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<p class=MsoNormal>Hi<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-US>Can someone who knos MySQLDataStore.cs look
into this?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>During startup we sometimes get a crash
with littlie info on what has gone wrong.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I have done some tracing to figure out why
we get this during some startups.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Error:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>[SCENE]
[01-18 11:21:14] Loading land objects from storage<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>[APPLICATION] [01-18 11:21:14]<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>APPLICATION EXCEPTION DETECTED:
System.UnhandledExceptionEventArgs<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Exception:
System.Data.DBConcurrencyException: Concurrency violation: the UpdateCommand
affected 0 records.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> at
System.Data.Common.DbDataAdapter.Update (System.Data.DataRow[] dataRows,
System.Data.Common.DataTableMapping tableMapping) [0x00000]<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Application is terminating: True<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>And here is the result:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>This line:<o:p></o:p></span></p>
<p class=MsoNormal>m_landDataAdapter.Update(m_landTable);<o:p></o:p></p>
<p class=MsoNormal><span lang=EN-US>in MySQLDataStore.cs line 531 inside
Commit() is the one causing the exception.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>My manual call-stack:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>MySQLDataStore.Commit()<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>MySQLDataStore.StoreLandObject()<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>MySQLDataStore.StoreLandObject()
is hooked up to OnLandObjectAdded() that is executed during startup.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Scene.</span><span
lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>EventManager</span><span
style='font-size:10.0pt;font-family:"Courier New"'>.OnLandObjectAdded()</span><span
lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>Scene.EventManager.TriggerLandObjectAdded()<br>
LandManager.addLandObject()</span><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>LandManager.IncomingLandObjectFromStorage(LandData)<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>LandManager.IncomingLandObjectsFromStorage(List<LandData>)</span><span
lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>Scene.loadAllLandObjectsFromStorage()<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'>RegionApplicationBase.SetupScene()<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>I think the bug is related to changed being
made to dataset before it is commited, but not 100% sure.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>BR,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US> Tedd<o:p></o:p></span></p>
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