My Oracle Support Banner

The Network Adapter could not establish the connection With SQL*Developer Connections (Doc ID 2486410.1)

Last updated on JUNE 05, 2023

Applies to:

JDBC - Version 11.2.0.4.0 and later
Information in this document applies to any platform.

Symptoms

When trying to connect via SQL*Developer, the following error is received:

IO Error: The network adapter could not establish the connection

Vendor code: 17002


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


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