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Article ID: 934058 - Last Review: October 8, 2011 - Revision: 2.0

Bug: #50000940 (SQL Hotfix)

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SYMPTOMS

Consider the following scenario. You develop a Microsoft .NET Framework 2.0-based application by using Microsoft Visual Studio 2005. In the application, you use the .NET Oracle data provider to connect to an Oracle 9i database or an Oracle 10g database. In the database, there is a table that stores an XML file in a long raw column. The size of the XML file is bigger than 8 KB. You use the OracleDataReader.GetBytes method to read the long raw column into an XML file. In this scenario, incorrect data is written to the file. Therefore, some parts of the XML file cannot be parsed.

CAUSE

The XML file is stored in chunks. A chunk is a page that has a size of 8 KB. When the method reads the data, the OracleDataReader object will read the long raw data in chunks. If the size of the data is bigger than 8 KB, the object has to read more than one chunk. Because each chunk has 8 bytes of header information at the beginning, the object incorrectly returns the header information as raw data.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework 2.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support (http://support.microsoft.com/contactus/?ws=support)
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

You must have the .NET Framework 2.0 installed to apply this hotfix.

Restart information

You have to restart the computer after you apply this hotfix.

Registry information

You do not have to change the registry.

Hotfix file information

This hotfix contains only those files that are required to correct the issues that this article lists. This hotfix may not contain of all the files that you must have to fully update a product to the latest build.
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.
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Mscordacwks.dll2.0.50727.827802,30403-07:54x86
Mscorjit.dll2.0.50727.827326,65603-07:54x86
Mscorlib.dll2.0.50727.8274,308,99203-07:54x86
Mscorpe.dll2.0.50727.827102,91203-07:54x86
Mscorwks.dll2.0.50727.8275,634,04803-07:54x86
Normalization.dll2.0.50727.82715,36003-07:54x86
Normidna.nlpNot Applicable59,34203-07:54Not Applicable
Normnfc.nlpNot Applicable45,79403-07:54Not Applicable
Normnfd.nlpNot Applicable39,28403-07:54Not Applicable
Normnfkc.nlpNot Applicable66,38403-07:54Not Applicable
Normnfkd.nlpNot Applicable60,29403-07:54Not Applicable
Peverify.dll2.0.50727.827136,19203-07:54x86
Sos.dll2.0.50727.827382,46403-07:54x86
System.data.dll2.0.50727.8272,902,01603-07:54x86
System.data.oracleclient.dll2.0.50727.827482,30403-07:54x86

WORKAROUND

To work around this problem, use the OracleDataReader.GetOracleBinary method instead of the OracleDataReader.GetBytes method to read the long raw column.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/824684/ ) Description of the standard terminology that is used to describe Microsoft software updates

APPLIES TO
  • Microsoft .NET Framework 2.0
Keywords: 
kbexpertiseadvanced kbfix kbsql2005connect kbqfe KB934058
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