TFS build error - process cannot access - tfs

When I am trying to buid on TFS build server I got the following error:
Error CS2012: Cannot open 'xx.dll' for writing -- 'The process cannot access the file 'xx.dll' because it is being used by another process.'
Could anyone please help out with that?

If you are developing a web application or anything of the like make sure that your server process (usually IISExpress or something) is not being run.
Kill all the processes that maybe consuming your compiled code.
Alternatively, you can download Lockhunter and see which program is locking that file.

Related

TFS 2012 continuous integration deployment fails - Directory not empty

Sporadically get the error
An error was encountered when processing operation 'Delete Directory'
on
'D:\xxx'. The error code was
0x80070091. The directory is not empty.
I'm using web deploy WMSVC and the user has full access to the root of the site (set up through IIS > Configure Web Deploy Publishing
EDIT
Or less frequently:
C:\Program Files (x86)\MSBuild\Microsoft\VisualStudio\v11.0\Web\Microsoft.Web.Publishing.targets (4377): Web deployment task failed. (Unable to perform the operation ("Delete File") for the specified directory ("D:\xxx\bin\Microsoft.Practices.ServiceLocation.dll"). This can occur if the server administrator has not authorized this operation for the user credentials you are using. Learn more at: http://go.microsoft.com/fwlink/?LinkId=221672#ERROR_INSUFFICIENT_ACCESS_TO_SITE_FOLDER.)
I follow the instructions for the user (a domain user) but it makes no difference. The publish settings that get saved have publishMethod="MSDeploy" instead of WMSVC.
Note, it deploys correctly 95% of the time.
I know this sounds stupid, but do you have those folders open (or children thereof) on any computer? Especially if you had a dead remote desktop session or someone accessing it over the network share it will get a denial to be able to delete the directory.
Burned me a number of times, you're issue may be different though. I realize this is a late response, but found it while searching for my own issue and though I cuold help.

Web deployment failing due to file in use

I'm using Microsoft's Web Deploy Remote Agent service to allow me to easily publish code to the server from within Visual Studio.
The web site I am deploying is using log4net to log messages to log files, and every time I try to deploy a new version of the code, I get this error in Visual Studio stating that the current log4net log file is in use:
An error occurred when the request was processed on the remote
computer. The file 'Web.log' is in use.
The process cannot access 'C:\inetpub\wwwroot\Logs\Web.log' because it
is being used by another process.
I can solve this by going onto the server and doing an iisreset before publishing... but that is kind of defeating the point of 'easy' publishing from Visual Studio :)
Is there some way I can get the publish task to issue an iisreset automatically, or some other way I can work round this?
I kept poking around and found some tidbits around the file being locked in a few other forums. Have you tried adding
<lockingModel type="log4net.Appender.FileAppender+MinimalLock" />
To your <appender> element in the web.config file? From the Apache docs
Opens the file once for each AcquireLock/ReleaseLock cycle,
thus holding the lock for the minimal amount of time. This method of
locking is considerably slower than FileAppender.ExclusiveLock but
allows other processes to move/delete the log file whilst logging
continues.
As far as the performance considerations, I suppose you would need to test if this will affect you or not as I am assuming it really depends on how often you are writing to the log file as to how much this will impact performance. I can't believe that getting/releasing a lock could take all that much time though.
There is a MSDEPLOY provider called recycleApp which is used exactly for this. You can include this in your deployment manifest.
Another option is to use ignoreOnErrors flag which will skip the file in use and continue with the deployment.

Trying to call svn.exe from batch file called by .NET webpage - odd results

The situation: I have a mvc.net web page which, when called, runs a batch file on my server using System.Diagnostics.Process.Start and cmd.exe. The batch file contains a line that runs "svn.exe update myfilepath" and should therefore update the files on the server.
What's happening?
- the batch file is running, but the call to svn.exe does nothing, nor produces any error messages.
- if I run the batch file by double clicking, the svn command DOES run successfully.
I guess this is a security issue, but I'm no expert on this and I cannot make any headway.
The site is hosted on Windows Server 2008 R2 and the app pool is using the ApplicationPoolIdentity system. I have tried running the app pool as Network Service and also adding Network Service as a user that can Read/Execute to svn.exe.
Please help!
This could be proxy related. It's possible that you access the Internet via a proxy, but that the user profile for the app pool identity isn't configured like this. You may need to use a domain account that you can log on as in order to create a suitable user profile. You will also need to make sure IIS is loading the profile by ticking the appropriate option.
(Another possibility is that the working directory for the process you are starting is not set correctly to the root of your Subversion working copy. We've established this wasn't the problem in your case.)

How to profile an ASP.NET web service on a remote server by EQATEC profiler?

I am thinking the modified dlls will create a log file some where in the remote system so I can open it later after load test but all I found was a log file in $(SystemRoot)\Temp\EQATECProfilerLogs saying nothing other than app started. Do I need to install EQATEC profiler on the remote server?
Thanks
This scenario is adressed in this EQATEC forum thread:
A profiled app needs to be told when we want it to produce its profiling report. For plain apps this is simple and has therefore been automated: when Main exits. But your web-service has no similar "exit point" - it just keeps on running until you kill it.
Therefore you have to explicitly/manually tell the profiled web-service to take a snapshot. The easiest way is to simply run the profiler on the same machine as the web-service is running on: when the web-service is starting up it will automatically connect to the profiler and you can then run your tests and control/dump timing info at will using the "take snapshot" and "clear counters"-buttons.
Alternatively, you can make a reference to the supplied runtime-module from within your code and make explicit calls to the API (TakeSnapshot etc) precisely where you want in your code. The runtime-modules reside in C:\Program Files\EQATEC\EQATECProfiler\RuntimeDLL.

Starting a windows service fails with error 1053

I have a windows service that is failing to start, giving an error "Error 1053: The service did not respond to the start or control request in a timely fashion".
Running the service in my debugger works fine, and if I double click on the the service .exe on the remote machine a console window pops up and continues to run without problem - I can even see log messages showing me that the program is processing everything the way it should be.
The service had been running fine previously, though this is my first time, personally, trying to deploy it with the most recent changes made to the program. I've evaluated those changes and cant figure out how they might cause this problem, particuarly since everything runs fine when not started as a service.
The StartRoutine() method of the service impelmentation is empty, so should be returning in a "timely fashion".
I've checked the event logs on the computer, and it doesn't give any additional information other than it didn't hear back from the service in the 30 second requisite time frame.
Since it works on my machine, and as a double-clicked executable, how would I go about figuring out why it fails as a service?
Oh, and it's .NET 2.0, so it shouldn't be affected by the 1.1 framework bug that exhibited this symptom (http://support.microsoft.com/kb/839174)
The box is a windows server 2003 R2 machine running SP2.
This is a misleading error. It's probably an unhandled exception.
Empty your OnStart() handler then try this in your constructor...
public MainService()
{
InitializeComponent();
try
{
// All your initialization code goes here.
// For instance, my exception was caused by the lack of registry permissions
;
}
catch (Exception ex)
{
EventLog.WriteEntry("Application", ex.ToString(), EventLogEntryType.Error);
}
}
Now check the EventLog on your system for your Application Error.
Could be a number of things and it might help to get a stack trace on the machine exhibiting the problem. There are a number of ways to do this but the point is that you have to see where this is failing in the code.
You can do this with remote debugging, but a simple thing might be to just log to the event logger, or file log if you have that. Literally, putting "WriteLine("At class::function()") throughout portions of the code to see if you've made it there.
This will at least get you looking in the right direction (which ultimately is the code).
Update:
See Microsoft's How to Debug Windows Services article for details in troubleshooting startup problems using WinDbg.
This related question details nice ways to debug services that are written in .NET.
I agree with Scott, the easiest way to find out what's happening is to put some traces in the start-up code (maybe it doesn't even come to your start-up code).
If this doesn't help, you can post your code here so others can take a look.
perhaps lacking some dependence, try this :
- deregister your service
- register again
If fail at register means that lack an module.
If the StartRoutine is empty, you are probably starting it somewhere else.
IIRC you need to fire off a worker thread, and then return from StartRoutine.
One of the problems which may lead to this error is if windows service which needs to be deployed consists of some error i.e it may be simple authorization error or anything as in my case I have referenced some folders and files for logging which were not existing, but when provided the right path of those file and folders it solved my problem.
I ran through every post on this particular subject and none of the responses solved the problem, so I'm adding this response in case this helps someone else. Admittedly this only applies to a new service, not this specific case.
I was writing a File listening service. As a console app, it worked perfectly. When I ran it as a service, I got the same error as above. What I didn't know (and many of the MSDN articles about services conveniently leave out) is that you need to have your class executed from within ServiceBase.Run( YourClassName());. Otherwise, your app executes and immediately terminates and because it terminated, you get the error above even if no error or exception occurred. Here is a link to an article about this. It actually discusses setting up your app for dual use - Console app and service: Create a combo command line / Windows service app
I had that issue and the source of my problem was config file. I edited it in notepad and notepad added one special character which cause service not to run properly because config file was ruined. I saw that special character in notepadd++ and after delete it, service started to run successfully as previous did.
In my case, the correct .NET framework was not installed on the server that I was installing the Windows service on.
One other reason is If you copy the DLL in 'debug' mode to installation folder this issue will come.What you need to do is Run the project in 'Release' mode copy the DLL or directly form Release folder rather than Debug folder,,and copy that DLL in to installation folder,it will work.You can see the reduction in size of DLL ,it will not contain any debug symbols and like that

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