Call to Table.SetDataSource() causes FileLoadException in Windows service

I'm porting code toVS2010/Crystal Reports VS2010 that has worked flawlessly 24/7 for the past 2 years. Original code used VS2008/CR VS2008.
I generate reports from a background Windows service using Crystal Reports. I have a set of report generation CR components that work in a variety of contexts - WinForms apps, console apps and the Windows service.
When I ported to VS 2010, all of my apps worked fine, except for the Windows service. In the service, the first call to Table.SetDataSource() causes the service to crash. I've used detailed logging in the service to pinpoint the source of the error. I log before and after the call to SetDataSource(), but only the before message is logged.
VS2010 version - 10/0/30318.1 RTMRel
CR VS2010 runtime version - 13.0.2000.0
I see the following in the 'Application' event log after this happens:
=======================
EventType clr20r3, P1 usastudiosservice.exe, P2 1.0.4065.17651, P3 4d5d3537, P4 mscorlib, P5 4.0.0.0, P6 4ba1da6f, P7 2463, P8 0, P9 system.io.fileloadexception, P10 NIL.
=======================
Application: UsaStudiosService.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: System.IO.FileLoadException
Stack:
   at System.Reflection.RuntimeAssembly._nLoad(System.Reflection.AssemblyName, System.String, System.Security.Policy.Evidence, System.Reflection.RuntimeAssembly, System.Threading.StackCrawlMark ByRef, Boolean, Boolean, Boolean)
   at System.Reflection.RuntimeAssembly.nLoad(System.Reflection.AssemblyName, System.String, System.Security.Policy.Evidence, System.Reflection.RuntimeAssembly, System.Threading.StackCrawlMark ByRef, Boolean, Boolean, Boolean)
   at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(System.Reflection.AssemblyName, System.Security.Policy.Evidence, System.Threading.StackCrawlMark ByRef, Boolean, Boolean)
   at System.Reflection.RuntimeAssembly.InternalLoadFrom(System.String, System.Security.Policy.Evidence, Byte[], System.Configuration.Assemblies.AssemblyHashAlgorithm, Boolean, Boolean, System.Threading.StackCrawlMark ByRef)
   at System.Reflection.Assembly.LoadFrom(System.String)
   at CrystalDecisions.ReportAppServer.DataSetConversion.DataSetConverter.DataSetProcessingDelegate(IntPtr)
======================
I'm catching all exceptions in my report generator component, but, for some reason, this exception isn't caught. I think it's because it's occurring in the CLR and the CLR is aborting the process.
I've been monitoring the service in ProcMon. I see a final set of references to the CrystalDecisions.ReportAppServer.DataSetConversion assembly that succeed, 3 attempts to access the assemby's PDB file that fail, and then DW20.EXE (C:\Program Files\Common Files\Microsoft Shared\DW\DW20.EXE) is loaded to process process the error. (Could the missing PDB file be the problem?)
The ProcMon trace looks entirely different when I run the report gen components from the WinForms and console apps.
I don't think this is a permissions issue. I've been able to log in as the user that the service logs in as and have been able to run both WinForms and console versions of the report generator without problems.
Any help would be greatly appreciated. I absolutely have to convert this app!
-David

Sorry about that,
They changed the info... Do this:
In the mean time here's how to work around it and get logging working:
Create a Registry file with this in it and save it: ( Replace the double quote with an open square bracket )
W i n d o w s R e g i s t r y E d i t o r V e r s i o n 5 . 0 0
" H K E Y _ L O C A L _ M A C H I N E \ S O F T W A R E \ S A P B u s i n e s s O b j e c t s \ S u i t e X I 4 . 0 ]
" H K E Y _ L O C A L _ M A C H I N E \ S O F T W A R E \ S A P B u s i n e s s O b j e c t s \ S u i t e X I 4 . 0 \ C r y s t a l R e p o r t s ]
" C o m m o n F i l e s " = " C : \ \ P r o g r a m F i l e s \ \ S A P B u s i n e s s O b j e c t s \ \ C r y s t a l R e p o r t s f o r . N E T F r a m e w o r k 4 . 0 \ \ C o m m o n \ \ "
And then:
1. Copy the crlogger.dll from the CR win32_x86 directory to a folder which its path length is short than 130 characters.
2. Add the following registry key to registry:
"HKEY_LOCAL_MACHINE\SOFTWARE\SAP BusinessObjects\Suite XI 4.0\Crystal Reports]
3. Add a string value u201CCommonFilesu201D under the above added registry key with the value as the pathu2019s fullname which folder we drop the crlogger.dll in step #1 (requires to include the ending backslash character u201C\u201D in the path name).
For example, copy the crlogger.dll form the default CR win32_x86u2019s folder:
C:\Program Files\SAP BusinessObjects\Crystal Reports for .NET Framework 4.0\Common\SAP BusinessObjects Enterprise XI 4.0\win32_x86\
into:
C:\Program Files\SAP BusinessObjects\Crystal Reports for .NET Framework 4.0\Common\
Then import the .reg file you created from above.
Thanks again
Don

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AssignedDialyzer.pdf.
The column headers of table in pdf report from c# windows forms using iTextSharp are
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column headers in table in pdf report from
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I have browsed through net regarding to solve this problem but with no success.
What i want is my pdf report from c# should be similar to following format which i was able to accomplish in vb6,adodb with MS access using iTextSharp.:
Given below is report which i have achieved from vb6,adodb with MS access using iTextSharp
I know that there has to be another way to solve my problem.I have browsed many articles in net regarding exporting sql datas to above format but with no success!
Is there is any another way to solve to my problem on exporting sql datas from c# windows forms using iTextSharp to above format given in the picture/image above?!
If so Then Can anyone tell me what modifications must i do in my c# code given above so that my pdf report from c# windows forms using iTextSharp will look similar to image/picture(pdf report) which i was able to accomplish from
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I have approached Sound Forge.Net for help but with no success.
I hope anyone/someone truly understands what i am trying to ask!
I know i have to do lot of modifications in my c# code to achieve this level of perfection but i dont know how to do it.
Can anyone help me please! Any help/guidance in solving this problem would be greatly appreciated.
I hope i get a reply in terms of solving this problem.
vishal

Hi,
About iTextSharp component issue , I think this case is off-topic in here.
I suggest you consulting to compenent provider.
http://sourceforge.net/projects/itextsharp/
Regards,
Marvin
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2. You could install as an AddOn on your 7.3 system, there are many options depending on your desired infrastructure: SAP Gateway deployment options in a nutshell For example our customer have deployed Central Hub Gateway in a standalone stack ABAP to act as an standalone oData bridge between ABAP/nonAbap systems.
3. You could deploy SAPUI5 apps in 7.x, Java Web Servers or HTTP Web Servers. You must consider your SSO scenario:
- SSO Logon Tickets. You will need to configurate SSO Logon Tickets between SAP NW Portal & SAP NW Gateway & your backend (ECC, etc). In order to pass SAP session cookie you will need setup SAP Web Dispacther and access portal & gateway throught SAP WD with the same domain.
- SAML2 Tickets. This scenario lets you provide portal & gateway on different domains enabling SSO. You could configure SAP NW Portal as an Identity Provider and other systems must trust SAP Portal as IdP.
Cheers

Calling SSIS package from C# Windows Service Fails

Hi All.
I've got an SSIS package that reads from an Excel file and populates a database. The Excel file location gets passed in to the package as a variable. Also the Protection Level of the package is set to EncryptSensitiveWithPassword.
This all works fine when I run the package from Visual Studio or using DTEXEC. When I try to run it from a C# Windows Service though I get the following exception:
SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005.
An OLE DB record is available. Source: "Microsoft Office Access Database Engine" Hresult: 0x80004005 Description: "The Microsoft Office Access database engine cannot open or write to the file ''. It is already opened exclusively
by another user, or you need permission to view and write its data.".
SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AcquireConnection method call to the connection manager "Input Excel Connection" failed with error code 0xC0202009. There may be error messages posted before this
with more information on why the AcquireConnection method call failed.
Dedupe Worksheet failed validation and returned error code 0xC020801C.
One or more component failed validation.
There were errors during task validation.
The windows service runs with LocalSystem account and the following code is used to call the SSIS Package:
                Application app = new Application();
                Package package = null;
                app.PackagePassword = "*******";
                //Load the SSIS Package which will be executed
                package = app.LoadPackage(@"C:\Projects\DataDedupeMatch\DataDedupeMatch\DataDedupe.dtsx", null);
                //Pass the varibles into SSIS Package
                package.Variables["User::FilePath"].Value = e.FullPath.Replace(@"\\", @"\");
                Microsoft.SqlServer.Dts.Runtime.DTSExecResult results = package.Execute();
I would really appreciate if someone could help me out with this.
Thanks in advance,
Deon

Instead of hosting the SSIS runtime in your service, you should use a separate host process for your SSIS package. You're using the Office drivers, which aren't designed or supported for running in long-lived unattended processes like a Windows Service.
You can use your own SSIS hosting code, or just use dtexec.exe to host your package. In either case you would start the child process with
Process.Start.
David
David http://blogs.msdn.com/b/dbrowne/

Call a program via windows service

Hi! I have write a windows service,and it works. I want to call a .exe file,and my .exe file is signature. The program can not work when I call it through my service. How can I solve my problem? Thanks!

Hi Hassan,
Thank you for sharing the code with us!
As I understand it, your code handles the situation of an user that is already logged on to an interactive window station (those of you, who need to create a UI-process of a user not yet logged on, could use
CreateProcessWithLogon, or
LogonUser to get the token). Because calling CreateProcessAsUser() requires advanced privileges (such as "Replace a process token level", or "Act as part of the operating system", privileges usually not held by a user unless specified so by the security
policy), the code also implies a service running in the local system account (or equivalent).
To make it easier to read, I'll post here the C#-version of your code:
using System;
using System.Runtime.InteropServices;
using System.Diagnostics;
namespace WindowsServiceLaunchingExe
class NativeMethods
[StructLayout(LayoutKind.Sequential)]
public struct PROCESS_INFORMATION {
public IntPtr hProcess;
public IntPtr hThread;
public System.UInt32 dwProcessId;
public System.UInt32 dwThreadId;
[StructLayout(LayoutKind.Sequential)]
public struct SECURITY_ATTRIBUTES {
public System.UInt32 nLength;
public IntPtr lpSecurityDescriptor;
public bool bInheritHandle;
[StructLayout(LayoutKind.Sequential)]
public struct STARTUPINFO {
public System.UInt32 cb;
public string lpReserved;
public string lpDesktop;
public string lpTitle;
public System.UInt32 dwX;
public System.UInt32 dwY;
public System.UInt32 dwXSize;
public System.UInt32 dwYSize;
public System.UInt32 dwXCountChars;
public System.UInt32 dwYCountChars;
public System.UInt32 dwFillAttribute;
public System.UInt32 dwFlags;
public short wShowWindow;
public short cbReserved2;
public IntPtr lpReserved2;
public IntPtr hStdInput;
public IntPtr hStdOutput;
public IntPtr hStdError;
[StructLayout(LayoutKind.Sequential)]
public struct PROFILEINFO {
public int dwSize;
public int dwFlags;
[MarshalAs(UnmanagedType.LPTStr)]
public string lpUserName;
[MarshalAs(UnmanagedType.LPTStr)]
public string lpProfilePath;
[MarshalAs(UnmanagedType.LPTStr)]
public string lpDefaultPath;
[MarshalAs(UnmanagedType.LPTStr)]
public string lpServerName;
[MarshalAs(UnmanagedType.LPTStr)]
public string lpPolicyPath;
public IntPtr hProfile;
internal enum SECURITY_IMPERSONATION_LEVEL {
SecurityAnonymous = 0,
SecurityIdentification = 1,
SecurityImpersonation = 2,
SecurityDelegation = 3
internal enum TOKEN_TYPE {
TokenPrimary = 1,
TokenImpersonation = 2
[DllImport("advapi32.dll", SetLastError = true, CharSet = CharSet.Auto)]
private static extern bool CreateProcessAsUser(IntPtr hToken, string lpApplicationName, string lpCommandLine, ref SECURITY_ATTRIBUTES lpProcessAttributes, ref SECURITY_ATTRIBUTES lpThreadAttributes, bool bInheritHandles, uint dwCreationFlags, IntPtr lpEnvironment, string lpCurrentDirectory, ref STARTUPINFO lpStartupInfo, ref PROCESS_INFORMATION lpProcessInformation);
[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern bool DuplicateTokenEx(IntPtr hExistingToken, uint dwDesiredAccess, ref SECURITY_ATTRIBUTES lpTokenAttributes, SECURITY_IMPERSONATION_LEVEL ImpersonationLevel, TOKEN_TYPE TokenType, ref IntPtr phNewToken);
[DllImport("advapi32.dll", SetLastError = true)]
private static extern bool OpenProcessToken(IntPtr ProcessHandle, int DesiredAccess, ref IntPtr TokenHandle);
[DllImport("userenv.dll", SetLastError = true)]
private static extern bool CreateEnvironmentBlock(ref IntPtr lpEnvironment, IntPtr hToken, bool bInherit);
[DllImport("userenv.dll", SetLastError = true)]
private static extern bool DestroyEnvironmentBlock(IntPtr lpEnvironment);
private const short SW_SHOW = 1;
private const short SW_SHOWMAXIMIZED = 7;
private const int TOKEN_QUERY = 8;
private const int TOKEN_DUPLICATE = 2;
private const int TOKEN_ASSIGN_PRIMARY = 1;
private const int GENERIC_ALL_ACCESS = 268435456;
private const int STARTF_USESHOWWINDOW = 1;
private const int STARTF_FORCEONFEEDBACK = 64;
private const int CREATE_UNICODE_ENVIRONMENT = 0x00000400;
private const string gs_EXPLORER = "explorer";
public static void LaunchProcess(string Ps_CmdLine)
IntPtr li_Token = default(IntPtr);
IntPtr li_EnvBlock = default(IntPtr);
Process[] lObj_Processes = Process.GetProcessesByName(gs_EXPLORER);
// Get explorer.exe id
// If process not found
if (lObj_Processes.Length == 0)
// Exit routine
return;
// Get primary token for the user currently logged in
li_Token = GetPrimaryToken(lObj_Processes[0].Id);
// If token is nothing
if (li_Token.Equals(IntPtr.Zero))
// Exit routine
return;
// Get environment block
li_EnvBlock = GetEnvironmentBlock(li_Token);
// Launch the process using the environment block and primary token
LaunchProcessAsUser(Ps_CmdLine, li_Token, li_EnvBlock);
// If no valid enviroment block found
if (li_EnvBlock.Equals(IntPtr.Zero))
// Exit routine
return;
// Destroy environment block. Free environment variables created by the
// CreateEnvironmentBlock function.
DestroyEnvironmentBlock(li_EnvBlock);
private static IntPtr GetPrimaryToken(int Pi_ProcessId) {
IntPtr li_Token = IntPtr.Zero;
IntPtr li_PrimaryToken = IntPtr.Zero;
bool lb_ReturnValue = false;
Process lObj_Process = Process.GetProcessById(Pi_ProcessId);
SECURITY_ATTRIBUTES lObj_SecurityAttributes = default(SECURITY_ATTRIBUTES);
// Get process by id
// Open a handle to the access token associated with a process. The access token
// is a runtime object that represents a user account.
lb_ReturnValue = OpenProcessToken(lObj_Process.Handle, TOKEN_DUPLICATE, ref li_Token);
// If successfull in opening handle to token associated with process
if (lb_ReturnValue) {
// Create security attributes to pass to the DuplicateTokenEx function
lObj_SecurityAttributes = new SECURITY_ATTRIBUTES();
lObj_SecurityAttributes.nLength = Convert.ToUInt32(Marshal.SizeOf(lObj_SecurityAttributes));
// Create a new access token that duplicates an existing token. This function
// can create either a primary token or an impersonation token.
lb_ReturnValue = DuplicateTokenEx(li_Token, Convert.ToUInt32(TOKEN_ASSIGN_PRIMARY | TOKEN_DUPLICATE | TOKEN_QUERY), ref lObj_SecurityAttributes, SECURITY_IMPERSONATION_LEVEL.SecurityIdentification, TOKEN_TYPE.TokenPrimary, ref li_PrimaryToken);
// If un-successful in duplication of the token
if (!lb_ReturnValue) {
// Throw exception
throw new Exception(string.Format("DuplicateTokenEx Error: {0}", Marshal.GetLastWin32Error()));
else {
// If un-successful in opening handle for token then throw exception
throw new Exception(string.Format("OpenProcessToken Error: {0}", Marshal.GetLastWin32Error()));
// Return primary token
return li_PrimaryToken;
private static IntPtr GetEnvironmentBlock(IntPtr Pi_Token) {
IntPtr li_EnvBlock = IntPtr.Zero;
bool lb_ReturnValue = CreateEnvironmentBlock(ref li_EnvBlock, Pi_Token, false);
// Retrieve the environment variables for the specified user.
// This block can then be passed to the CreateProcessAsUser function.
// If not successful in creation of environment block then
if (!lb_ReturnValue) {
// Throw exception
throw new Exception(string.Format("CreateEnvironmentBlock Error: {0}", Marshal.GetLastWin32Error()));
// Return the retrieved environment block
return li_EnvBlock;
private static void LaunchProcessAsUser(string Ps_CmdLine, IntPtr Pi_Token, IntPtr Pi_EnvBlock) {
bool lb_Result = false;
PROCESS_INFORMATION lObj_ProcessInformation = default(PROCESS_INFORMATION);
SECURITY_ATTRIBUTES lObj_ProcessAttributes = default(SECURITY_ATTRIBUTES);
SECURITY_ATTRIBUTES lObj_ThreadAttributes = default(SECURITY_ATTRIBUTES);
STARTUPINFO lObj_StartupInfo = default(STARTUPINFO);
// Information about the newly created process and its primary thread.
lObj_ProcessInformation = new PROCESS_INFORMATION();
// Create security attributes to pass to the CreateProcessAsUser function
lObj_ProcessAttributes = new SECURITY_ATTRIBUTES();
lObj_ProcessAttributes.nLength = Convert.ToUInt32(Marshal.SizeOf(lObj_ProcessAttributes));
lObj_ThreadAttributes = new SECURITY_ATTRIBUTES();
lObj_ThreadAttributes.nLength = Convert.ToUInt32(Marshal.SizeOf(lObj_ThreadAttributes));
// To specify the window station, desktop, standard handles, and appearance of the
// main window for the new process.
lObj_StartupInfo = new STARTUPINFO();
lObj_StartupInfo.cb = Convert.ToUInt32(Marshal.SizeOf(lObj_StartupInfo));
lObj_StartupInfo.lpDesktop = null;
lObj_StartupInfo.dwFlags = Convert.ToUInt32(STARTF_USESHOWWINDOW | STARTF_FORCEONFEEDBACK);
lObj_StartupInfo.wShowWindow = SW_SHOW;
// Creates a new process and its primary thread. The new process runs in the
// security context of the user represented by the specified token.
lb_Result = CreateProcessAsUser(Pi_Token, null, Ps_CmdLine, ref lObj_ProcessAttributes, ref lObj_ThreadAttributes, true, CREATE_UNICODE_ENVIRONMENT, Pi_EnvBlock, null, ref lObj_StartupInfo, ref lObj_ProcessInformation);
// If create process return false then
if (!lb_Result) {
// Throw exception
throw new Exception(string.Format("CreateProcessAsUser Error: {0}", Marshal.GetLastWin32Error()));
To use the code, create a new windows service project, and add code like the following one:
using System;
using System.Diagnostics;
using System.ServiceProcess;
using System.Timers;
namespace WindowsServiceLaunchingExe
public partial class ExeLauncherSvc : ServiceBase
public ExeLauncherSvc() {
InitializeComponent();
Timer timer;
protected override void OnStart(string[] args) {
timer = new Timer(5000);
timer.Elapsed += (sender, e) => {
try {
timer.Stop();
EventLog.WriteEntry("WindowsServiceLaunchingExe", "Launching process...");
NativeMethods.LaunchProcess(@"C:\Windows\notepad.exe");
} catch (Exception ex) {
EventLog.WriteEntry("WindowsServiceLaunchingExe", ex.Message);
timer.Start();
protected override void OnStop() {
Because NativeMethods.LaunchProcess() throws exceptions on errors, be sure to enclose calling code in a try/catch-block.
I also would recommend reading this:
Stephen Martin - The Perils and Pitfalls of Launching a Process Under New Credentials
http://asprosys.blogspot.com/2009/03/perils-and-pitfalls-of-launching.html
Stephen Martin - Launch Process From Service (code download)
http://www.asprosys.com/Downloads/LaunchProcessFromService.zip
Marcel

Exception while calling native profiler (root cause: no message available [

Hi,
We are setting up MAM30 using the new technology (NWMADMIN). During sync. I get the error message "Exception while calling native profiler (root cause: no message available [java.lang.reflect.Invocat...". Can anyone help me on this?
Thanks
Kind regards
Jacob

Hi Jacob,
I once faced this problem(no in MAM though)
I will try to guess the solution to your problem,
1) My first guess would be that, the header file in MAM30 using the 'javah' tool, did not pass the fully qualified name of the class as the argument. The 'javah' tool will not complain and will produce an incorrect header file.
2) The Native method names wouldnt have got a match for the java method names, might be missing the package name. here you need to import the missing ones.
3) Or you would be calling static native methods using objects, it should be accessed in a static way. you can call them directly.
Hope this helps.
Regards
Divya.

Call to Table.SetDataSource() causes FileLoadException in Windows service

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