My Oracle Support Banner

Coherence Cluster POF Serialization Error Caused By: Portable(java.io.StreamCorruptedException): Unknown User Type: NNNN (Doc ID 2430081.1)

Last updated on FEBRUARY 27, 2024

Applies to:

Oracle Coherence - Version 12.2.1.2.0 and later
Information in this document applies to any platform.

Symptoms

On 12.2.1.2.x version, user is facing intermittent POF "unknown user type exception" while accessing to particular cache. Actually, custom pof implemented object user-type is defined and exists in the cluster's pof configuration loaded. However, user not known reason for this runtime error.

 

Changes

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.