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  Oracle Tips by Burleson

Troubleshooting Problems with HTML DB Connections

If the screen shown in Figure 2.1 is not displayed, the following information may help with troubleshooting.

Service Temporarily Unavailable

If you receive: 

Service Temporarily Unavailable

The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.

This error could be due to the PlsqlDatabaseConnectString parameter in the dads.conf file not being configured correctly to connect to the database.

It can also be because the tnsnames.ora file is not setup correctly.  When both the Oracle HTTP Server and the database are installed on the same machine, there will be two locations where the tnsnames.ora file is located.  They will each be located in their appropriate home directories: ORACLE_HOME/network/admin/tnsnames.ora.  Verify these files are configured correctly.  The connection can be checked using SQL*Plus.  SQL*Plus will also exist in both homes in the ORACLE_HOME/bin directory.


The above book excerpt is from:

Easy HTML-DB Oracle Application Express

Create Dynamic Web Pages with OAE

ISBN 0-9761573-1-4   

Michael Cunningham & Kent Crotty

http://www.rampant-books.com/book_2005_2_html_db.htm

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