Exception(DoConnect): "Attempted to read/write protected memory. This is of

Hi Experts,
Client is experiencing the following issue when performing task/s in SAP B1, please assist.
SAP B1 version 8.81 PL4
OS Windos 7 32 bit
Error message: Exception(DoConnect): "Attempted to read/write protected memory. This is often indicator that memory is corrupt"
Regards,
David Tengani

Hi
Thanks for your response, Yes there ia addon, XL Reporter and a 3rd party addon.
We tried disabling these addons but the error still shows.
Regards,
David

Similar Messages

Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Hi there, I'm having a weird issue when I try to connect to my DB server from the machine in which is located.
I am using SSMS to connect to the DB. When i use the name of the sql server, I can connect without issues, but when I replace the name with an IP address and a port, i always get this error:
===================================
Cannot connect to 192.168.1.215,1433.
===================================
Attempted to read or write protected memory. This is often an indication that other memory is corrupt. (System.Data)
Program Location:
at SNINativeMethodWrapper.SNIClose(IntPtr pConn)
at System.Data.SqlClient.SNIHandle.ReleaseHandle()
at System.Runtime.InteropServices.SafeHandle.InternalDispose()
at System.Runtime.InteropServices.SafeHandle.Dispose(Boolean disposing)
at System.Runtime.InteropServices.SafeHandle.Dispose()
at System.Data.SqlClient.TdsParserStateObject.Dispose()
at System.Data.SqlClient.TdsParser.Disconnect()
at System.Data.SqlClient.SqlInternalConnectionTds.LoginFailure()
at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(TimeoutTimer timeout, SqlConnectionString connectionOptions, SqlCredential credential, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance)
at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance,
SqlConnectionString userConnectionOptions, SessionData reconnectSessionData)
at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, DbConnectionPoolKey poolKey, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionFactory.CreateNonPooledConnection(DbConnection owningConnection, DbConnectionPoolGroup poolGroup, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
at System.Data.SqlClient.SqlConnection.Open()
at Microsoft.SqlServer.Management.SqlStudio.Explorer.ObjectExplorerService.ValidateConnection(UIConnectionInfo ci, IServerType server)
at Microsoft.SqlServer.Management.UI.ConnectionDlg.Connector.ConnectionThreadUser()
But this only happens when I try to connect from the PC in which the sql server is, when I try to connect by TCP/IP from another machine on the same network, I can login without problems.
Any help will be appreciated.

Hello,
Lot of similar issues related to your post please check if any one is of any help
Attempt to read write protected memory
Similar issue answered here
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers
My TechNet Wiki Articles

SSRS 2008 R2 - on Preview report in report builder itself, getting an error "Attempted to read or write protected memory. This is often an indication that other memory is corrupt". Any Suggestions please to resolve it?

Hi,
I am working on SSRS 2008 R2. On Preview report in report builder itself, i am getting an error "Attempted to read or write protected memory. This is often an indication that other memory is corrupt".
See my below screen shoot.
Any Suggestions please to resolve it?
thank you in advance !
best regards,
Venkat,
[email protected]

Hi Venkat,
According to the error message, I guess that the error occurred when you previewed the report in Business Intelligence Development Studio (BIDS).
Based on my research, I think it may be a Window Layout issue of Visual Studio. Please try the steps below:
Click “Window” button from the toolbar ribbon.
Click “Reset Windows Layout” option.
Click “Yes” to finish the operation.
The following thread is for your reference:
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/90949d68-a611-467c-b438-be97b8ab250b/attempted-to-read-or-write-protected-memory-this-is-often-an-indication-that-other-memory-is
Hope this helps.
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support

System.AccessViolationException:Attempted to read or write protected memory

Hi,
I am using Asp.net with oracle 10 g in my application , it is working perfectly in my machine. i have installed Oracle 10 g in my machine. but i did not installed oracle 10 g in server
but i am running an application from the server. i got this Error:
Attempted to read or write protected memory.This is often an indication that other memory is corrupt.
Please Help me.
Thanks.

Hi,
try to set the
ProxyCreationEnabled property of dbContext is set to true.

AccessViolationException: Attempted to read or write protected memory.

Hello all.
The application that I am working on has a Oracle DB 10g and we want to migrate the DB to 11g (11.2.0.2). The client OS is a Windows 7 x64 and the application (which is an x86 app) is a hybrid between .NET and C++(COM components). The .NET part is using ODP.NET components and the C++ part is using ODBC drivers (oraclient 11.2.0.1 - x86 version).
The problem is that the application works without any problems with the 10g DB but when switching to 11g we get an exception. Basically, we have a try { call COM component } catch(Ex ex) {...} and the Exception ex is a AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. I debugged the C++ part and this strange thing happens: the component opens the connection (using a connection string like this : "driver={Oracle in OraClient}; uid=... pwd=.. "), executes some queries, and on one query (which is the same as the last ones - just some selects), when the data is processed (by data I mean a integer ID), the exception is thrown in .NET code. I was able to enter in afxdb.cpp and it looks like the exception is thrown when GetData method is called. I looked over the ID's from previous queries and the data passed to GetData method is about the same (I mean the fieldtype, index, len, SQL type).
As solutions I tried:
-set "Statement Cache Purge=true" => same effect
- install a instantclient11_2 basic and ODBC drivers (for 11.2.0.2) but I could not connect to the DB (I could find the new drivers in registry WoW64Node/ODBC Drivers, put the location in PATH in front of the other OraClient and replace the OraClient with the name in registry in conn string) => Specified driver could not be loaded due to system error 127.
- tried to see the Marshal.GetLastWin32Error() => returns 0.
Any ideas? :D
Edited by: 917334 on Feb 27, 2012 12:57 PM

The select clause that causes the problem is actually a select over a view. I replaced the select * from MYView with the actual select clause (with inner join) and the issue disappeared.
Any ideas? :)
Solution:
Looks like the view was written using INNER JOIN stuff. I replaced the code from the view with a simple select like this (inner join free):
select table1.col1, table2.col2, table3.col2, from table1, table2, table3 where table1.col1 = table2.col1 and table1.col1 = table3.col1
Some questions still remain (even if my issue is partially solved):
- why was it working on 10g?
- why this particular view crashed? (there are other views that use inner join and don't cause this)
- why was it working when using the full select (with inner join) and not working when selecting over the view?
Edited by: 917334 on 28.02.2012 08:33

Attempted to read or write protected memory error

Hello,
I am using the .Net library and occasionally I get a System.AccessViolationException,"Attempted to read or write protected memory. This is often an indication that other memory is corrupt." Currently it is occurring when trying to initialize a TypedTPINIT object (this has happened in other places before and we just retry the request as a work-around). I set the size equal to the password length + 2 and the constructor for TypedTPINIT throws the exception after making the call to tpaloc. I have code that catches the exception and tries again up to 5 times before bubbling the exception up the chain. Once this exception occurs, no calls can be made to tux, they all throw the same exception. Once the application is closed and restarted (restarting the win32 process), everything works fine with the same data. It will work for a day or two and then fowl up again, seemingly at random. I am unable to reproduce the error at will, we just see it popup now and again, but closing the process and restarting it makes it go away for a while.
Any idea why this exception is happening?
I tried taking the .Net library out of the question and make the call to tpalloc myself using p/invoke and the same thing happens, but not every time.
I appreciate any help you can provide.
~Jason

Hi Jason,
I would suggest using a memory access checking tool like bounds checker, electric fence, or the like, although I don't know what's available in a .NET environment.
Regards,
Todd Little
Oracle Tuxedo Chief Architect

Attempted to read or write protected memory error on reportdocument.load

Reportdocument.load causes "System.AccessViolationException: Attempted to read or write protected memory" error.
The error is not consistent. Sometimes a report will print. Sometimes a report will error.
I am at a loss as to what to try.
I have uninstall the app, reinstalled the app, uninstall and reinstalled .NET frameworks, Visual C++ runtime, etc.,
reworked the code to try to capture the error. Nothing helps. Application crashes with Unhandled exception.
Attempted to read or write to protected memory.
Has anyone been able to resolve this issue?

Hi Mary,
What happens if you set your project to use 4.0 framework?
Anything else in the Event Viewer to show an access violation?
Have you tried updating the printer driver to one that is supported in the Framework? I find most legacy printers tend to use the old DEVMODE structure and not the Framework. Try using the printer off the Window CD rather than the Manufacturers driver.
Is your app doing "Report Bursting"? In other words sending multiple reports one right after the other with no time between?
Are you using any legacy UFL's? Try renaming u2lcom.dll if you are not using them. If you do you'll get an error in formula.
Are you using try/catch in your code around each CR API? It may catch something more for you also.
AND, can you try a C# project, some thing very simple also. I've of issues in VS VB that do not show up in other dev languages. Neither Microsoft or SAP can figure out what the cause is.
Thank you
Don
Edited by: Don Williams on Feb 11, 2011 2:34 PM

Attempted to read or write protected memory

Imports Axzkemkeeper
Imports zkemkeeper
Public Class Form11
Dim q As New Axzkemkeeper.AxCZKEM
Dim con As Boolean = False
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
'Try
' q.CreateControl()
' con = q.Connect_Net("192.168.0.202", CInt(4370))
' If con Then
' MsgBox("yes")
' Else
' MsgBox("fuck!")
' End If
'Catch ex As Exception
' MsgBox(ex.Message)
'End Try
q.CreateControl()
'q.SkinAllThreads()
con = q.Connect_Net("192.168.0.202", CInt(4370))
If con Then
MsgBox("yes")
Else
MsgBox("oh shoot!")
End If
End Sub
End Class
i try to connect biometric device from vb using axzkemkeeper.dll but i comes with error:
An unhandled exception of type 'System.AccessViolationException' occurred in AxInterop.zkemkeeper.dll
Additional information: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
i really thanksful with any advice you give....
best regards...
Exception is:
An unhandled exception of type 'System.AccessViolationException' occurred in AxInterop.zkemkeeper.dll Additional information: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Please refrain from the profanity.
The problem appears to be from inside Axzkemkeeper.AxCZKEM. Whatever that is... I am unable to help with the code you provided.
“If you want something you've never had, you need to do something you've never done.”
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helpful posts and answers
! Answer an interesting question? Write a
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about it! My Articles
*This post does not reflect the opinion of Microsoft, or its employees.

Attempted to read or write protected memory. This is often an indication...

I receive the following error when debugging, but not when running the release version of my .NET 2.0 program:
"Attempted to read or write protected memory. This is often an indication that other memory is corrupt"
It's quite bizarre! I dont really know what else would be needed, but I can provide DLL versions etc if someone asks. Ive posted this in Ora/MTS forum because it only seems to happen when using a transaction on the client side

Hi I have similar issue. Like others, it seems that the error returned by oracle make ASP.NET (w3wp.exe) to have runtime error.
In my case, it occurs about once every day, consistently. The ASP still work even after runtime error but start to take up high cpu usage after 2nd and 3rd time of error, and totally crash (no reponse to the client request) after 3 or 4 times of errors. It recovers back after the server is restarted.
The following is from event log of my server.
Event Type:     Error
Event Source:     ASP.NET 2.0.50727.0
Event Category:     None
Event ID:     1334
Date:          1/15/2009
Time:          10:10:02 AM
User:          N/A
Computer:     AXMAN
Description:
An unhandled exception occurred and the process was terminated.
Application ID: /LM/W3SVC/1/Root/rais
Process ID: 5984
Exception: System.AccessViolationException
Message: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
StackTrace: at System.Data.Common.UnsafeNativeMethods.OCIServerAttach(OciHandle srvhp, OciHandle errhp, Byte[] dblink, Int32 dblink_len, MODE mode)
at System.Data.OracleClient.TracedNativeMethods.OCIServerAttach(OciHandle srvhp, OciHandle errhp, String dblink, Int32 dblink_len, MODE mode)
at System.Data.OracleClient.OracleInternalConnection.OpenOnLocalTransaction(String userName, String password, String serverName, Boolean integratedSecurity, Boolean unicode, Boolean omitOracleConnectionName)
at System.Data.OracleClient.OracleInternalConnection..ctor(OracleConnectionString connectionOptions)
at System.Data.OracleClient.OracleConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options)
at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject)
at System.Data.ProviderBase.DbConnectionPool.PoolCreateRequest(Object state)
at System.Threading._ThreadPoolWaitCallback.WaitCallback_Context(Object state)
at System.Threading.ExecutionContext.runTryCode(Object userData)
at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack)
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)
For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
-------------------------------------------------------------------------------

Attempted to read or write protected memory while adding an existingMessage

Hi,
does anyone know what the reason for this exception might be?
24.11.2009 16:23:04 Error Attempted to read or write protected
memory. This is often an indication that other memory is corrupt.
at System.RuntimeType.ForwardCallToInvokeMember(Strin g memberName,
BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData&
msgData)
at GroupwareTypeLibrary.DIGWMessages.AddExistingMessa ge(String
SenderDisplayName, String SenderEmailAddress, String
SenderEmailAddressType, DateTime CreationDate, MessageBoxTypeConstants
MessageBoxType, MessageStatusConstants MessageStatus,
MessagePriorityConstants MessagePriority, MessageSecurityConstants
MessageSecurity, Object DraftMsg, Object LastModificationDate)
at
com.vivex.archiveconnector.groupwise.GroupWiseInte rfaces.OAPIGroupWise.AddMail(GWMail
message, Mail5 draftmsg)
at
com.vivex.archiveconnector.groupwise.GroupWiseInte rfaces.OAPIGroupWise.AddMessage(GWMessage
message)
at
com.vivex.archiveconnector.groupwise.Agent.Archive Message(GWMessage msg,
User user, Group group, ArchiveSettings archSettings,
GroupWiseArchiveFilter arcFilter)
Best regards, Martin Schmidt.

I don't think this is a GroupWise error.
We would need steps to duplicate the problem.
>>> On Friday, November 27, 2009 at 7:13 AM, Martin
Schmidt<[email protected]> wrote:
> Hi,
>
> does anyone know what the reason for this exception might be?
>
> 24.11.2009 16:23:04 Error Attempted to read or write protected
> memory. This is often an indication that other memory is corrupt.
> at System.RuntimeType.ForwardCallToInvokeMember(Strin g memberName,
> BindingFlags flags, Object target, Int32[] aWrapperTypes, MessageData&
> msgData)
> at GroupwareTypeLibrary.DIGWMessages.AddExistingMessa ge(String
> SenderDisplayName, String SenderEmailAddress, String
> SenderEmailAddressType, DateTime CreationDate, MessageBoxTypeConstants
> MessageBoxType, MessageStatusConstants MessageStatus,
> MessagePriorityConstants MessagePriority, MessageSecurityConstants
> MessageSecurity, Object DraftMsg, Object LastModificationDate)
> at
>
com.vivex.archiveconnector.groupwise.GroupWiseInte rfaces.OAPIGroupWise.AddMa
> il(GWMail
> message, Mail5 draftmsg)
> at
>
com.vivex.archiveconnector.groupwise.GroupWiseInte rfaces.OAPIGroupWise.AddMe
> ssage(GWMessage
> message)
> at
> com.vivex.archiveconnector.groupwise.Agent.Archive Message(GWMessage msg,
> User user, Group group, ArchiveSettings archSettings,
> GroupWiseArchiveFilter arcFilter)
>
> Best regards, Martin Schmidt.

Error "Attempted to read or write protected memory"

When I started using Microsoft Visual 2008, he began appearing this error "Attempted to read or write protected memory. This is often an indication that other memory is corrupt" and not know what could be.
To debug the program the error occurred after executing the line:
objBP = (BusinessPartners)objCompany.GetBusinessObject(BoObjectTypes.oBusinessPartners)
Does anyone know what might cause this error?

I isolated the piece of code for testing:
private void button5_Click(object sender, EventArgs e)
            try
                if (objCompany.Connected) {
                   objSBOBob = (SBObob)objCompany.GetBusinessObject(BoObjectTypes.BoBridge);
                   objRecordset = (Recordset)objCompany.GetBusinessObject(BoObjectTypes.BoRecordset);
                   objBP = (BusinessPartners)objCompany.GetBusinessObject(BoObjectTypes.oBusinessPartners);
                   objRecordset = objSBOBob.GetBPList(BoCardTypes.cSupplier);
                   objBP.Browser.Recordset = objRecordset;
            catch (Exception er)
                MessageBox.Show(er.Message);
And the variables:
private BusinessPartners objBP = null;
        private Recordset objRecordset = null;
        private SBObob objSBOBob = null;

Attempted to read or write protected memory....Management Studio 2012

I'm getting that error when I select "Edit Top 200 Rows" on a table. The SMSS will crash. This is running on Windows server 2012 R2. Is there a fix, SP update, something? I did not have this problem on Windows Server 2012.
TITLE: Microsoft SQL Server Management Studio
Exception has been thrown by the target of an invocation. (mscorlib)
ADDITIONAL INFORMATION:
Attempted to read or write protected memory. This is often an indication that other memory is corrupt. (Microsoft.VisualStudio.OLE.Interop)
BUTTONS:
OK
Lee

Hi Lee,
According to your description, it is a known issue that has been submitted to Microsoft. I recommend you voting in the following connect items, your feedback is valuable for us to improve our products and increase the level of service provided.
http://connect.microsoft.com/SQLServer/feedbackdetail/view/952483/getting-error-when-right-click-table-of-sql-server-2014-db-and-click-edit-to-200-rows-in-ssms-2012
https://connect.microsoft.com/SQLServer/feedback/details/817241/for-sql-2014-ctp-2-cu4-edit-top-200-rows-option-for-a-table-in-ssms-results-in-an-exception-and-tool-hang
Additionally, I also reproduce the same error message as yours when using SSMS 2012 to connect to SQL Server 2014 database on Windows Server 2008 R2 and selecting "Edit Top 200 Rows".
To work around this issue, as Shanky’s post, please use SSMS 2014 to connect to SQL Server 2014, then you can use the "Edit Top 200 Rows" feature. Or you can write T-SQL to edit data from SQL Server 2014 database in SSMS 2012.
Thanks,
Lydia Zhang
If you have any feedback on our support, please click
here.

SharePoint crashing - Attempted to read or write protected memory

Hey,
My corporate intranet keeps crashing and becoming unresponsive. This is resolved by running an IISReset.
The error reported is the standard SharePoint 2010 error page with a correlation id, an using ULS Deobfuscator the actual exception, which is:
System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
Microsoft.SharePoint.Portal.WebControls.LocStringIdLookupTable..cctor()
Could this be caused by custom code on the server? We have a lot of customizations, so it could be painful to track down. If I need to, are there any tools out there I could use to trace the source of the exception?
Any help with this would be much appreciated as this is happening a lot and disrupting the companies function.
Cheers
M

Hi All,
i've been experiencing similar issues on some customer's sharepoint 2010 WFE's. Every few days, sometimes multiple times a day, one of the app pools somehow crashed, with the effect that every attempt to use the foundation search resulted in an unexpected
error. In the ULS logs, we had the same AccessViolationException at the LocStringIdLookupTable static constructor. After an app pool recycle, the error was gone for a few hours/days and reappeared then.
We've had another issue that seemed to occur on another farm with similar frequency: Suddenly, all list forms were empty and some (sharepoint internal) ribbon controls like "View Item", "Edit Item", "New Item" and several others. It turned out that several
type instantiations failed for these ribbon controls (seen in ULS logs).
After some investigation there seemed to be no real reason why these types couldn't be found, as all sharepoint assemblies have been in place, and after an app pool recycle, everything was running fine again.
Then i had a look at the certificate revocation list check for authenticode assemblies, and this is what seemed to be the root cause of all my problems. All our servers have no internet connection, and all authenticode signed assemblies are trying to validate
against the CRL over internet, which leads to long loading delays for all these assemblies (See
http://support.microsoft.com/kb/936707/en-us).
I can't prove it, but i suppose that it somehow happens that assemblies sometimes fail to load due to the lack of the internet connection during CRL check.
After disabling the CRL check for all sharepoint servers (as described in the hotfix), the issues with the AccessViolationException never occured again (environment running fine for more than 6 weeks without any issues).
I disabled the CRL check for the other environment (where the ribbon issues occured) last weekend, and i hope this will fix it, too.
As we got a huge amount of servers at different stages, i wrote a powershell script to remotely implement the changes to the machine.config. If someone needs it, i will post it here, too.
These issues seemed to start with some security patches, but i haven't been able to figure out which one, yet.

Attempted to read or write protected memory problems

Hi there, we are having some issues with ODP.net. every few days after our system has been used quite a lot we get the "Attempted to read or write protected memory. This is often an indication that other memory is corrupt." errors.
I can reproduce this just by launching some threads that all make some DB calls, and after a while (took over an hour in the case) we encounter the error. It it not just one DB call causing it, looking at the logs it does appear to only be calls to 'Get' data, but just about all of them have failed at some point.
Yes we have upgraded to the latest version 11.1.0.6.20 and it still happens. Here are some stack traces, Oracle.DataAccess.Client.OpsSql.AllocSqlValCtx seems to be the most common in the stack traces though, others do occur.
at Oracle.DataAccess.Client.OpsSql.AllocSqlValCtx(OpoSqlValCtx*& pOpoSqlValCtx) at Oracle.DataAccess.Client.OracleCommand.BuildCommandText() at Oracle.DataAccess.Client.OracleCommand.ExecuteReader(Boolean requery, Boolean fillRequest, CommandBehavior behavior) at Oracle.DataAccess.Client.OracleCommand.ExecuteReader() at BUPA.HUGO.Common.DataAccessLayer.Database.StoredProcedures.ProspectSP.GetPersonProspectStoredProcedure.GetFullPersonDetailsDataReader(Int64 personId) in c:\Projects\CC.NETbuild_Hugo_Prod\Server\RF_Hugo_Services\Common\DataAccessLayer\Database\StoredProcedures\ProspectSP\GetPersonProspectStoredProcedure.cs:line 43
Sometime the top of the stack is
at Oracle.DataAccess.Client.OpsSql.CopySqlValCtx(OpoSqlValCtx* pOpoSqlValCtxSrc, OpoSqlValCtx*& pOpoSqlValCtxDst) at Oracle.DataAccess.Client.OracleParameter.PostBind_RefCursor(OracleConnection conn, OpoSqlValCtx* pOpoSqlValCtx) at Oracle.DataAccess.Client.OracleParameter.PostBind(OracleConnection conn, OpoSqlValCtx* pOpoSqlValCtx, Int32 arraySize) at Oracle.DataAccess.Client.OracleCommand.ExecuteReader(Boolean requery, Boolean fillRequest, CommandBehavior behavior) at
or
at Oracle.DataAccess.Client.OpsDac.Read(IntPtr opsConCtx, IntPtr opsErrCtx, IntPtr opsSqlCtx, IntPtr& opsDacCtx, OpoSqlValCtx* pOpoSqlValCtx, OpoMetValCtx* pOpoMetValCtx, OpoDacValCtx* pOpoDacValCtx) at Oracle.DataAccess.Client.OracleDataReader.Read()
Does anyone have any ideas? I saw some older post just asking people to try the new version (which we have). Any help on this matter would be great. We are having trouble figuring out if it is something we are not doing correctly or if there is a bug in ODP.NET.
Thank you,
Luke

Hello,
I've got exactly the same problem. We're using ODP.NET 10g R2 10.2.0.3.02 with RAC database. I found that this error only occurs after a Failover event.
My application is .NET 3.0 WPF app.
I'm able to reproduce this error at any time.
Please have a look at some source code:
//opening OracleConnection:
theConn.Open();
theConn.Failover += new OracleFailoverEventHandler(theConn_Failover);
// handling the Failover event as stated in the docs:
static FailoverReturnCode theConn_Failover(object sender, OracleFailoverEventArgs eventArgs)
Logging.LogInfo("DB-FailoverEvent: " + eventArgs.FailoverEvent.ToString() + " - Type: " + eventArgs.FailoverType.ToString());
switch (eventArgs.FailoverEvent)
case FailoverEvent.Begin:
Logging.LogInfo("FailoverEvent.Begin - Failover is starting");
Logging.LogInfo("FailoverType = " + eventArgs.FailoverType.ToString());
break; // TODO: might not be correct. Was : Exit Select
case FailoverEvent.End:
Logging.LogInfo("FailoverEvent.End - Failover was successful");
break; // TODO: might not be correct. Was : Exit Select
case FailoverEvent.Reauth:
Logging.LogInfo("FailoverEvent.Reauth - User reauthenticated");
break; // TODO: might not be correct. Was : Exit Select
case FailoverEvent.Error:
Logging.LogInfo("FailoverEvent.Error - Failover was unsuccessful");
// Sleep for 3 sec and Retry
Thread.Sleep(3000);
return FailoverReturnCode.Retry;
case FailoverEvent.Abort:
Logging.LogInfo("FailoverEvent.Abort - Failover was unsuccessful");
break; // TODO: might not be correct. Was : Exit Select
default:
Logging.LogInfo("Invalid FailoverEvent : " + eventArgs.FailoverEvent.ToString());
break; // TODO: might not be correct. Was : Exit Select
// comment following lines will not raise an error
if (connect2DB())
return FailoverReturnCode.Success;
else
return FailoverReturnCode.Retry;
And here's the source for checking DB-connection:
private static bool connect2DB()
if (null == myConn)
myConn = openOracleConnection();
if (null == myConn)
Thread.Sleep(5000);
return false;
try
if ((myConn.State == ConnectionState.Broken) || (myConn.State == ConnectionState.Closed))
myConn = openOracleConnection();
String sql = "SELECT 1 FROM dual";
using (OracleCommand cmd = new OracleCommand())
cmd.Connection = myConn;
cmd.CommandText = sql;
cmd.CommandTimeout = 2;
using (OracleDataReader dr = cmd.ExecuteReader())
dr.Read();
catch (Exception ex)
Logging.LogError(ex);
closeOracleConnection(myConn);
myConn = openOracleConnection();
setDBConnState();
if (null != myConn)
if ((myConn.State == ConnectionState.Broken) || (myConn.State == ConnectionState.Closed))
return false;
else
return true;
else
return false;
When I don't call "connect2DB()" in the failover event handler then everything is fine - otherwise oops the error occurs after approx. 14 hours after application runtime.
Regards
Sven

"Attempted to read or write protected memory" error in loading a report.

Development Environment
===
Windows XP
Visual Studio 2008 Pro; with Crystal Reports 2008 for Visual Studio
TagetCPU: 'AnyCPU'
VB.net 3.5
Windows dll
Crystal Reports Runtime SP2 (12.2.0.290)
Deployment Environment
===
Windows XP
.net3.5
Crystal Reports Runtime SP3 (no be confirmed)
I have created a windows dll with a form with a reportdocument, that loads a report (CrystalDecisions.CrystalReports.Engine.ReportDocument).
Then we circle through the report setting every table location to point at a specific ODBC and database.
The Dll can do this process several hundred reports in a day. However a small number (less than 10) of these have the following error:
"Attempted to read or write protected memory. This is often an indication that other memory is corrupt."
This is normally occurring when the reportDocument.Load function is called. But also happens when going through the setting of table locations: [myTable.ApplyLogOnInfo(TmpTableLogOnInfo)
The dll is called via COM interop and so i have checked "Register for COM interop".
Simon@Sanderson

1) Get to SP 3:
for dev computer:
https://smpdl.sap-ag.de/~sapidp/012002523100007123572010E/cr2008_sp3.exe
Recompile the app after SP3 is applied.
for SP3 runtime:
MSI
https://smpdl.sap-ag.de/~sapidp/012002523100007123592010E/cr2008sp3_redist.zip
MSM
https://smpdl.sap-ag.de/~sapidp/012002523100007123582010E/cr2008sp3_mm.zip
(You will have to uninstall SP 2 runtime before installing SP 3 runtime)
2) Do not use "Any CPU". CR2008 is only 32 bit anyhow so use 32 bit.
3) Make sure you are using .Close and .Dispose once you are done with each report object
- Ludek

Exception(DoConnect): "Attempted to read/write protected memory. This is of

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