View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0004915 | JEDI VCL | 00 JVCL Components | public | 2009-09-01 15:42 | 2009-12-04 15:33 |
| Reporter | Brian | Assigned To | obones | ||
| Priority | normal | Severity | major | Reproducibility | random |
| Status | resolved | Resolution | unable to reproduce | ||
| Product Version | Daily / GIT | ||||
| Target Version | Fixed in Version | ||||
| Summary | 0004915: JvListView causes AV when clearing the items | ||||
| Description | I'm gettting many reports from users after switched from ListView to JvListView (with no other code changes): exception class : EAccessViolation exception message : Access violation at address 00401FEF. Read of address 70706120. main thread ($21c): 00401fef +017 System 103 +0 SysFreeMem 004031ba +026 System 103 +0 @ReallocMem 0047a040 +030 Classes TList.SetCapacity 00479c60 +010 Classes TList.Clear 00479c0b +00f Classes TList.Destroy 00404464 +008 System 103 +0 TObject.Free 004d6026 +00e ComCtrls TSubItems.Destroy 00404464 +008 System 103 +0 TObject.Free 004d6292 +05a ComCtrls TListItem.Destroy 0059b13a +02a JvListView TJvListItem.Destroy 00404464 +008 System 103 +0 TObject.Free 004d62d6 +01a ComCtrls TListItem.Delete 004da95c +030 ComCtrls TCustomListView.Delete 004da282 +9ce ComCtrls TCustomListView.CNNotify 0059ce20 +038 JvListView TJvListView.CNNotify 004f9e7a +2d2 Controls TControl.WndProc 004fe37f +513 Controls TWinControl.WndProc 004daad4 +078 ComCtrls TCustomListView.WndProc 00599257 +4ab JvExComCtrls TJvExListView.WndProc 004f9aa0 +024 Controls TControl.Perform 004fe4cf +023 Controls DoControlMsg 004feeed +00d Controls TWinControl.WMNotify 004f9e7a +2d2 Controls TControl.WndProc 004fe37f +513 Controls TWinControl.WndProc 004fda98 +02c Controls TWinControl.MainWndProc 00485be8 +014 Classes StdWndProc 0050182f +0b7 Controls DoCalcConstraints 004fda98 +02c Controls TWinControl.MainWndProc 00485be8 +014 Classes StdWndProc 7c90e450 +010 ntdll.dll KiUserCallbackDispatcher 7e41b8fe +044 USER32.dll SendMessageW 0050182f +0b7 Controls DoCalcConstraints 7e41c654 +016 USER32.dll CallWindowProcW 004fe47b +0d7 Controls TWinControl.DefaultHandler 004f9e7a +2d2 Controls TControl.WndProc 004fe37f +513 Controls TWinControl.WndProc 004daad4 +078 ComCtrls TCustomListView.WndProc 00599257 +4ab JvExComCtrls TJvExListView.WndProc 004fda98 +02c Controls TWinControl.MainWndProc 00485be8 +014 Classes StdWndProc 7c90e450 +010 ntdll.dll KiUserCallbackDispatcher 0068cfef +0e3 RedoView this starts at Items.Clear; ^ | ||||
| Tags | No tags attached. | ||||
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00401fd8 public System.SysFreeMem: ; function entry point 00401fd8 edx, [eax-4] 00401fdb dl, 7 00401fde ecx, eax 00401fe0 ebx 00401fe1 bl, [$74d055] 00401fe7 loc_4020d0 00401fed bl, bl 00401fef > ebx, [edx] 00401ff1 loc_402054 00401ff3 dword ptr [edx+$c], 1 00401ff7 eax, [edx+8] 00401ffa loc_402028 00401ffc eax, eax 00401ffe [edx+8], ecx 00402001 eax, [eax+1] 00402004 [ecx-4], eax 00402007 loc_402010 00402009 eax, eax |
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this starts at Items.Clear; -> actually ListView.Clear; |
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Hello, We would really like to have the zipped sources of a sample application showing this. |
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I can't reproduce it, but many of my users are sending bug reports about this. |
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Well, if we can't reproduce it, we can't fix it |
| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2009-09-01 15:42 | Brian | New Issue | |
| 2009-09-01 15:43 | Brian | Note Added: 0016031 | |
| 2009-09-01 15:44 | Brian | Note Added: 0016032 | |
| 2009-09-09 19:37 | obones | Note Added: 0016070 | |
| 2009-09-09 19:37 | obones | Status | new => feedback |
| 2009-09-09 20:17 | Brian | Note Added: 0016078 | |
| 2009-12-04 15:33 | obones | Note Added: 0016955 | |
| 2009-12-04 15:33 | obones | Status | feedback => resolved |
| 2009-12-04 15:33 | obones | Resolution | open => unable to reproduce |
| 2009-12-04 15:33 | obones | Assigned To | => obones |
