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FIX: Slow performance when you use the BizTalk Adapter for Oracle Database as a receive adapter in Microsoft BizTalk Server

When you use Microsoft BizTalk Adapter for Oracle Database as a receive adapter in Microsoft BizTalk Server, the BizTalk Adapter for Oracle Database stops polling receive locations under heavy load conditions. When this occurs, any messages are queued and the size of the tables in the Oracle database increase.

Additionally, you notice that four event messages are logged in the Application log on the BizTalk Server. The source of these events is "Microsoft BizTalk Adapters for Enterprise Applications." The descriptions of these events resemble the following:

Event Message 1

Failed parsing XML reply

Event Message 2

An invalid parameter was passed Call to TableChangeEvent@SOAP://xmlns/<Server Name>/<Table Name>:Binding

Event Message 3

I-OAP0029: Routing of OracleDb://<Server Name>/<User Name>/Tables/<Table Name>/TableChangeEvent returned with an exception. Verify the log for the reason

Event Message 4

I-OAP0023: Failure to notify for OracleDb://<Server Name>/<User Name>/Tables/<Table Name>/TableChangeEvent

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.


You must have the Microsoft BizTalk Adapters for Enterprise Applications (also known as Microsoft BizTalk LOB Adapters) installed to apply this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
File nameFile versionFile sizeDateTimePlatform
Note Because of file dependencies, the most recent hotfix that contains these files may also contain additional files.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
To work around this problem, restart the BizTalk host instance.
For more information about Microsoft BizTalk Adapter for Oracle Database, visit the following Microsoft Web site:
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
Oracle stops polling

Article ID: 971274 - Last Review: 06/11/2009 09:16:50 - Revision: 1.0

Microsoft BizTalk Adapter for Oracle Database

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