# Runtimes

Published articles for Runtimes.

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## Upgrading to Red Hat JBoss Web Server 7: Key changes & impacts

DevFeed: [Upgrading to Red Hat JBoss Web Server 7: Key changes & impacts](<https://devfeed.tech/articles/upgrading-to-red-hat-jboss-web-server-7-key-changes-impacts-60795.md>)

Original publisher: [Read original article](<https://developers.redhat.com/articles/2026/09/28/upgrading-red-hat-jboss-web-server-7-key-changes-impacts>)

Author: Jeff Beck

Published: 2026-09-28T13:01:50Z

Content type: tutorial

Language: en

Sources: [Red Hat](<https://devfeed.tech/sources/red-hat.md>), [Red Hat Developer](<https://devfeed.tech/sources/red-hat-developer.md>)

Topics: [rhel](<https://devfeed.tech/topics/rhel.md>), [Spring Framework](<https://devfeed.tech/topics/spring-framework.md>), [WebSocket](<https://devfeed.tech/topics/websocket.md>)

Tags: [application-modernization](<https://devfeed.tech/tags/application-modernization.md>), [deprecated](<https://devfeed.tech/tags/deprecated.md>), [jakarta-ee](<https://devfeed.tech/tags/jakarta-ee.md>), [java](<https://devfeed.tech/tags/java.md>), [release](<https://devfeed.tech/tags/release.md>), [runtimes](<https://devfeed.tech/tags/runtimes.md>), [web-server](<https://devfeed.tech/tags/web-server.md>)

### AI overview

Red Hat JBoss Web Server 7 upgrades to Apache Tomcat 11.0.21, Jakarta EE 11, and Java 17. The article explains application and deployment changes, including updates to expression-language record handling, Servlet response APIs, and parameter parsing behavior that may require code changes before deployment.

### Source excerpt

Upgrading your web server layer can mean an afternoon of dependency updates or 3 months of effort troubleshooting breaking changes. With Red Hat JBoss Web Server (JWS) 7 now generally available--bringing Apache Tomcat 11.0.21, Jakarta EE 11, and Java 17--here is what actually impacts your builds and deployments. The post Upgrading to Red Hat JBoss Web Server 7: Key changes & impacts appeared first on Red Hat Developer.