#1  
Old 14th January 2020, 01:06 AM
Samuel
 
Posts: n/a
Default "Request live" causes AV (E.M. 4.50.17)

Hi,

In the Enterprise Manager when I run an SQL activating the Request Live
option I get the following AV:

Access violation at address 00000000012BE02C in module
'nxEnterpriseManager.Exe'. Read of address 0000000000000100.

To simulate this problem create a test table:

DROP TABLE IF EXISTS TST_REQUESTLIVE;
CREATE TABLE TST_REQUESTLIVE (ID AUTOINC, FIELD_1 INTEGER);
CREATE UNIQUE INDEX TST_REQUESTLIVE_KY ON TST_REQUESTLIVE (ID);
DECLARE i INTEGER DEFAULT 0;
WHILE i < 100 DO
¬*¬* INSERT INTO TST_REQUESTLIVE (FIELD_1) VALUES (i * 2);
¬*¬* SET i = i + 1;
END WHILE;

Then enable the "Request Live" option and run the command below:

SELECT * FROM TST_REQUESTLIVE;

At the end of this email is the error log.

This error occurs in 32-bit and 64-bit versions of E.M.

My nxServer is 4.50.17 (64 bits) with the option isSecure activated.

Samuel


¬**** Server started ***
Time: [16586765] 2020-01-13 11:53:21.314
ExceptionInfo: $000000000014E790
¬* ExceptionRecord: $000000000014EEF0
¬*¬*¬* ExceptionCode: $C0000005 = EXCEPTION_ACCESS_VIOLATION - The thread
tried to read from or write to a virtual address for which it does not
have the appropriate access.
¬*¬*¬* ExceptionFlags: $00000000
¬*¬*¬* ExceptionRecord: $0000000000000000
¬*¬*¬* ExceptionAddress: $00000000012BE02C
¬*¬*¬* ExceptionInformation[0]: $0000000000000000
¬*¬*¬* ExceptionInformation[1]: $0000000000000100
¬* ContextRecord:
¬*¬*¬* ContextFlags: $0010005F
¬*¬*¬* Dr0: $0000000000000000
¬*¬*¬* Dr1: $0000000000000000
¬*¬*¬* Dr2: $0000000000000000
¬*¬*¬* Dr3: $0000000000000000
¬*¬*¬* Dr6: $0000000000000000
¬*¬*¬* Dr7: $0000000000000000
¬*¬*¬* SegGs: $002B
¬*¬*¬* SegFs: $0053
¬*¬*¬* SegEs: $002B
¬*¬*¬* SegDs: $002B
¬*¬*¬* Rax: $0000000000000000
¬*¬*¬* Rbx: $000003FFFFE4EC90
¬*¬*¬* Rcx: $000003FFFFC57DF0
¬*¬*¬* Rdx: $00000000FFFFFFFF
¬*¬*¬* Rsi: $0000000000000004
¬*¬*¬* Rdi: $0000000000000004
¬*¬*¬* R8:¬* $0000000000000000
¬*¬*¬* R9:¬* $0000000000000000
¬*¬*¬* R10: $0000000000000002
¬*¬*¬* R11: $0000000000000246
¬*¬*¬* R12: $0000000000000202
¬*¬*¬* R13: $000003FFFFC57DF0
¬*¬*¬* R14: $0000000000000000
¬*¬*¬* R15: $0000000000000000
¬*¬*¬* Rbp: $000000000014F1D0
¬*¬*¬* Rip: $00000000012BE02C
¬*¬*¬* SegCs: $0033
¬*¬*¬* EFlags: $00010202
¬*¬*¬* Rsp: $000000000014F180
¬*¬*¬* SegSs: $002B
Exception: nil!
Filesize: 99007296
Filedate: 2020-01-03 13:34:18
Computer: NATSAM-I7-8700K
User: samue
ThreadID: 9884
ProcessID: 6008
Version: 4,5017
AWE Enabled: False
Current Window Caption: NexusDB Enterprise Manager 4.5017
Current Window Class: TfrmMain
--------------------------------------------------------------
Callstack (Frames):
[00000000012BE02C] dxBarDBNav.TdxBarDBNavigator.SetVisibleButtons
[000000000129AAB4] nxExceptionHook.VectoredHandler (Line 217,
"nxExceptionHook.pas")
[00007FFA5D4B8636] Unknown function at RtlIsGenericTableEmpty
[00007FFA5D4AA0D6] Unknown function at RtlRaiseException
[00007FFA5D4DFE6E] KiUserExceptionDispatcher
[00000000012BE02C] dxBarDBNav.TdxBarDBNavigator.SetVisibleButtons
[0000000002B86B59] fmQueryBrowser.TfrmQueryBrowser.SetControls (Line
1190, "fmQueryBrowser.pas")
[0000000002B86419] fmQueryBrowser.TfrmQueryBrowser.QueryTeardown (Line
1143, "fmQueryBrowser.pas")
[0000000002B883BD] fmQueryBrowser.TfrmQueryBrowser.acQueryExecuteExec ute
(Line 1374, "fmQueryBrowser.pas")
[00000000030A4E3F] fmMainForm.TfrmMain.acQueryExecuteExecute (Line 1099,
"fmMainForm.pas")
[00000000004E8122] System.Classes.TBasicAction.Execute (Line 17453,
"System.Classes.pas")
[0000000000636E3A] Vcl.ActnList.TCustomAction.Execute (Line 261,
"Vcl.ActnList.pas")
[00000000004E7E16] System.Classes.TBasicActionLink.Execute (Line 17364,
"System.Classes.pas")
[00000000011DE373] dxBar.TdxBarItem.DoClick
[00000000011DE2BE] dxBar.TdxBarItem.DirectClick
[000000000119170E] dxBar.TdxBarItemControl.ControlUnclick
[00000000011973F7] dxBar.TdxBarButtonControl.ControlUnclick
[000000000117100A] dxBar.TCustomdxBarControl.DoLButtonUp
[00000000011795C1] dxBar.TdxBarControl.DoLButtonUp
[000000000116EE58] dxBar.TCustomdxBarControl.WMLButtonUp
[000000000116DD64] dxBar.TdxBarDockedControl.WMLButtonUp
[0000000000410795] System.TObject.Dispatch (Line 18404, "System.pas")
[0000000000666750] Vcl.Controls.TControl.WndProc (Line 7421,
"Vcl.Controls.pas")
[000000000066D40F] Vcl.Controls.TWinControl.WndProc (Line 10280,
"Vcl.Controls.pas")
[0000000001170069] dxBar.TCustomdxBarControl.WndProc
[000000000117BC94] dxBar.TdxBarControl.WndProc
[000000000066C63C] Vcl.Controls.TWinControl.MainWndProc (Line 9979,
"Vcl.Controls.pas")
[00000000004E9596] System.Classes.StdWndProc (Line 17974,
"System.Classes.pas")
[00007FFA5B5063ED] Unknown function at CallWindowProcW
[00007FFA5B505DE2] Unknown function at DispatchMessageW
[0000000000811B43] Vcl.Forms.TApplication.ProcessMessage (Line 10747,
"Vcl.Forms.pas")
[0000000000811BB8] Vcl.Forms.TApplication.HandleMessage (Line 10777,
"Vcl.Forms.pas")
[0000000000812006] Vcl.Forms.TApplication.Run (Line 10915, "Vcl.Forms.pas")
[00000000031507A2] nxEnterpriseManager.nxEnterpriseManager (Line 126,
"D:\Delphi\3p\NexusDB3Build\Source\trunk\\Enterpri seManager\nxEnterpriseManager.dpr")
[00007FFA5C167BD4] BaseThreadInitThunk
[00007FFA5D4ACED1] RtlUserThreadStart
--------------------------------------------------------------
Callstack (Raw):
[00000000012BE02C] dxBarDBNav.TdxBarDBNavigator.SetVisibleButtons
[000000000129AAFC] nxExceptionHook.VectoredHandler (Line 219,
"nxExceptionHook.pas")
[00007FFA5D4B8636] Unknown function at RtlIsGenericTableEmpty
[00007FFA5D4AA0D6] Unknown function at RtlRaiseException
[00007FFA5D4DFE6E] KiUserExceptionDispatcher
[00000000012BE02C] dxBarDBNav.TdxBarDBNavigator.SetVisibleButtons
[0000000002B86B59] fmQueryBrowser.TfrmQueryBrowser.SetControls (Line
1190, "fmQueryBrowser.pas")
[0000000002B86419] fmQueryBrowser.TfrmQueryBrowser.QueryTeardown (Line
1143, "fmQueryBrowser.pas")
[0000000002B883BD] fmQueryBrowser.TfrmQueryBrowser.acQueryExecuteExec ute
(Line 1374, "fmQueryBrowser.pas")
[00000000030A4E3F] fmMainForm.TfrmMain.acQueryExecuteExecute (Line 1099,
"fmMainForm.pas")
[00000000004E8122] System.Classes.TBasicAction.Execute (Line 17453,
"System.Classes.pas")
[0000000000636E3A] Vcl.ActnList.TCustomAction.Execute (Line 261,
"Vcl.ActnList.pas")
[00000000004E7E16] System.Classes.TBasicActionLink.Execute (Line 17364,
"System.Classes.pas")
[00000000011DE373] dxBar.TdxBarItem.DoClick
[00000000011DE2BE] dxBar.TdxBarItem.DirectClick
[000000000119170E] dxBar.TdxBarItemControl.ControlUnclick
[00000000011973F7] dxBar.TdxBarButtonControl.ControlUnclick
[000000000117100A] dxBar.TCustomdxBarControl.DoLButtonUp
[00000000011795C1] dxBar.TdxBarControl.DoLButtonUp
[000000000116EE58] dxBar.TCustomdxBarControl.WMLButtonUp
[000000000116DD64] dxBar.TdxBarDockedControl.WMLButtonUp
[0000000000410795] System.TObject.Dispatch (Line 18404, "System.pas")
[0000000000666750] Vcl.Controls.TControl.WndProc (Line 7421,
"Vcl.Controls.pas")
[000000000066D40F] Vcl.Controls.TWinControl.WndProc (Line 10280,
"Vcl.Controls.pas")
[0000000001170069] dxBar.TCustomdxBarControl.WndProc
[000000000117BC94] dxBar.TdxBarControl.WndProc
[000000000066C63C] Vcl.Controls.TWinControl.MainWndProc (Line 9979,
"Vcl.Controls.pas")
[00000000004E9596] System.Classes.StdWndProc (Line 17974,
"System.Classes.pas")
[00007FFA5B5063ED] Unknown function at CallWindowProcW
[00007FFA5B505DE2] Unknown function at DispatchMessageW
[0000000000811B43] Vcl.Forms.TApplication.ProcessMessage (Line 10747,
"Vcl.Forms.pas")
[0000000000811BB8] Vcl.Forms.TApplication.HandleMessage (Line 10777,
"Vcl.Forms.pas")
[0000000000812006] Vcl.Forms.TApplication.Run (Line 10915, "Vcl.Forms.pas")
[00000000031507A2] nxEnterpriseManager.nxEnterpriseManager (Line 126,
"D:\Delphi\3p\NexusDB3Build\Source\trunk\\Enterpri seManager\nxEnterpriseManager.dpr")
[00007FFA5C167BD4] BaseThreadInitThunk
[00007FFA5D4ACED1] RtlUserThreadStart
================================================== ============

¬******************************************
¬**** Fatal Exception Flag has been set ***
¬******************************************

Time: [16586875] 2020-01-13 11:53:21.413
ExceptionInfo: nil
Exception: EAccessViolation
Server suspended: true
Message: Access violation at address 00000000012BE02C in module
'nxEnterpriseManager.Exe'. Read of address 0000000000000100
Filesize: 99007296
Filedate: 2020-01-03 13:34:18
Computer: NATSAM-I7-8700K
User: samue
ThreadID: 9884
ProcessID: 6008
Version: 4,5017
AWE Enabled: False
Current Window Caption: NexusDB Enterprise Manager 4.5017
Current Window Class: TfrmMain
--------------------------------------------------------------
Callstack (Frames):
[00000000012BE02C] dxBarDBNav.TdxBarDBNavigator.SetVisibleButtons
[0000000001297B92] JclDebug.JclCreateStackList (Line 5259, "JclDebug.pas")
[0000000001297ADF] JclDebug.DoExceptionStackTrace (Line 5200,
"JclDebug.pas")
[00000000012999DC] JclDebug.DoExceptNotify (Line 6224, "JclDebug.pas")
[00000000012814D2] JclHookExcept.TNotifierItem.DoNotify (Line 272,
"JclHookExcept.pas")
[00000000012817AD] JclHookExcept.DoExceptNotify (Line 347,
"JclHookExcept.pas")
[0000000001281905] JclHookExcept.HookedExceptObjProc (Line 389,
"JclHookExcept.pas")
[0000000000411D4E] System.@DelphiExceptionHandler (Line 20351, "System.pas")
[00007FFA5D4E11FF] Unknown function at __chkstk
[00007FFA5D4AA289] Unknown function at RtlRaiseException
[00007FFA5D4DFE6E] KiUserExceptionDispatcher
[00000000012BE02C] dxBarDBNav.TdxBarDBNavigator.SetVisibleButtons
[0000000002B86B59] fmQueryBrowser.TfrmQueryBrowser.SetControls (Line
1190, "fmQueryBrowser.pas")
[0000000002B86419] fmQueryBrowser.TfrmQueryBrowser.QueryTeardown (Line
1143, "fmQueryBrowser.pas")
[0000000002B883BD] fmQueryBrowser.TfrmQueryBrowser.acQueryExecuteExec ute
(Line 1374, "fmQueryBrowser.pas")
[00000000030A4E3F] fmMainForm.TfrmMain.acQueryExecuteExecute (Line 1099,
"fmMainForm.pas")
[00000000004E8122] System.Classes.TBasicAction.Execute (Line 17453,
"System.Classes.pas")
[0000000000636E3A] Vcl.ActnList.TCustomAction.Execute (Line 261,
"Vcl.ActnList.pas")
[00000000004E7E16] System.Classes.TBasicActionLink.Execute (Line 17364,
"System.Classes.pas")
[00000000011DE373] dxBar.TdxBarItem.DoClick
[00000000011DE2BE] dxBar.TdxBarItem.DirectClick
[000000000119170E] dxBar.TdxBarItemControl.ControlUnclick
[00000000011973F7] dxBar.TdxBarButtonControl.ControlUnclick
[000000000117100A] dxBar.TCustomdxBarControl.DoLButtonUp
[00000000011795C1] dxBar.TdxBarControl.DoLButtonUp
[000000000116EE58] dxBar.TCustomdxBarControl.WMLButtonUp
[000000000116DD64] dxBar.TdxBarDockedControl.WMLButtonUp
[0000000000410795] System.TObject.Dispatch (Line 18404, "System.pas")
[0000000000666750] Vcl.Controls.TControl.WndProc (Line 7421,
"Vcl.Controls.pas")
[000000000066D40F] Vcl.Controls.TWinControl.WndProc (Line 10280,
"Vcl.Controls.pas")
[0000000001170069] dxBar.TCustomdxBarControl.WndProc
[000000000117BC94] dxBar.TdxBarControl.WndProc
[000000000066C63C] Vcl.Controls.TWinControl.MainWndProc (Line 9979,
"Vcl.Controls.pas")
[00000000004E9596] System.Classes.StdWndProc (Line 17974,
"System.Classes.pas")
[00007FFA5B5063ED] Unknown function at CallWindowProcW
[00007FFA5B505DE2] Unknown function at DispatchMessageW
[0000000000811B43] Vcl.Forms.TApplication.ProcessMessage (Line 10747,
"Vcl.Forms.pas")
[0000000000811BB8] Vcl.Forms.TApplication.HandleMessage (Line 10777,
"Vcl.Forms.pas")
[0000000000812006] Vcl.Forms.TApplication.Run (Line 10915, "Vcl.Forms.pas")
[00000000031507A2] nxEnterpriseManager.nxEnterpriseManager (Line 126,
"D:\Delphi\3p\NexusDB3Build\Source\trunk\\Enterpri seManager\nxEnterpriseManager.dpr")
[00007FFA5C167BD4] BaseThreadInitThunk
[00007FFA5D4ACED1] RtlUserThreadStart
================================================== ============


  #2  
Old 14th January 2020, 02:13 PM
Eivind Bakkestuen [NDD]
 
Posts: n/a
Default Re: "Request live" causes AV (E.M. 4.50.17)

> In the Enterprise Manager when I run an SQL activating the Request
> Live option I get the following AV:


Please log in our tracker and I'll fix for the next update.

--
Eivind Bakkestuen [NDD]


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