IBM Support

BIP4512S error reporting a NoClassDefFoundError for a User Defined Node

Troubleshooting


Problem

You are deploying (or starting) an Integration Server in App Connect Enterprise (ACE) and receive a BIP4512S error indicating a 'java.lang.NoClassDefFoundError' for a User Defined Node.
The deployment or startup might have worked previously, and is only now failing for the first time, or it might have never worked.

Symptom

BIP4512S: java.lang.NoClassDefFoundError

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSDR5J","label":"IBM App Connect Enterprise"},"ARM Category":[{"code":"a8m0z0000001kEHAAY","label":"ACE-\u003EErrors"}],"ARM Case Number":"TS012490175","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

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Document Information

Modified date:
28 April 2025

UID

ibm16964798