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Error Using DBAdapter In OSB (Doc ID 2369098.1)

Last updated on JUNE 23, 2021

Applies to:

Oracle Service Bus - Version and later
Information in this document applies to any platform.


I'm using JDeveloper 12c (Build JDEVADF_12.2.1.PATCHSETS_GENERIC_170820.0914.S). I've created a Service Bus project and when I drag the Database adapter across to the external services I get the following error:

Uncaught exception

java.lang.NoClassDefFoundError: oracle/tip/adapter/db/api/TopLinkReadSpec
  j.lang.Class.getDeclaredMethods0(Native Method)

Caused by:
java.lang.ClassNotFoundException: oracle.tip.adapter.db.api.TopLinkReadSpec cannot be found by


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