Java Exception: Cannot Locate Service Implementation Class For Service From JPublisher Created Callout (Doc ID 1321102.1)

Last updated on MARCH 21, 2017

Applies to:

Web Services - Version 11.1.1.0.0 and later
Information in this document applies to any platform.

Symptoms


A web service proxy generated using JPublisher calls a web service developed in-house.

After working for sometime, the following exception begins to occur with the callout:
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ORA-29532: Java call terminated by uncaught Java exception: java.rmi.RemoteException: java.rmi.RemoteException:cannot locate service implementation class for service: package1.MyOutWSService_Impl (HugeClob) 3
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The error occurs intermittently.  The services callouts work fine almost all the time.  Even when the error occurs, users can workaround the issue by closing the current connection and opening a new one.

Cause

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