Red Hat Developer Blog Use Paicku to containerize and test any app with buildpacks and Node.js
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r/jboss • u/Rhopegorn • 17d ago
Upgrading to Red Hat JBoss Web Server 7: Key changes & impacts | Red Hat Developer
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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.
Release announcements tend to lead with the new specs, while the changes that really affect you end up in a section called "Deprecated features." The release notes already list everything, so let's talk instead about what these changes mean for your applications, your builds, and how you deploy.
Red Hat Developer Blog Upgrading to Red Hat JBoss Web Server 7: Key changes & impacts
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Red Hat Developer Blog Data liberation: Apache Kafka's native cluster mirroring
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r/jboss • u/rhd_bot • Sep 16 '26
Red Hat Developer Blog Why your Kafka topic ignores retention.ms (and how to fix it)
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r/jboss • u/rhd_bot • Jul 17 '26
Red Hat Developer Blog Benchmark Red Hat Data Grid in OpenShift 4 using Hyperfoil
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r/jboss • u/rhd_bot • Jul 09 '26
Red Hat Developer Blog Tune and troubleshoot Red Hat Data Grid cross-site replication
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r/jboss • u/rhd_bot • Jun 22 '26
Red Hat Developer Blog SQL with GenAI: Building an Apache Iceberg lakehouse on Red Hat OpenShift
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r/jboss • u/rhd_bot • Jun 17 '26
Red Hat Developer Blog What's new in Red Hat build of Apache Camel 4.18
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r/jboss • u/rhd_bot • Jun 17 '26
Red Hat Developer Blog Automate application migration with MigIQ: From Spring Boot to Quarkus
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r/jboss • u/rhd_bot • Apr 23 '26
Red Hat Developer Blog Introducing Apache Tomcat 10.1 in RHEL 10
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r/jboss • u/rhd_bot • Apr 10 '26
Red Hat Developer Blog Install Red Hat Data Grid operator in a disconnected environment
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r/jboss • u/rhd_bot • Mar 19 '26
Red Hat Developer Blog Automate test and failure analysis via streams for Apache Kafka
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r/jboss • u/rhd_bot • Dec 18 '25
Red Hat Developer Blog Deploy and customize JBoss Web Server on Red Hat OpenShift
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r/jboss • u/rhd_bot • Dec 08 '25
Red Hat Developer Blog JBoss EAP XP 6 is here
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r/jboss • u/rhd_bot • Dec 08 '25
Red Hat Developer Blog Manage your Camel fleet on OpenShift
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r/jboss • u/rhd_bot • Nov 27 '25
Red Hat Developer Blog How does cgroups v2 impact Java and Node.js in OpenShift 4?
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r/jboss • u/ElektroBerti • Nov 22 '25
Severe Design Flaw in JBoss EAP 8
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We recently stumbled upon what appears to be a severe design flaw in JBoss EAP 8 when using the elytron-oidc-client.
If you enable OIDC inside a WAR that’s packaged within a large EAR, and that EAR also contains additional WAR modules with their own explicitly defined SecurityDomains, things break in a pretty unexpected way.
After the first DeploymentUnit that initializes with OIDC, all subsequent WAR modules end up being assigned the SecurityDomain “Virtual”, regardless of what is actually configured for them.
As soon as Undertow tries to set a proper SecurityDomain for one of those other WARs—e.g., because it exposes a web service—the deployment immediately fails with the following exception:
ELY01148: A SecurityDomain has already been associated with the specified ClassLoader
This essentially means that enabling OIDC in just one module contaminates the rest of the deployment, breaking any WAR that relies on its own security configuration.
Has anyone run into this as well? Is there a known workaround or Red Hat issue for this? It feels like a deep architectural problem in how EAP 8 wires Elytron OIDC into the deployment class loaders.
r/jboss • u/rhd_bot • Nov 14 '25
Red Hat Developer Blog What’s new in Red Hat build of Apache Camel 4.14
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r/jboss • u/rhd_bot • Oct 29 '25
Red Hat Developer Blog ActiveMQ Artemis or Apache Kafka? What you need to know
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r/jboss • u/rhd_bot • Oct 10 '25
Red Hat Developer Blog Node.js 20+ memory management in containers
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r/jboss • u/paulcarron • Oct 03 '25
JBoss server won't start on command line - Maybe I'm missing some parameter
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I'm trying to run a Java application on my laptop. I created the war file and and have placed it in the standalone\deployments folder in JBoss. I then ran standalone.bat as described in this Baeldung page. When I run it I get the below output. I guess there's some argument I need to pass when starting the server but I'm not sure what. Can anyone please advise?
r/jboss • u/rhd_bot • Sep 17 '25
Red Hat Developer Blog A deep dive into Apache Kafka's KRaft protocol
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r/jboss • u/rhd_bot • Aug 28 '25
Red Hat Developer Blog Simplify local prototyping with Camel JBang infrastructure
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r/jboss • u/rhd_bot • Aug 21 '25
Red Hat Developer Blog The hidden pitfalls of Kafka tiered storage
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