How to fix java.io.InvalidClassException error when accessing Oracle ACM Case API via Jdeveloper by Vikram Bailur

 

clip_image002Here is a quick and useful tip. This was an error I got when I was running a custom java client to query the Oracle Adaptive Case Management API.

From a sort-of related metalink on Oracle which says :

Although the problem couldn’t be recreated by the development team on demand, from the exception is clear that the root cause of the problem is the differnce of the version of the org.eclipse.persistence jar distributed with Oracle JDeveloper and Oracle WLS.

I figured this was something to do with the version of eclipselink libraries currently running on the soa server were different from Jdeveloper install.

In my JDeveloper project, I had some libraries and classpath pointing to my JDeveloper install and some others pointing to my SOA middleware home install for example. Read the complete article here.

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About Jürgen Kress
As a middleware expert Jürgen works at Oracle EMEA Alliances and Channels, responsible for Oracle’s EMEA Fusion Middleware partner business. He is the founder of the Oracle SOA & BPM and the WebLogic Partner Communities and the global Oracle Partner Advisory Councils. With more than 5000 members from all over the world the Middleware Partner Community is the most successful and active community at Oracle. Jürgen manages the community with monthly newsletters, webcasts and conferences. He hosts his annual Fusion Middleware Partner Community Forums and the Fusion Middleware Summer Camps, where more than 200 partners get product updates, roadmap insights and hands-on trainings. Supplemented by many web 2.0 tools like twitter, discussion forums, online communities, blogs and wikis. For the SOA & Cloud Symposium by Thomas Erl, Jürgen is a member of the steering board. He is also a frequent speaker at conferences like the SOA & BPM Integration Days, JAX, UKOUG, OUGN, or OOP.

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