Oracle WebLogic Server in production: installation, domains and clustering, patching, deployment, security, tuning and the troubleshooting that comes with it.
In my previous blog named “Changing Fusion Middleware repository database“, I explained how to move a Fusion Middleware repository database from one host to a new host. During the run of this exercise, I came over an issue with the chghost.sh script failing to start the WebLogic Administration Server with the following error: Investigating on the error, I find out…
In my previous blog named “Changing Fusion Middleware Forms and Reports repository database“, I explained how to move a Fusion Middleware Forms and Reports repository from one database to a new database where some other repositories already exist. In this blog, I will explain how to move Fusion Middleware repositories from one database to a brand new database. The Fusion…
Oracle WebLogic container images stored on docker hub are deprecated. Oracle moved these on his own container registry: https://container-registry.oracle.com/ This registry contains many Oracle products, but we will focus on WebLogic in this blog. Prerequisites To be able to pull an image, you must be sign in and accept the license of the image. The license agreement is per image…
In this blog, I will explain how to enable WebLogic monitoring in Prometheus as I did for WildFly in my previous blog. WebLogic Monitoring Exporter Oracle is providing, as open source, a Prometheus-compatible exporter in this github repo. It can be run either in a web application or as a separate process. In this blog, I will focus on the…
After a brand new Fusion Middleware Forms & Reports 12.2.1.4 installation, when accessing 12c forms URL: http://hostname:/forms/frmservlet The following error is raised : Doing some googling and searches on the Oracle support site, I came to the note below where it states that solution is to remove the WebLogic domain, cleanup the database repository and restart the repository and WebLogic…
Oracle delivers patches for WebLogic every 3 months. These Critical Patch Updates (CPU) are often composed of multiple patches which makes even more steps to have them installed on server: Since April 2021, Oracle is providing what they are calling a Stack Patch Bundle (SPB) which includes Stack Patch Bundle Automation Tool (SPBAT). This make the installation easier and safer.…
This blog describes how to configure an Oracle HTTP Server (OHS) 12c fronting a Fusion Middleware Forms and Reports in full SSL mode. This means, the HTTP Server listen in SSL and the mod_wl_ohs plugin is configured to connect to WebLogic Servers configured in SSL. As I did this configuration exercise for the YaK weblogic_domain component, the configuration has been…
During the YaK weblogic_domain component development phase, I added the Oracle fusion middleware forms & Reports and the Oracle fusion middleware infrastructure for Application development Framework (ADF) deployments to the weblogic_domain component. I encountered an issue that the WebLogic domain was created but it was missing the Metadata Service repository (MDS) connection and thus deploying ADF applications was failing. Even…
After creating a new WebLogic Domain that is having multiple WebLogic Servers on multiple hosts, remote WebLogic Servers do not start with the following error reported The highlighted line above shows that the error is related to some encryption. The only encryption done is for the password. To create the WebLogic Domain, I’m using a WLST script that after creating…
