[Mono-bugs] [Bug 658249] New: DataTable GetChanges() or AcceptChanges() causes a timeout

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Dec 8 09:26:48 EST 2010



           Summary: DataTable GetChanges() or AcceptChanges() causes a
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.8.x
          Platform: x86-64
        OS/Version: openSUSE 11.3
            Status: NEW
          Severity: Critical
          Priority: P5 - None
         Component: Sys.Data
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: aldo.prinzi at docubox.it
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

Created an attachment (id=403936)
 --> (http://bugzilla.novell.com/attachment.cgi?id=403936)
Code to reproduce problem

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.1; it; rv:
Gecko/20101026 Firefox/3.6.12

My program is on production by more than one year and works well on Windows and
ond older (older than 2.8.x) versions of Mono.

I have a System.Data.DataTable filled with big string data.

It hangs when I need to check for changes or AcceptChages() before persist it
on file.

I have done several test to reproduce the problem, and I have attached code to
reproduce it

Reproducible: Always

Steps to Reproduce:
See attached code
Actual Results:  
On Windows (.net 2.0)
    1) 15:04:20 2) 0,0624sec 3) 9,4380sec 4) 9,4380sec
On MONO (2.8.1 using VmWare Virtual Machine downloaded from the site, with
OpenSuse, but I have the same problem on Slackware 13/64)
    1) 14:58:00 2) 0.0339sec bash: line 1:  4271 Killed                 
/usr/bin/mono --debug

Expected Results:  
No error.

At this time to let the program be executed I have removed the AcceptChanges()
statement from my code.

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