Connecting to a Web Service Fails with TNS-12519: TNS:no appropriate service handler found (Doc ID 3079750.1)

Last updated on APRIL 01, 2025

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

A Physical Standby database was converted into a Snapshot Standby database.

Since then, connecting to a web service now fails with the following error:

TNS-12519: TNS:no appropriate service handler found

Cause

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In this Document

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Connecting to a Web Service Fails with TNS-12519: TNS:no appropriate service handler found (Doc ID 3079750.1)

Applies to:

Symptoms

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!