Windows Service hanging issue!

Hi,
Oracle server: 8.1.7.4.1
Client: 8.1.7.0.0
We have a windows service application built using Microsoft .NET 1.1 (SP1) which performs a lot of database related transactions.
This service is implemented as a multi-threaded application and uses DAC from System.Data.OracleClient (1.1.4322.2038) for interacting with the database.
Of late, the service is facing issues related to increased contention and deadlocks on a Windows 2000 Server.
While analyzing the dumps created using AD+ we ran into two very interesting issues in the ORACLE client layer:
1. ORACLE critical section leaking due to an OCI error.
2. Excessive CPU consumption - service is seen as consuming > 90% CPU consistently for a long time and remains unresponsive. Two threads can be seen spending almost 100% time switching the context.
These are sample stacks of hanging threads observed under WinDbg. Both the managed as well as the unmanged stacks are shown below:
Sample1:
0671dbf4 77f92387 NTDLL!NtWaitForSingleObject+0xb
0671dc68 77f922f8 NTDLL!RtlpWaitForCriticalSection+0x9e
0671dc70 6064f221 NTDLL!RtlEnterCriticalSection+0x46
0671dc80 6081d1cb oracore8!sltsmna+0x11
0671dc98 60220642 ORANLS8!lxlsaved+0x5b
0671ddf4 602202c1 oracommon8!kzsrcon+0xb2
0671deb0 6043e1ca oracommon8!kzsrgsk+0x41
0671ead8 6043bd55 OraClient8!kpuauth+0x2a0a
0671eb28 6043b7e4 OraClient8!kpuauth+0x595
0671eb54 6040138c OraClient8!kpuauth+0x24
0671eb70 10005a0b OraClient8!OCISessionBegin+0x1c
0671eb8c 0084b0ee oci!OCISessionBegin+0x2b
0x0671ebc0 0x77f94091 [FRAME: NDirectMethodFrameStandalone] [DEFAULT] I4 System.Data.OracleClient.UnsafeNativeMethods.OCISessionBegin(ValueClass System.Runtime.InteropServices.HandleRef,ValueClass System.Runtime.InteropServices.HandleRef,ValueClass System.Runtime.InteropServices.HandleRef,ValueClass CRED,ValueClass MODE)
0x0671ebd0 0x02bf9815 [DEFAULT] I4 System.Data.OracleClient.TracedNativeMethods.OCISessionBegin(Class System.Data.OracleClient.OciHandle,Class System.Data.OracleClient.OciHandle,Class System.Data.OracleClient.OciHandle,ValueClass CRED,ValueClass MODE)
0x0671ec1c 0x02bf8d0d [DEFAULT] [hasThis] Boolean System.Data.OracleClient.OracleInternalConnection.OpenOnLocalTransaction(String,String,String,Boolean,Boolean,Boolean)
0x0671ec48 0x02bf880f [DEFAULT] [hasThis] Boolean System.Data.OracleClient.OracleInternalConnection.Open(Object)
0x0671ec6c 0x02bf8772 [DEFAULT] [hasThis] Void System.Data.OracleClient.OracleInternalConnection..ctor(Class System.Data.OracleClient.OracleConnectionString,Object)
0x0671ec80 0x02bf8579 [DEFAULT] [hasThis] Void System.Data.OracleClient.OracleConnection.OpenInternal(Class System.Data.OracleClient.OracleConnectionString,Object)
0x0671ecb4 0x02bf84b9 [DEFAULT] [hasThis] Void System.Data.OracleClient.OracleConnection.Open()
Sample2:
0641e9d4 77f92387 00000770 00000000 00000000 NTDLL!NtWaitForSingleObject+0xb
0641ea48 77f922f8 00316b00 6064f221 00316b20 NTDLL!RtlpWaitForCriticalSection+0x9e
0641ea50 6064f221 00316b20 00000000 0641ea78 NTDLL!RtlEnterCriticalSection+0x46
0641ea60 6080b71d 00315f08 60849da0 03af86dc oracore8!sltsmna+0x11
0641ea78 604bc97c 03ad148c 03af8474 03af85c4 ORANLS8!lxhclrsave+0x5d
0641ea8c 604828d1 03af86dc 0641ebc0 6042af86 OraClient8!xaolog+0x287fc
0641ea98 6042af86 03af86dc 0641f4d8 0641ec20 OraClient8!upilof+0x21
0641ebc0 604013b8 03af8668 03af885c 03af8474 OraClient8!kputac+0x3a6
0641ebd8 10005a37 03af85c4 03af885c 03af8474 OraClient8!OCISessionEnd+0x18
0x0641ec20 0x77f94091 [FRAME: NDirectMethodFrameStandalone] [DEFAULT] I4 System.Data.OracleClient.UnsafeNativeMethods.OCISessionEnd(ValueClass System.Runtime.InteropServices.HandleRef,ValueClass System.Runtime.InteropServices.HandleRef,ValueClass System.Runtime.InteropServices.HandleRef,ValueClass MODE)
0x0641ec30 0x06c8c7ba [DEFAULT] I4 System.Data.OracleClient.TracedNativeMethods.OCISessionEnd(Class System.Data.OracleClient.OciHandle,Class System.Data.OracleClient.OciHandle,Class System.Data.OracleClient.OciHandle,ValueClass MODE)
0x0641ec78 0x06c8c375 [DEFAULT] [hasThis] Void System.Data.OracleClient.OracleInternalConnection.Close()
0x0641ecac 0x06c8c1b8 [DEFAULT] [hasThis] Void System.Data.OracleClient.OracleConnection.Cleanup(Boolean,Boolean)
0x0641ece0 0x06c8c145 [DEFAULT] [hasThis] Void System.Data.OracleClient.OracleConnection.Close()
Has anyone faced this kind of issue and resolved the same? If yes, how?
Message was edited by:
satishkandi

The memory leak is solved in later versions Oracle10G

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I am running a performance test on our application which sits on top of bea weblogic server 7.0sp2, I found out when I run the server as windows service, performance is much worse than I run it in command prompt. any thoughts ?
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2015-03-13T12:11:16-04:00
acs
retried session started, server: '//cwmp.c01.sbcglobal.net/cwmp/services/CWMP', event code(s): '2 PERIODIC'
WRN
2015-03-13T12:11:16-04:00
acs
httpc_poll_dispatch - Connection refused
WRN
2015-03-13T12:11:16-04:00
acs
session failed...
INF
2015-03-13T12:11:16-04:00
acs
session will be retried in 1259457(ms)
INF
2015-03-13T12:32:16-04:00
acs
retried session started, server: '//cwmp.c01.sbcglobal.net/cwmp/services/CWMP', event code(s): '2 PERIODIC'
WRN
2015-03-13T12:33:16-04:00
acs
httpc_poll_dispatch - Connection timed out
WRN
2015-03-13T12:33:16-04:00
acs
session failed...
INF
2015-03-13T12:33:16-04:00
acs
session will be retried in 1011177(ms)
INF
2015-03-13T12:50:13-04:00
acs
retried session started, server: '//cwmp.c01.sbcglobal.net/cwmp/services/CWMP', event code(s): '2 PERIODIC'
I'm out of ideas what might be causing this wireless issue. I've been avoiding updating to the newest itunes version due to crash issues I've heard about, but now I'm concerned as if to whether it's even safe to use it at all.
I also ran into a 'Windows 7 hanging on startup' issue. I disabled all things Apple and it seemed to fix the issues, including the wifi hang. But sadly it was only temporary. I once again ran into the wifi issue.
Anyone else running into something similar? Any help would be appreciated. Thanks.

Is it the iPad that is the only device that cannot connect to the Internet....and other wireless devices can connect OK.....or.....is it a case of none of the wireless devices being able to connect to the Internet?
One of the potential issues here is that the iPad cannot be used to make any configuration changes to the older version of the AirPort Express that you have, so hopefully you have another Mac there that could be used to make any changes if needed.

Excel 2007 "Hang" issue when copy/pasting.

Hi.
I have a user, using terminal services from a HP thin client. The server is a Windows server 2008 R2 SP1, Office 2007 SP3. The user is trying to copy from a IBM access session into Excel, sometimes the Excel will hang, an needs to be forcefully closed down
using the Task Manager. I have made sure that the IBS Access is using the clipboard function on the server. Other users can copy/paste from this program without any issues. The server is fully updated and the office pack also.
Any suggestions on where to start?
Regards Martin

Hi Martin,
Thank you for posting in Windows Server Forum.
Thus from your description it seems that particular user is facing the hangs issue, please correct me if there is anything misunderstand from my side.
Does this happens for all Excel file with that user?
Please try with RDP 8.1 for user and check the result. Please check the network connectivity is good. As user is copy pasting from IBM session it can create a little delay with file size or corrupt Excel file. The issue might also appear because the size for
Excel sheet would be very high and thus during the logon time it will take a long time to open. Also it may take into hang issue for the users. In addition also check below link for information.
What can cause slow copy and paste in Excel?
http://blogs.technet.com/b/the_microsoft_excel_support_team_blog/archive/2011/09/08/what-can-cause-slow-copy-and-paste-in-excel.aspx
Hope it helps!
Thanks,
Dharmesh

Help, which windows Service msut be on to run Adobe Bridge CS3?

hi all,
I'm having trouble opening Adobe Bridge CS3, theres a windows popup that says "Adobe Bridge has encountered a problem and needs to close" error message when i try to start.
I can run the other Adobe Cs3 applications fine, i've been playing around with the disabling of windows services to increase bootup time. i'm afraid i may have accidentally disabled something necessary
pls advice on how to get it working.. i'm on win xp pro sp2
thanks

When you get the "Bridge has encountered an error" popup box, check the technical info hyperlink to see what's the problem. It may point to a DLL that had an error.
From there, check the web to see what that DLL relates to, which may or may not give you a lead. Maybe something that needs to be running in WinXP, maybe a 3rd party product that needs to be fixed/removed/re-installed.
Why do I say this? I had the same issue on Bridge after getting the trial version. Worked for a while, then suddenly stopped working with the same startup dialog box and a quick shutdown. Digging a bit as above pointed to a DLL that was related to Quicktime. I went to the Apple site and downloaded/installed the latest version of Quicktime, and the Brige problem was cured.

Permissions for Windows Service on Server

Post Author: bdimon
CA Forum: Authentication
I wrote a Windows service running as an Active Directory user. It cannot print on the Windows Server so I wrote a windows application to test the permissions. When a user with local admin rights runs the test application, it prints. He starts the program using the "Run As" option and enters the Active Directory user from the service, he gets the same error as the Windows Service gets. This must be permissions-based.
When I installed this Windows Service on a staging server, everything was fine. However the staging server was not "secured" by the network team so the Active Directory user had Read/Execute permissions on the C: drive. I do not want to ask for these permissions on the production server's C: drive.
The error is:
System.Exception: Load report failed. ---> System.Runtime.InteropServices.COMException (0x800002AD): Error in File UNKNOWN.RPT:
The request could not be submitted for background processing.
   at CrystalDecisions.ReportAppServer.ClientDoc.ReportClientDocumentClass.Open(Object& DocumentPath, Int32 Options)
   at CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.Open(Object& DocumentPath, Int32 Options)
   at CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened()
   --- End of inner exception stack trace ---
   at CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened()
   at CrystalDecisions.CrystalReports.Engine.ReportDocument.Load(String filename, OpenReportMethod openMethod, Int16 parentJob)
   at CrystalDecisions.CrystalReports.Engine.ReportDocument.Load(String filename)
   at WindowsApplication1.frmTestServerPrint.PrintCrystalReport(String& ErrorText, String ReportFileName, String PrinterLocation, Int32 PayTransStatusCode)

Post Author: jgreg311
CA Forum: Authentication
I believe I'm having a similar problem, and was hoping to see if either you have found an answer to the problem or reactivate this thread in hopes someone will finally answer us.I'm creating reports using a windows service as well. The report files are compiled into the DLL, and they are being exported to save them to disk.   The error is being generated when the report object is first accessed (which happens to be when attempting to set the Text property on a TextObject). It works fine on my development machine. I've installed the service on the production server using a Visual Studio 2005 Setup and Deployment project. I added the 2005 Crystal merge module to the setup, so all necessary files should exist on the server. The service is running as a domain user that has admin rights on the local machine, but we're still getting this error that seems, according to posts I've found online, to be a permissions issue.Here is the exception in its entirety:
Exception Type:
System.Exception
Exception Message:
Load report failed.
Exception Stack Trace:
at
CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened()
at CrystalDecisions.CrystalReports.Engine.ReportDocument.Load(String
filename, OpenReportMethod openMethod, Int16 parentJob) at
CrystalDecisions.CrystalReports.Engine.ReportClass.Load(String
reportName, OpenReportMethod openMethod, Int16 parentJob) at
CrystalDecisions.CrystalReports.Engine.ReportDocument.EnsureLoadReport()
at
CrystalDecisions.CrystalReports.Engine.ReportDocument.get_ReportDefinition()
at ...
Inner Exception:
System.Runtime.InteropServices.COMException (0x800002AD): Error in File
UNKNOWN.RPT: The request could not be submitted for background
processing. at
CrystalDecisions.ReportAppServer.ClientDoc.ReportClientDocumentClass.Open(Object&
DocumentPath, Int32 Options) at
CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.Open(Object&
DocumentPath, Int32 Options) at
CrystalDecisions.ReportAppServer.ReportClientDocumentWrapper.EnsureDocumentIsOpened() Any help with this would be GREATLY appreciated. Once again Crystal Reports are the only thing holding up an important project.

Setting up OIM to start as a Windows Service running under Weblogic 10.3.2

Hi,
On recommendation from our Oracle Rep. we have begun migrating our existing OIM installation on Oracle AS to a Weblogic Application Server. As such we are looking for a way to get the OIM application to run as a service in windows - so we dont have to start it manually after a reboot and so that system monitoring can alert us if/when the application crashes for some reason.
I have asked Oracle support - which basically said that no such howto/documentation exists and that "One needs to debug on their own when face any issue." (whatever the h*** that means).
I was thinking that we werent the first customers trying to get the OIM webapplication to start automatically under weblogic and that someone must have figured out a way to accomplish this ?
Any advice on how to do this will be greatly appreciated.
Thank you in advance.
/Jacob

Hi Jacob,
See this post that I answered few time ago. Re: Keeping Remote Manager running - Windows
Our OIM is running as a Windows Service.
REnato

Problems with Comodo Kill Switch, Windows Services & Bitlocker Encryption on Asus N56VZ

Hi All,
So recently I found myself stuck in a different scenario than before, and after many hours researching and efforts to fix this I still find myself stuck yet with a few options still to fix.
What is the problem?
So as a security cautious user when i first got to Windows 8.1 Pro 64Bit I encrypted both the C and D drive (Split the main disk) to protect myself and my family. Unfortunately that has not been very helpful with the way in which booting and running from
either external USB devices or CD/DVD works, not allowing myself to at all.
My usual security suit I use is Comodo Internet Security, which additionally comes with Comodo Kill Switch. Whilst using the application instead of stopping one of the TCP connections I was meant to I accidently stopped an Windows Explorer connection.
For some reason since then Windows Explorer, nor most windows apps or services themselves will run. For example msconfig will run but sfc /scannow or mmc will not, whether in safe mode or normal mode.
What Caused the Problem?
Cannot 100% say
What I Think Caused the Problem?
Myself running Comodo Kill Switch stopping a vital server connection with Windows Explorer that messed up alot. Or a potential Virus unknown how cannot fully scan system as wont boot externally or run many apps.
Additional Info
Asus Webcam is Disabled on Purpose
Laptop was fully customized to run latest games full graphics minus Anti Aliasing, works with Evolve + CoD Advanced Warfare
Laptop does not boot if USB Keyboard plugged in, works with everything else normal (had this on other systems no problem for me)
Ask me for more info if required to add here, braindead again
Specifications of my system
Intel® Core™ i7 3610QM Processor
Windows 8.1 Pro 64Bit
Intel® HM76 Chipset
DDR3 1600 MHz SDRAM, 2 x SO-DIMM 8GB
15.6" HD (1366x768)/Full HD (1920x1080)/Wide View Angle LED Backlight
NVIDIA® GeForce® GT 650M with 2GB DDR3 VRAM
1TB 5400RPM OR 750GB 5400/7200RPM (Cannot remember off top of head, braindead)
Super-Multi DVD
Kensington lock (Security Feature)
LoJack (Security Feature)
BIOS Booting User Password Protection (Security Feature)
HDD User Password Protection and Security (Security Feature)
Pre-OS Authentication by programmable key code (Security Feature)
What Can Run and Won't Run?
ON BOOT:
Bitlocker Encryption Password & Advanced Settings are accessible
Bios (password protected) is accessible
Windows Recovery Mode is accessible (Think it is F9 or F10)
Windows Logon Password Screen is accessible
ON NORMAL/SAFE-MODE START UP:
After Log-In Windows Explorer will not run
Task Manager will run, also allows me to browse the files when trying to start new task
Can run Command prompt
Cannot run any control panel items
Cannot run services.msc
Cannot run mmc
Cannot run sfc
Every time it metions windows drive is locked
Start Error's when running certain applications (Will post codes soon)
Rufus USB Tool does run
Cannot boot Kali Linux off USB
Cannot boot Windows 8.1 off USB
Cannot boot Windows 8.1 off DVDRW
Fixwin2 will not run
Apps either work or don't whether in safe mode or normal
Cannot use Windows Installer
What Fixes I Have Tried So Far
Ok so like any normal user I don't want to lose my files. So here are what I have tried so far:
Repair MBR (Repair Completed, No Luck)
SFC /SCANNOW (Returns Error 'Windows Resource Protection could not start the repair service')
Tried sfc /SCANNOW /OFFBOOTDIR=c:\ /OFFWINDIR=c:\windows (Could not access drive)
Fixwin2 (Will not run in either normal or safe mode)
Booting using Windows 8.1 via USB (Cannot boot from extermal devices due to Bitlocker Encryption)
Booting using Kali Linux Via DVD & USB (Cannot boot from external devices due to Bitlocker Encrytption)
How do I know it is because of Bitlocker, because last time I disabled it, I could run from external devices
Tried to run bitlocker to change settings (Will not run)
Have used both password and recovery keys to unlock driver, they work but when applications are running on windows the drive is still locked?
Tried windows Automatic Diagnostic and Repair (Could not repair anything, did make a log I am still to extract from the syste)
There are No System Restore Points
I'm sure there is much more information I could post however I will leave it on an ask to know basis, apart from the log files and further information to gather. Below is my list of trial and error fixes to try for today (need more ideas and help please!):
Hiren's 15.2 Boot CD via DVD (NOT ABLE TO BOOT)
Hiren's 15.2 Boot CD via USB (NOT ABLE TO BOOT)
Research into the Bios and Possible Update in-case of implementation of Virus, can access flash utility (STILL NOT TESTED)
Try and get a portable version or a working version of windows installer to try and re-install Comodo Internet Security (STILL NOT TESTED)
Another way to disable Bitlocker
Anti-Malware / Anti-Virus Scan If Possible to Run One
Bitlocker Repair Tool, will try this also
I have posted this as have not found much info online, usually find it and crack on but this time things are a little more tricky, my priority task I really need to do is remove the Bitlocker Encryption, but if the application will not run... what do I do
then?
Thanks for your time reading all, Sorry for any poor formatting or spelling.
Update 1: MMC.exe Error Code
Ok so now have the computer in safe mode, still same as before, no explorer.exe, no services etc... Just went into the Task Manager > Services (Tab) > Open Services (Option at bottom)
This is the error I get:
'The Instruction at 0x785a746c referenced memory at 0x000000a8. The memory could not be read.
Any Ideas on what this error is and why?
Update 2: CHKDSK Works with no Fix
Update 3: Hiren's 15.2 Boot CD - USB Boot still no luck booting around Bitlocker Encryption
Just to explain again, I already have unlocked the drive with correct bitlocker password or recovery key yet the drive remains locked not allowing windows refresh of files of complete install from the windows recovery menu as keeps saying drive is locked

Ok so attempt number two to write this update via bloody phone! (Just refreshed page whilst writing!)
Update 4:
Problem - cannot run from bootable devices (DVD/USB)
Cause - bitlocker fully encrypted drive stops this working
Repair - Boot up holding F9 to enter windows recovery Input Bitlocker recovery keys to unlock drives
Navigate to Command Prompt in advanced settings Execute following code:
Repair-bde c: d: -rp 000111-222333-444555-etc...
(Code found from https://technet.microsoft.com/en-us/library/ee523219%28v=ws.10%29.aspx)
Note for those using this: It is common while unlocking certain drives to get errors such as: Quote from http://www.benjaminathawes.com/2013/03/17/resolving-partial-encryption-problems-with-bitlocker/
"LOG INFO: 0x0000002aValid metadata at offset 8832512000 found at scan level
1.LOG INFO: 0x0000002b Successfully created repair context.
LOG ERROR: 0xc0000037 Failed to read sector at offset 9211592704.
(0×00000017) LOG ERROR: 0xc0000037 Failed to read sector at offset 9211593216.
(0×00000017) …followed by around 20 similar entries that differed only by the offset value"
Repair Status for Update 4: COMPLETED - However over wrote D drive data so now need to recover that
Problem 2 - windows services corrupted along with windows files
Cause - Unknown
Repair - wait until system is fully decrypted Once fully decrypted ensure boot from USB/DVD
Re-do fixes that would not work before if this has fixed boot issue Confirm fix / update post Hope anything I put here helps others also

Powershell unzip with shell.application not working when launched from windows service

I have a deployment agent on a machine implemented as a windows service. Service is 32-bit and runs on windows server 2008R2 x64 SP1 with powershell V2. Powershell script requires elevation and to run under x64 because of dependency to powershell module
'IIS Administration'. To achieve this, the service starts a cmd file which in turn launches powershell x64 console:
C:\WINDOWS\sysnative\WindowsPowerShell\v1.0\powershell.exe "Start-Process C:\WINDOWS\system32\WindowsPowerShell\v1.0\powershell -ArgumentList '-ExecutionPolicy Bypass -NoLogo -NonInteractive -NoProfile -File C:\Temp\EndJobCmd\Install.ps1' -Verb RunAs"
This seems to work well. The problem I have is that the script has a sequence where it unpacks a zip file to a destination folder using shell.application, this works fine when triggered manually on the server or through the task scheduler, but when triggered
from the service it does not extract any files at all (cannot see any errors thrown by the script but it seems to continue to execute as it logs a successful message to the event log after finishing).
Unzip sequence looks like:
$shell = New-Object -com shell.application
$pkg = $shell.namespace($sourceFile)
$installDir = $shell.namespace($targetDir)
$installDir.Copyhere($pkg.items(), 20)
Any advice greatly appreciated. I have searched some and seen a few people with similar issue but have yet to find a solution.

If it's still actual, I managed to fix this with having CopyHere params equal 1564.
So in my case extract zip function looks like:
function Expand-ZIPFile{
param(
$file, $destination
$shell = new-object -com shell.application
$zip = $shell.NameSpace($file)
foreach($item in $zip.items())
$shell.Namespace($destination).copyhere($item,1564)
"$($item.path) extracted"
1564 description can be found here - http://msdn.microsoft.com/en-us/library/windows/desktop/bb787866(v=vs.85).aspx:
(4) Do not display a progress dialog box.
(8) Give the file being operated on a new name in a move, copy, or rename operation if a file with the target name already exists.
(16) Respond with "Yes to All" for any dialog box that is displayed.
(512) Do not confirm the creation of a new directory if the operation requires one to be created.
(1024) Do not display a user interface if an error occurs.

Printing Crystal Report to Printer from Windows Service

Hello Support,
We are currently using 13.0.3.612 version of Crystal report. We want to print the report to the printer from the windows service. For printing the report to the printer we are using the “PrintOutputController.PrintReport” method. At our end on the Windows 8 machine this method is giving following error:
Message: Error HRESULT E_FAIL has been returned from a call to a COM component.
StackTrace: at CrystalDecisions.ReportAppServer.Controllers.PrintOutputControllerClass.PrintReport(PrintReportOptions options)
at PMLWLibrary.CrystalReport.LoadReports()
And on the Windows 7 machine the report is sent to the print spooler, however the report is not printed on the printer. Not sure what could be causing the issue. Can you please let us know what could be causing the issue.

Hi Brian,
Thank you for your response.
We tried running the service under the domain user account as well which has access to the printer, but even this fails. Further, from the regular .net application when we try to print the report to the printer, it directly prints the report without displaying any print window. So I assume that even from the service no print window should be launched. Can you please confirm on this.
We are attaching herewith the code snippet which we have used to print to printer through the service. Can you please review the same and let us know if we are missing something here.
Dim printReportOptions As New CrystalDecisions.ReportAppServer.Controllers.PrintReportOptions
Dim printOutputController As New CrystalDecisions.ReportAppServer.Controllers.PrintOutputController
Dim rptClientDoc As CrystalDecisions.ReportAppServer.ClientDoc.ISCDReportClientDocument
rptClientDoc = ReportDocument.ReportClientDocument
printReportOptions.PrinterName = "\\pc2\HP LaserJet 1015"
printReportOptions.JobTitle = [Enum].GetName(GetType(ReportNames), PrinterSetting)
printReportOptions.Collated = False
printReportOptions.AddPrinterPageRange(1, 1)
rptClientDoc.PrintOutputController.PrintReport(printReportOptions)

Windows service write to event log

Have strange conduct of code within my application. I've created windows service the same as according to MSDN default instruction:
https://msdn.microso...=vs.110%29.aspx
its working and logging to event log correctly. After that i copied that project and based on it i started to create second one almost similar one. my issue is within below part of code belongs to ProjectInstaller.vb when i installed it and tried to Start i
get message that Windows service started and stoped imedietly.
Imports System.ComponentModel
Imports System.Configuration.Install
Public Class ProjectInstaller
Public Sub New()
MyBase.New()
'This call is required by the Component Designer.
InitializeComponent()
'Add initialization code after the call to InitializeComponent
End Sub
Protected Overrides Sub OnBeforeInstall(ByVal savedState As IDictionary)
Dim parameter As String = "MySvcDeon2"" ""MyLogFileSvcDeon2"
Context.Parameters("assemblypath") = """" + Context.Parameters("assemblypath") + """ """ + parameter + """"
MyBase.OnBeforeInstall(savedState)
End Sub
End Class
Within this line: Dim parameter As String = "MySvcDeon2"" ""MyLogFileSvcDeon2"
When i change it to this form then service its starting correctly without any error meassage:
Dim parameter As String = "MySvcDeon1"" ""MyLogFileSvcDeon1"
its working. But Deon2 is already created by my first windows service. Whats wrong?

i also tried from official msdn site but same error, anyhow, see my code below:
ProjectInstaller.vb:
Imports System.ComponentModelImports System.Configuration.InstallPublic Class ProjectInstaller    Public Sub New()        MyBase.New()        'This call is required by the Component Designer.        InitializeComponent()        'Add initialization code after the call to InitializeComponent    End SubEnd Class
ProjectInstaller.Designer.vb
<System.ComponentModel.RunInstaller(True)> Partial Class ProjectInstaller    Inherits System.Configuration.Install.Installer    'Installer overrides dispose to clean up the component list.    <System.Diagnostics.DebuggerNonUserCode()> _    Protected Overrides Sub Dispose(ByVal disposing As Boolean)        Try            If disposing AndAlso components IsNot Nothing Then                components.Dispose()            End If        Finally            MyBase.Dispose(disposing)        End Try    End Sub    'Required by the Component Designer    Private components As System.ComponentModel.IContainer    'NOTE: The following procedure is required by the Component Designer    'It can be modified using the Component Designer.      'Do not modify it using the code editor.    <System.Diagnostics.DebuggerStepThrough()> _    Private Sub InitializeComponent()        Me.ServiceProcessInstaller1 = New System.ServiceProcess.ServiceProcessInstaller()        Me.ServiceInstaller1 = New System.ServiceProcess.ServiceInstaller()        '        'ServiceProcessInstaller1        '        Me.ServiceProcessInstaller1.Account = System.ServiceProcess.ServiceAccount.LocalSystem        Me.ServiceProcessInstaller1.Password = Nothing        Me.ServiceProcessInstaller1.Username = Nothing        '        'ServiceInstaller1        '        Me.ServiceInstaller1.Description = "Chorus windows service collector"        Me.ServiceInstaller1.DisplayName = "SvcChorusCollector"        Me.ServiceInstaller1.ServiceName = "SvcChorusCollector"        Me.ServiceInstaller1.StartType = System.ServiceProcess.ServiceStartMode.Automatic        '        'ProjectInstaller        '        Me.Installers.AddRange(New System.Configuration.Install.Installer() {Me.ServiceProcessInstaller1, Me.ServiceInstaller1})    End Sub    Friend WithEvents ServiceProcessInstaller1 As System.ServiceProcess.ServiceProcessInstaller    Friend WithEvents ServiceInstaller1 As System.ServiceProcess.ServiceInstallerEnd Class
SvcChorusCollector.vb:
Public Class SvcChorusCollector
    Private Const EvtLogSource As String = "MySourceSvcChorusCollector"
    Private Const EvtLogName As String = "MyLogSvcChorusCollector"
    Private syncRoot As New Object
    Dim timer As System.Timers.Timer = New System.Timers.Timer()
    Sub New()
        ' This call is required by the designer.
        InitializeComponent()
        ' Add any initialization after the InitializeComponent() call.
        If Not System.Diagnostics.EventLog.SourceExists(EvtLogSource) Then
            System.Diagnostics.EventLog.CreateEventSource(EvtLogSource, EvtLogName)
        End If
        EventLog1.Source = EvtLogSource
    End Sub
    Protected Overrides Sub OnStart(ByVal args() As String)
        ' Add code here to start your service. This method should set things
        ' in motion so your service can do its work.
        EventLog1.WriteEntry("In OnStart")
        ' Set up a timer to trigger every minute.
        timer.Interval = 1000 ' 1 seconds
        'unfortunetly OnTimer event handler will be executed even already one is running if Interval is riched by default.
        'This is because it will go multiple threading and not in main thread unless a SynchronizingObject is supplied. (Which it wasn't.) below :
        'timer.SynchronizingObject = Me
        'this is solving problem. OTher way is to make lock within OnTimer event handler as its done right now.
        AddHandler timer.Elapsed, AddressOf Me.OnTimer
        timer.Start()
    End Sub
    Protected Overrides Sub OnStop()
        ' Add code here to perform any tear-down necessary to stop your service.
        EventLog1.WriteEntry("In OnStop")
    End Sub
    Protected Overrides Sub OnContinue()
        EventLog1.WriteEntry("In OnContinue.")
    End Sub
    Private Sub OnTimer(ByVal sender As Object, ByVal e As Timers.ElapsedEventArgs)
    End Sub
End Class
SvcChorusCollector.Designer.vb
Imports System.ServiceProcess<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _Partial Class SvcChorusCollector    Inherits System.ServiceProcess.ServiceBase    'UserService overrides dispose to clean up the component list.    <System.Diagnostics.DebuggerNonUserCode()> _    Protected Overrides Sub Dispose(ByVal disposing As Boolean)        Try            If disposing AndAlso components IsNot Nothing Then                components.Dispose()            End If        Finally            MyBase.Dispose(disposing)        End Try    End Sub    ' The main entry point for the process    <MTAThread()> _    <System.Diagnostics.DebuggerNonUserCode()> _    Shared Sub Main()        Dim ServicesToRun() As System.ServiceProcess.ServiceBase        ' More than one NT Service may run within the same process. To add        ' another service to this process, change the following line to        ' create a second service object. For example,        '        '   ServicesToRun = New System.ServiceProcess.ServiceBase () {New Service1, New MySecondUserService}        '        ServicesToRun = New System.ServiceProcess.ServiceBase() {New SvcChorusCollector}        System.ServiceProcess.ServiceBase.Run(ServicesToRun)    End Sub    'Required by the Component Designer    Private components As System.ComponentModel.IContainer    ' NOTE: The following procedure is required by the Component Designer    ' It can be modified using the Component Designer.      ' Do not modify it using the code editor.    <System.Diagnostics.DebuggerStepThrough()> _    Private Sub InitializeComponent()        Me.EventLog1 = New System.Diagnostics.EventLog()        CType(Me.EventLog1, System.ComponentModel.ISupportInitialize).BeginInit()        '        'EventLog1        '        '        'SvcChorusCollector        '        Me.ServiceName = "SvcChorusCollector"        Me.CanStop = True                   'if this is not set to true then will be not possible to stop service manually from service window services.msc !!!        Me.AutoLog = True        CType(Me.EventLog1, System.ComponentModel.ISupportInitialize).EndInit()    End Sub    Friend WithEvents EventLog1 As System.Diagnostics.EventLogEnd Class
The second service is on same basis, of course service names, source,logname are diffrent. What i do wrong? Error message appearing really fast after ~8 sec

Windows Service hanging issue!

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