
Official Documentation
Channels Reference Guide The Channels application contains various options to manage and configure your channel. To create a channel, see Managing Channels. General The General tab consists of...
MySQL 8 自動データベースアップグレードのお知らせ
MySQL 8 Auto Database Upgrade Announcement Liferay Cloud is migrating all customer databases to MySQL 8 as MySQL 5.7 has reached end-of-life (EoL) and will no longer receive critical updates. Click...
12月18日、LiferayがLog4jの脆弱性（CVE-2021-45105）に関する最新情報を公開しました。
Dec 18 Liferay’s Update about Log4j CVE-2021-45105 Published: December 18, 2021 Reference: Vulnerability Summary There is a new vulnerability CVE-2021-45105 impacting Log4j version 2. It is...
Cloud console Monitoring shows the old memory allocation after increasing memory in LCP.json
legacy Troubleshooting
Issue In a PaaS service's LCP.json file, we recently increased the "memory" setting and successfully deployed this modification. However, on the Cloud console's Monitoring page, the Memory tab for the service still shows...
After upgrading, "Skip /o/js/resolved-module/... because its content type is not CSS or JavaScript" ComboServlet errors are observed
legacy Troubleshooting
Issue Errors like the following appear in the server's log file after an upgrade: ERROR [ComboServlet:389] Skip /o/js/resolved-module/frontend-js-tabs-support-web@2.0.12/TabsProvider.js because its content type is not...
aria-invalid="true" Attribute is Not Set for Required Checkbox Fields in Forms
legacy
Issue When a form with a required checkbox field is submitted without the checkbox being selected, the corresponding <input> element in the DOM does not receive the aria-invalid="true" attribute. This behavior is...
JSP file [/monitor/app_check.jsp] not found errors within Liferay logs
legacy Troubleshooting
Issue Many code_jsp 404 WARN messages such as the following are being observed in the Liferay logs: WARN [https-jsse-nio2-11251-exec-3][code_jsp:163] {code="404", msg="JSP file [/monitor/app_check.jsp] not found",...
Browser Back Button Requires Multiple Clicks on Pages with Multiple Asset Publishers
legacy Troubleshooting
Issue When a page contains multiple Asset Publishers, clicking the back button multiple times may be required to return to the previous page. Environment Liferay DXP 7.0+ Resolution This is intended behavior...
How to Generate a SAML Tracer Export for Liferay Support
legacy How To
SAML Tracer can be a useful debugging tool for viewing SAML messages sent through the browser during single sign-on and single logout and helps with analyzing both SP- and IdP-initiated SAML flows, including viewing and...
Cannot set the template key when creating a widget display template
legacy Troubleshooting
Issue When creating new widget display templates, there does not appear to be an option to define the key name. Environment Liferay DXP 7.4+ Resolution This behavior is expected when using the...
Liferay Workspace build fails with "Unable to get product info for: dxp-7.3-sp2"
legacy Troubleshooting
Issue Using the liferay.workspace.product=dxp-7.3-sp2 setting in Liferay Workspace's gradle.properties file results in an error: A problem occurred configuring root project '...'. > Unable to get product info...
"Column publishDate in table Layout already is datetime2(6)" Warning During Upgrade
legacy
Issue During the upgrade process from Liferay DXP 7.1 to a more recent version while using a SQL Server database, the following warning message appears in the logs: WARN [main][BaseSQLServerDatetimeUpgradeProcess:99]...
Liferay PaaSへのマイクロサービスクライアント拡張機能のデプロイ
Official Documentation
Deploying Microservice Client Extensions to Liferay PaaS In most cases, you can deploy client extensions with Liferay PaaS similarly to self-hosted instances. Deploy frontend, configuration, and...
チェックアウトステップクライアント拡張機能リファレンス
Official Documentation
Checkout Step Client Extension Reference Checkout Step Client Extension YAML Reference FieldValueDescription activetrueSpecifies that the checkout step is active....
決済統合クライアント拡張機能リファレンス
Official Documentation
Payment Integration Client Extension Reference Payment Integration Client Extension YAML Reference FieldValueDescription keyliferay-sample-commerce-payment-integrationSpecifies the unique key for...
配送エンジンクライアント拡張機能リファレンス
Official Documentation
Shipping Engine Client Extension Reference Shipping Engine Client Extension YAML Reference FieldValueDescription keyliferay-sample-commerce-shipping-engineSpecifies the unique key for the shipping...
配送エンジンクライアント拡張機能の使用
Official Documentation
Using the Shipping Engine Client Extension Liferay DXP 2024.Q1+/Portal GA112+ You can use a client extension to add a new shipping engine to Liferay. This client extension from the sample...
エディター設定コントリビュータークライアント拡張機能の使用
Official Documentation
Using an Editor Config Contributor Client Extension Liferay DXP 2026.Q1+ You can transform the configuration of Liferay's text editors with an Editor Config Contributor client extension. The...
CKEditor 4とAlloy Editorの設定
Official Documentation
Configuring CKEditor 4 and Alloy Editor Liferay DXP 2026.Q1+ The sample workspace's liferay-sample-editor-config-contributor-1 client extension configures Liferay's legacy text editors. It adds an...
CAPTCHA YAML 設定リファレンス
Official Documentation
CAPTCHA YAML Configuration Reference You can define a CAPTCHA client extension with a client-extension.yaml file. Usage Details This client-extnesion.yaml file defines a CAPTCHA client extension: ...
チェックアウトステップクライアント拡張機能の使用
Official Documentation
Using the Checkout Step Client Extension Liferay DXP 2024.Q1+/Portal GA112+ You can use a client extension to create a new checkout step. This tutorial uses an example client extension from the...
カスタムCKEditor 5プラグインの追加
Official Documentation
Adding a Custom CKEditor 5 Plugin Liferay DXP 2026.Q1+ With an Editor Config Contributor client extension, you can add your own CKEditor 5 plugin to Liferay's editors. This example uses a sample...
カスタム要素をデータセットに接続する
Official Documentation
Connecting a Custom Element to a Data Set Liferay DXP 2026.Q3+ [Release Feature](../../security-and-administration/administration/configuring-liferay/feature-flags.md#release-feature-flags) The...
支払い統合クライアント拡張機能の使用
Official Documentation
Using the Payment Integration Client Extension Liferay DXP 2024.Q1+/Portal GA112+ You can use a client extension to integrate with a new payment method in Liferay. This client extension from the...
ドキュメント紹介システムの実装
Official Documentation
Implementing a Documentation Referral System The ticketing system can be further enhanced with a documentation referral system. The system searches automatically for relevant documentation based on...
CKEditor 5 にカスタムスタイルを追加する
Official Documentation
Adding Custom CKEditor 5 Styles Liferay DXP 2026.Q1+ With an Editor Config Contributor client extension, you can add your own entries to the CKEditor 5 Styles drop-down. A custom style has two...
CAPTCHAクライアント拡張機能の使用
Official Documentation
Using a CAPTCHA Client Extension Liferay DXP 2025.Q3+ CAPTCHA challenges are used on websites to verify a human user is accessing it, and not a bot or malicious code attacking the site. Liferay...
マイクロサービスクライアント拡張機能の使用
Official Documentation
Using a Microservice Client Extension A microservice client extension is a standalone server process that relies on OAuth 2 for communication with Liferay. The microservice is a resource server and...
要素バリエーションの作成と管理
Official Documentation
Creating and Managing Element Variations [Beta Feature](../../security-and-administration/administration/configuring-liferay/feature-flags.md#beta-feature-flags) Liferay DXP 2026.Q3+ An element...
ウィジェットデータのエクスポート/インポート
Official Documentation
Exporting/Importing Widget Data Export data from individual widget instances without affecting the rest of the site. Many widgets support exporting and importing their data separately, including: ...
Exceeded Quota Limit error when deploying client extensions to a Liferay SaaS EXT environment
legacy Troubleshooting
Issue While deploying a client extension to a Liferay SaaS EXT environment, this error is thrown: Some error has happened during the build. Try again. [{"message":"Exceeded Quota...
How is the number of cores reported to Liferay DXP?
legacy
Issue Liferay DXP reports more cores than we expect. For example: A machine has 4 physical cores in the CPU. However Liferay DXP is reporting 8 cores on the <domain>/c/portal/license page. Alternately: we...
DXP license validation fails: exceeded the maximum number of processor cores allowed
legacy Troubleshooting
Issue Our Liferay DXP server fails to validate its production license and logs one of these errors: ERROR [fileinstall-directory-watcher][LicenseManager:?] DXP Production license validation failed java.lang.Exception:...
Preventing host header attacks and stopping invalid host headers returning the default site
legacy How To
Issue Adjusting the Host header in the request can impact page rendering, redirections, and other server-side behaviors. This manipulation can lead to attacks such as cross-site scripting (XSS). If...

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