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Posted to derby-dev@db.apache.org by "Kristian Waagan (JIRA)" <ji...@apache.org> on 2008/07/01 11:11:45 UTC
[jira] Updated: (DERBY-3735) Incorrect position calculation in
PositionedStoreStream with read(byte[],...)
[ https://issues.apache.org/jira/browse/DERBY-3735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kristian Waagan updated DERBY-3735:
-----------------------------------
Fix Version/s: 10.4.1.4
Backported fix (patches 1b and 2a) to the 10.4 branch with revision 673030.
Running tests on 10.3.
> Incorrect position calculation in PositionedStoreStream with read(byte[],...)
> -----------------------------------------------------------------------------
>
> Key: DERBY-3735
> URL: https://issues.apache.org/jira/browse/DERBY-3735
> Project: Derby
> Issue Type: Bug
> Components: JDBC, Store
> Affects Versions: 10.3.1.4, 10.4.1.3, 10.5.0.0
> Reporter: Kristian Waagan
> Assignee: Kristian Waagan
> Priority: Minor
> Fix For: 10.4.1.4, 10.5.0.0
>
> Attachments: derby-3735-1a.diff, derby-3735-1a.stat, derby-3735-1b.diff, derby-3735-2a.diff
>
>
> A bug in the methods 'read(byte[])' and 'read(byte[],int,int)' in PositionedStoreStream can cause the position variable to be set to an incorrect value.
> The bug is only triggered if one of the two read methods is invoked after EOF of the underlying stream has been reached.
> If the bug is triggered, the position will be decreased by one because the underlying stream returns -1. Subsequent reads will further decrease the position. This can cause EOF-exceptions (during repositioning) or incorrect data being returned in subsequent calls.
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