Friday Aug 28, 2015

Getting Started with Oracle WebLogic Server on Docker Containers

Application containerization is rather popular topic in developers’ community at present. The idea behind this is to package and run application as a single service within container. Docker is one of the examples of application containers. Moreover containers technology may be used in popular microservices architectural pattern. Good news for Java EE developers is that Oracle WebLogic Server 12c (12.1.3) is fully certified and supported on Docker containers.[Read More]

Thursday Jul 23, 2015

Admin Server Startup fails with parsing failure in config.xml

During our migration projects with partners , we sometimes run into several problems. In this post I will provide a solution to a problem related to Weblogic Server.

While I was working with one of our partners here at the Oracle Partner Hub Migration Center in Turkey, I faced a problem where I can't restart the Admin Server with an error :

BEA-000362> <Server failed. Reason: [Management:141266]Parsing Failure in config.xml: 
failed to find method MethodName{methodName='setCacheInAppDirectory', paramTypes=[boolean]} on class weblogic.management.configuration.AppDeploymentMBeanImpl>

[Read More]

Wednesday Jul 01, 2015

Partner Webcast – Oracle Weblogic 12c on Oracle Database Appliance X5

With data growing at unprecedented levels, application providers need a robust, scalable and high-performance infrastructure. Oracle Database Appliance is known as a simple, reliable, and complete package of software, server, storage, and networking for ISV applications that can save time and money by helping them streamline deployment, maintenance, and support of application workloads.

Oracle WebLogic on ODA evolved Oracle Database Appliance to an ISV solution in a box, a complete solution for building and deploying enterprise Java EE applications in a fully integrated system that delivers highly available Database and WebLogic services.

[Read More]

Wednesday Jun 24, 2015

Building Simple Java EE REST Service Using Oracle JDeveloper 12c

REST (Representational State Transfer) – an architectural style for designing scalable distributed applications and web services. Nowadays it’s becoming industry standard and widely considered as the best architectural choice for integration between mobile applications and back-end systems. REST services with JSON (JavaScript Object Notation) payload provide lightweight and effective approach for integration purposes and allow minimizing overhead during data exchange.

In this article we will consider how to build very simple REST service which will expose the list of departments from DEPARTMENTS table of HR DB schema.

The purpose of this post to explain the base concepts of Java EE based RESTful service development using JDeveloper 12c (12.1.3) IDE.

[Read More]

Monday May 11, 2015

Change Password in Oracle WebLogic

WebLogicHave you ever forgot the password of WebLogic domain? It is a recurring question I receive now and again: “I’ve forgot my password, how can I reset the AdminServer password in WebLogic domain? Is there a way I can change the password of WebLogic Domain?” For security policy, the administrators need to change regularly the WebLogic password. No problem! Let's discuss how can you reset the WebLogic password from the command line.

[Read More]

Thursday Mar 19, 2015

Error Solving: Oracle WebLogic Server does not start after domain creation

During my last WebLogic workshop, one of the participants encountered with the issue that after installation of WebLogic binaries and creation of the simplest domain configuration (only with Admin Server) from scratch, during the attempt of the first launch of AdminServer it does not start after domain creation and it throws the following error exception: «A failure occurred attempting to load LDIF for provider…».

 See bellow the log:

[Read More]
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