Application integration & Middleware

Oracle Fusion Middleware 12c to 14c: 6 Critical Lessons

Upgrading Oracle Fusion Middleware from 12c to 14c is not simply about installing new binaries and running the Upgrade Assistant. After working on several Oracle Fusion Middleware upgrades, involving WebLogic Server, ADF, Oracle Forms, Oracle Reports, Oracle HTTP Server, and(…)

Oracle OHS 14.1.2 Upgrade: Cache Broke Authentication

During a recent Oracle Fusion Middleware upgrade from 12.2.1.4 to 14.1.2, I encountered an interesting issue with Oracle HTTP Server (OHS) and WebGate. The upgraded components were running, but WebGate initialization failed and the application was(…)

Oracle Reports 14.1.2 REP-50125 – A Hidden REPORTS_JVM_OPTIONS Requirement

How bytecode analysis exposed an ORB initialization defect during an Oracle Fusion Middleware upgrade!(…)

Oracle WebLogic Configuration Wizard Freezes on Linux

During an Oracle Fusion Middleware 14.1.2 upgrade, I encountered an issue while reconfiguring an existing Oracle ADF domain. The WebLogic Configuration Wizard launched successfully through SSH X11 forwarding, but the graphical interface became unresponsive during the reconfiguration.

Oracle FMW Upgrade – ADF Failed (INVALID_WLS_COMPONENT_SCHEMA_OWNER)

During the preparation of an Oracle Fusion Middleware upgrade from 12.2.1.4 to 14.1.2, the Upgrade Assistant readiness check flagged the WebLogic schema in an ADF domain. The error identified during the investigation was INVALID_WLS_COMPONENT_SCHEMA_OWNER.

Oracle Reports: REP-50125: An internal exception occurred

A client contacted me after an operating system upgrade and the restart of an Oracle Fusion Middleware environment. The application servers were running. The ADF applications appeared healthy. Both Oracle Reports Server processes were also reported(…)

Oracle Fusion Middleware to the Cloud

More and more often, we are contacted to assess, challenge, and advise on the migration of Oracle Fusion Middleware platforms to the cloud. These discussions usually involve critical environments based on Oracle WebLogic Server, Oracle Forms, and sometimes Oracle Reports.

JBoss EAP: From Traditional Application Server to Modern Enterprise Runtime

When discussing modern application platforms, JBoss EAP is rarely the technology that creates the most excitement. Today, the attention is more often on Kubernetes, OpenShift, Quarkus, serverless platforms, service meshes, GitOps, and(…)

Moving JBoss EAP Workloads to OpenShift

More and more customers running traditional Java EE or Jakarta EE workloads are asking the same question: “We already use JBoss EAP. Should we move to Kubernetes or OpenShift, and do we need to replace the application server?”(…)

Oracle Forms: Java Web Start or FSAL?

A customer recently asked me about the difference between Java Web Start and the Forms Standalone Launcher for running Oracle Forms applications. I found it a very good question. From the user’s perspective, both methods look similar: the Forms application(…)