[#DERBY-2935] DDMReader.readLengthAndCodePoint() decodes long integer incorrectly

Derby

DDMReader.readLengthAndCodePoint() decodes long integer incorrectly

Created: 13/Jul/07 09:35 AM Updated: 30/Apr/08 01:15 AM

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Component/s:

Network Server

Affects Version/s:

10.1.3.1, 10.2.2.0, 10.3.1.4, 10.4.1.3

Fix Version/s:

10.3.3.0, 10.4.1.3

Time Tracking:

Not Specified

File Attachments:

File Name	Date Attached	Attached By	Size
decode-long.diff	2007-07-13 09:37 AM	Knut Anders Hatlen	2 kB
test.diff	2007-07-16 08:45 AM	Knut Anders Hatlen	2 kB

Resolution Date:

19/Jul/07 07:50 AM

Description

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DDMReader.readLengthAndCodePoint() contains code to decode a long integer from a byte array. This code is broken since it uses int operations and not long operations in the decoding. The long might be encoded using four, six or eight bytes, and since Derby currently always uses the four bytes encoding, the bug is not exposed in the current code.

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