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Troubleshooting Connection Problems from JDBC Clients to Real Applications Cluster (RAC) Databases (Doc ID 878703.1)

Last updated on MARCH 13, 2019

Applies to:

JDBC - Version 9.2.0.1 and later
Information in this document applies to any platform.

Purpose

A java client connecting to a Real Applications Cluster (RAC) database using JDBC can encounter several errors or problems, some of which tend to be intermittent and difficult to diagnose. The purpose of this note is to discuss some known problems and provide tips and techniques to troubleshoot and resolve these errors.

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Virtual IP address/ Hostname
 Listener Load Balancing
 Some known Bugs
 oracle.net.ns.SQLnetDef.TCP_CONNTIMEOUT_STR property
References

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