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Art of BI: SQL Exception: The TCP/IP Connection to the host has failed. java.net.ConnectionException

Christian Screen | | July 7, 2009

Recently when configuring a JSP page based on Venkat’s walk-through of linking an HFR report to an OBIEE answers report we bumped into the following error when trying to access our SQL Server database. It turns out this error is caused when TCP/IP to the SQL Server server instance has been disabled. It is actually disabled by default. Below are the steps to resolve the issue. Once we’ve enabled TCP/IP our JSP page using the JDBC call worked like a charm.

Here is the error:
jdbc_error_in_page_cropped

Open your SQL Server Configuration Manager (Programs > Microsoft SQL Server 2005 > Configuration Tools > …)
ssms_config_mgr

In Configuration Manager, expose the Network Configurations
access_msss_configuration_manager

Right-Click on the TCP/IP item to select it and in the menu click on “Enable”
enable_configuration_mgr_tcpip

Refresh your page and all should be a go.

12c Upgrade Bug with SQL Tuning Advisor

This blog post outlines steps to take on Oracle upgrade 11.2 to 12.1 if you’re having performance problems. Oracle offers a patch and work around to BUG 20540751.

Megan Elphingstone | March 22, 2017

Oracle EPM Cloud Vs. On-Premises: What’s the Difference?

EPM applications help measure the business performance. This post will help you choose the best EPM solutions for your organization’s needs and objectives.

Bobby Ellis | April 10, 2018
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Recover a Table from an RMAN Backup in an Oracle 12c

This blog post will is to show a table restore for one table in a container database

Megan Elphingstone | February 2, 2017

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