IMAQ Vision AVI create - file access denied error
Hello:
I am getting some really strange behavior with the IMAQ Vision AVI create function. I am seeing the following error with the following file name or pretty much any other file name I try. I did try to hard code the same file path name, and one time it worked, but another time it did not. Anyone seen this error before?
I will cross-post in the Vision forum also.
Thanks,
Don
Message Edited by DonRoth on 07-28-2008 11:27 AM
Attachments:
1074395992.png 7 KB
Here is the simple version of the code. I have even gotten out of LabVIEW and then come back in and still could not save to AVI (even if deleting the old file of same name) so not sure what is going on. The error occurs right on the error output of Create AVI.vi...Don
Message Edited by DonRoth on 07-28-2008 01:33 PM
Attachments:
save_images_to_avi.png 16 KB
Same_Image_Series.llb 117 KB
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This is for information to help others
KEYWORDS:
- Sharing EFS encrypted files over a personal lan wlan wifi ap network
- Access denied on create new file / new fold on encrypted EFS network file share remote mapped folder
- transfer encryption keys / certificates
- set trusted delegation for user + computer for EFS encrypted files via
Kerberos
- Windows Active Directory vs network file share
- Setting up WinDAV server on Windows 7 Pro / Ultimate
It has been a long painful road to discover this information.
I hope sharing it helps you.
Using EFS on Windows 7 pro / ultimate is easy and works great. See
here and
here
So too is opening + editing encrypted files over a peer-to-peer Windows 7 network.
HOWEVER, creating a new file / new folder over a peer-to-peer Windows 7 network
won't work (unless you follow below steps).
Typically, it is only discovered as an issue when a home user wants to use synchronisation software between their home computers which happens to have a few folders encrypted using windows EFS. I had this issue trying to use GoodSync.
Typically an "Access Denied" error messages is thrown when a \\clientpc tries to create new folder / new file in an encrypted folder on a remote file share \\fileserver.
Why such a EFS drama when a network is involved?
Assume a home peer-to-peer network with 2pc: \\fileserver and \\clientpc
When a \\clientpc tries to create a new file or new folder on a \\fileserver (remote computer) it fails. In a terribly simplified explanation it is because the process on \\fileserver that is answering the network requests is a process working for a user on
another machine (\\clientpc) and that \\fileserver process doesn't have access to an encryption certificate (as it isn't a user). Active Directory gets around this by using kerberos so the process can impersonate a \\fileserver user and then use their certificate
(on behalf of the clienpc's data request).
This behaviour is confusing, as a \\clientpc can open or edit an existing efs encrypted file or folder, just can't create a new file or folder. The reason editing + opening an encrypted file over a network file share is possible is because the encrypted
file / folder already has an encryption certificate, so it is clear which certificate is required to open/edit the file. Creating a new file/folder requires a certificate to be assigned and a process doesn't have a profile or certificates assigned.
Solutions
There are two main approaches to solve this:
1) SOLVE by setting up an Active Directory (efs files accessed through file shares)
EFS operations occur on the computer storing the files.
EFS files are decrypted then transmitted in plaintext to the client's computer
This makes use of kerberos to impersonate a local user (and use their certificate for encrypt + decrypt)
2) SOLVE by setting up WebDAV (efs files accessed through web folders)
EFS operations occur on the client's local computer
EFS files remain encrypted during transmission to the client's local computer where it is decrypted
This avoids active directory domains, roaming or remote user profiles and having to be trusted for delegation.
BUT it is a pain to set up, and most online WebDAV server setup sources are not for home peer-to-peer networks or contain details on how to setup WebDAV for EFS file provision
READ BELOW as this does
Create new encrypted file / folder on a network file share - via Active Directory
It is easily possible to sort this out on a domain based (corporate) active directory network. It is well documented. See
here. However, the problem is on a normal Windows 7 install (ie home peer-to-peer) to set up the server as part of an active directory domain is complicated, it is time consuming it is bulky, adds burden to operation of \\fileserver computer
and adds network complexity, and is generally a pain for a home user. Don't. Use a WebDAV.
Although this info is NOT for setting up EFS on an active directory domain [server],
for those interested here is the gist:
Use the Active Directory Users and Computers snap-in to configure delegation options for both users and computers. To trust a computer for delegation, open the computer’s Properties sheet and select Trusted for delegation. To allow a user
account to be delegated, open the user’s Properties sheet. On the Account tab, under Account Options, clear the The account is sensitive and cannot be delegated check box. Do not select The account is trusted for delegation. This property is not used with
EFS.
NB: decrypted data is transmitted over the network in plaintext so reduce risk by enabling IP Security to use Encapsulating Security Payload (ESP)—which will encrypt transmitted data,
Create new encrypted file / folder on a network file share - via WebDAV
For home users it is possible to make it all work.
Even better, the functionality is built into windows (pro + ultimate) so you don't need any external software and it doesn't cost anything. However, there are a few hotfixes you have to apply to make it work (see below).
Setting up a wifi AP (for those less technical):
a) START ... CMD
b) type (no quotes): "netsh wlan set hostednetwork mode=allow ssid=MyPersonalWifi key=12345 keyUsage=persistent"
c) type (no quotes): "netsh wlan start hostednetwork"
Set up a WebDAV server on Windows 7 Pro / Ultimate
-----ON THE FILESERVER------
1 click START and type "Turn Windows Features On or Off" and open the link
a) scroll down to "Internet Information Services" and expand it.
b) put a tick in: "Web Management Tools" \ "IIS Management Console"
c) put a tick in: "World Wide Web Services" \ "Common HTTP Features" \ "WebDAV Publishing"
d) put a tick in: "World Wide Web Services" \ "Security" \ "Basic Authentication"
e) put a tick in: "World Wide Web Services" \ "Security" \ "Windows Authentication"
f) click ok
g) run HOTFIX - ONLY if NOT running Windows 7 / windows 8
KB892211 here ONLY for XP + Server 2003 (made in 2005)
KB907306 here ONLY for Vista, XP, Server 2008, Server 2003 (made in 2007)
2 Click START and type "Internet Information Services (IIS) Manager"
3 in IIS, on the left under "connections" click your computer, then click "WebDAV Authoring Rules", then click "Open Feature"
a) on the right side, under Actions, click "Enable WebDAV"
4 in IIS, on the left under "connections" click your computer, then click "Authentication", then click "Open Feature"
a) on the "Anonymous Authentication" and click "Disable"
b) on the "Windows Authentication" and click "Enable"
NB: Some Win 7 will not connect to a webDAV user using Basic Authentication.
It can be by changing registry key:
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WebClient\Parameters]
BasicAuthLevel=2
c) on the "Windows Authentication" click "Advanced Settings"
set Extended Protection to "Required"
NB: Extended protection enhances the windows authentication with 2 security mechanisms to reduce "man in the middle" attacks
5 in IIS, on the left under "connections" click your computer, then click "Authorization Rules", then click "Open Feature"
a) on the right side, under Actions, click "Add Allow Rule"
b) set this to "all users". This will control who can view the "Default Site" through a web browser
NB: It is possible to specify a group (eg Administrators is popular) or a user account. However, if not set to "all users" this will require the specified group/user account to be used for logged in with on the
clientpc.
NB: Any user account specified here has to exist on the server. It has a bug in that it usernames specified here are not validated on input.
6 in IIS, on the left under "connections" click your computer, then click "Directory Browsing", then click "Open Feature"
a) on the right side, under Actions, click "Enable"
HOTFIX - double escaping
7 in IIS, on the left under "connections" click your computer, then click "Request Filtering", then click "Open Feature"
a) on the right side, under Actions, click "Edit Feature Settings"
b) tick the box "Allow double escaping"
*THIS IS VERY IMPORTANT* if your filenames or foldernames contain characters like "+" or "&"
These folders will appears blank with no subdirectories, or these files will not be readable unless this is ticked
This is safe btw. Unchecked (default) it filters out requests that might possibly be misinterpreted by buggy code (eg double decode or build url's via string-concat without proper encoding). But any bug would need to be in IIS basic
file serving and this has been rigorously tested by microsoft, so very unlikely. Its safe to "Allow double escaping".
8 in IIS, on the left under "connections" right click "Default Web Site", then click "Add Virtual Directory"
a) set the Alias to something sensible eg "D_Drive", set the physical path
b) it is essential you click "connect as" and set
this to a local user (on fileserver),
if left as "pass through authentication" a client won't be able to create a new file or folder in an encrypted efs folder (on fileserver)
NB: the user account selected here must have the required EFS certificates installed.
See
here and
here
NB: Sharing the root of a drive as an active directory (eg D:\ as "D_Drive") often can't be opened on clientpcs.
This is due to windows setting all drive roots as hidden "administrative shares". Grrr.
The work around is on the \\fileserver create an NTFS symbollic link
e.g. to share the entire contents of "D:\",
on fileserver browse to site path (iis default this to c:\inetpub\wwwroot)
in cmd in this folder create an NTFS symbolic link to "D:\"
so in cmd type "cd c:\inetpub\wwwroot"
then in cmd type "mklink /D D_Drive D:\"
NB: WebDAV will open this using a \\fileserver local user account, so double check local NTFS permissions for the local account (clients will login using)
NB: If clientpc can see files but gets error on opening them, on clientpc click START, type "Manage Network Passwords", delete any "windows credentials" for the fileserver being used, restart
clientpc
9 in IIS, on the left under "connections" click on "WebDAV Authoring Rules", then click "Open Feature"
a) click "Add authoring rules". Control access to this folder by selecting "all users" or "specified groups" or "specified users", then control whether they can read/write/source
b) if some exist review existing allow or deny.
Take care to not only review the "allow access to" settings
but also review "permissions" (read/write/source)
NB: this can be set here for all added virtual directories, or can be set under each virtual directory
10 Open your firewall software and/or your router. Make an exception for port 80 and 443
a) In Windows Firewall with Advanced Security click Inbound Rules, click New Rule
choose Port, enter "80, 443" (no speech marks), follow through to completion. Repeat for outbound.
NB: take care over your choice to untick "Public", this can cause issues if no gateway is specified on the network (ie computer-to-computer with no router). See "Other problems+fixes"
below, specifically "Cant find server due to network location"
b) Repeat firewall exceptions on each client computer you expect to access the webDAV web folders on
HOTFIX - MAJOR ISSUE - fix KB959439
11 To fully understand this read "WebDAV HOTFIX: RAW DATA TRANSFERS" below
a) On Windows 7 you need only change one tiny registry value:
- click START, type "regedit", open link
-browse to [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\MRxDAV\Parameters]
-on the EDIT menu click NEW, then click DWORD Value
-Type "DisableEFSOnWebDav" to name it (no speech marks)
-on the EDIT menu, click MODIFY, type 1, then click OK
-You MUST now restart this computer for the registry change to take effect.
b) On Windows Server 2008 / Vista / XP you'll FIRST need to
download Windows6.0-KB959439 here. Then do the above step.
NB microsoft will ask for your email. They don't care about licence key legality, it is more to keep you updated if they modify that hotfix
12 To test on local machine (eg \\fileserver) and deliberately bypass the firewall.
a) make sure WebClient Service is running
(click START, type "services" and open, scroll down to WebClient and check its status)
b) Open your internet software. Go to address "http://localhost:80" or "http://localhost:80"
It should show the default "IIS7" image.
If not, as firewall and port blocking are bypassed (using localhost) it must be a webDAV server setting. Check "Authorization Rules" are set to "Allow All Users"
c) for one of the "virtual directories" you added (8), add its "alias" onto "http://localhost/"
e.g. http://localhost/D_drive
If nothing is listed, check "Directory Browsing" is enabled
13 To test on local machine or a networked client and deliberately try and access through the firewall or port opening of your router.
a) make sure WebClient Service is running
(click START, type "services" and open, scroll down to WebClient and check its status)
b) open your internet software. Go to address "http://<computer>:80" or "http://<computer>:80".
eg if your server's computer name is "fileserver" go to "http://fileserver:80"
It should show the default "IIS7" image. If not, check firewall and port blocking.
Any issue ie if (12) works but (13) doesn't, will indicate a possible firewall issue or router port blocking issue.
c) for one of the "virtual directories" you added (8), add its "alias" onto "http://<computername>:80/"
eg if alias is "C_driver" and your server's computer name is "fileserver" go to "http://fileserver:80/C_drive"
A directory listing of files should appear.
--- ON EACH CLIENT ----
HOTFIX - improve upload + download speeds
14 Click START and type "Internet Options" and open the link
a) click the "Connections" tab at the top
b) click the "LAN Settings" button at the bottom right
c) untick "Automatically detect settings"
HOTFIX - remove 50mb file limit
15 On Windows 7 you need only change one tiny registry value:
a) click START, type "regedit", open link
b) browse to [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\WebClient\Parameters]
c) click on "FileSizeLimitInBytes"
d) on the EDIT menu, click MODIFY, type "ffffffff", then click OK (no quotes)
HOTFIX - remove prompt for user+pass on opening an office or pdf document via WebDAV
16 On each clientpc click START, type "Internet Options" and open it
a) click on "Security" (top) and then "Custom level" (bottom)
b) scroll right to the bottom and under "User Authentication" select "Automatic logon with current username and password"
SUCH an easy fix. SUCH an annoying problem on a clientpc
NB: this is only an issue if the file is opened through windows explorer. If opened through the "open" dialogue of the software itself, it doesn't happen. This is as a WebDAV mapped drive is consdered a "web folder" by windows
explorer.
TEST SETUP
17 On the client use the normal "map network drive"
e.g. server= "http://fileserver:80/C_drive", tick reconnect at logon
e.g. CMD: net use * "http://fileserver:80/C_drive"
If it doens't work check "WebDAV Authoring Rules" and check NTFS permissions for these folders. Check that on the filserver the elected impersonation user that the client is logging in with (clientpc
"manage network passwords") has NTFS permissions.
18 Test that EFS is now working over the network
a) On a clientpc, map network drive to http://fileserver/
b) navigate to a folder you know on the \\flieserver is encrypted with EFS
c) create a new folder, create a new file.
IF it throws an error, check carefully you mapped to the WebDAV and not file share
i.e. mapped to "http://fileserver" not "\\fileserver"
Check that on clientpc the required efs certificate is installed. Then check carefully on clientpc what user account you specified during the map drive process. Then check on the \\fileserver this
account exists and has the required EFS certificate installed for use. If necessary, on clientpc click START, type "Manage Network Passwords" and delete the windows credentials currently in the vault.
d) on clientpc (through a webDAV mapped folder) open an encrypted file, edit it, save it, close it. On the \\fileserver now check that file is readable and not gobble-de-goup
e) on clientpc copy an encrypted efs file into a folder (a webDAV mapped folder) you know is not encrypted on \\fileserver. Now check on the \\fileserver computer that the file is readable and not gobble-de-goup (ie the
clientpc decrypted it then copied it).
If this fails, it is likely one in IIS setting on fileserver one of the shared virtual directories is set to: "pass through authentication" when it should be set to "connect as"
If this is not readable check step (11) and that you restarted the \\fileserver computer.
19 Test that clients don't get the VERY annoying prompt when opening an Office or PDF doc
a) on clientpc in windows explorer browse to a mapped folder you know is encrypted and open an office file and then PDF.
If a prompt for user+pass then check hotfix (16)
20 Consider setting up a recycling bin for this mapped drive, so files are sent to recycling bin not permanently deleted
a) see the last comment at the very bottom of
this page:
Points to consider:
- NB: WebDAV runs on \\fileserver under a local user account, so double check local NTFS permissions for that local account and adjust file permissions accordingly. If the local account doesn't have permission, the webDAV / web folder share won't
either.
- CONSIDER: IP Security (IPSec) or Secure Sockets Layer (SSL) to protect files during transport.
MORE INFO: HOTFIX: RAW DATA TRANSFERS
More info on step (11) above.
Because files remain encrypted during the file transfer and are decrypted by EFS locally, both uploads to and downloads from Web folders are raw data transfers. This is an advantage as if data is intercepted it is useless. This is a massive disadvantage as
it can cause unexpected results. IT MUST BE FIXED or you could be in deep deep water!
Consider using \\clientpc to access a webfolder on \\fileserver and copying an encrypted EFS file (over the network) to a web folder on \\fileserver that is not encrypted.
Doing this locally would automatically decrypt the file first then copy the decrypted file to the non-encrypted folder.
Doing this over the network to a web folder will copy the raw data, ie skip the decryption stage and result in the encrypted EFS file being raw copied to the non-encrypted folder. When viewed locally this file will not be recognised as encrypted (no encryption
file flag, not green in windows explorer) but it will be un-readable as its contents are still encrypted. It is now not possible to locally read this file. It can only be viewed on the \\clientpc
There is a fix:
It is implimented above, see (11) above
Microsoft's support page on this is excellent and short. Read "problem description" of "this microsoft webpage"
Other problems + fixes
PROBLEM: Can't find server due to network location.
This one took me a long time to track down to "network location".
Win 7 uses network locations "Home" / "Work" / "Public".
If no gateway is specified in the IP address, the network is set to '"unidentified" and so receives "Public" settings.
This is a disaster for remote file share access as typically "network discovery" and "file sharing" are disabled under "Public"
FIX = either set IP address manually and specify a gateway
FIX = or force "unidentified" network locations to assume "home" or "work" settings -
read here or
here
FIX = or change the "Public" "advanced network settings" to turn on "network discovery" and "file sharing" and "Password Protected Sharing". This is safe as it will require a windows
login to gain file access.
PROBLEM: Deleting files on network drive permanently deletes them, there is no recycling bin
By changing the location of "My Contacts" or similar to the root directory of your mapped drive, it will be added to recycling bin locations
Read
here (i've posted a batch script to automatically make the required reg files)
I really hope this helps people. I hope the keywords + long title give it the best chance of being picked up in web searches.What probably happens is that processes are using those mounts. And that those processes are not killed before the mounts are unmounted. Is there anything that uses those mounts?
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hi,
as part of my requirement , i have to perform read and write operations of few files [ using the file upload control in my custom visual web part] and on submit button click.
but while writing these files - with the help of fileupload control - and when i use myfileupload.saveas(mylocation);
- i am saving these files into my D:\ drive of my server , where i am executing my code -, am getting access denied error.
it throws system.unauthorizedexception.
i have given full control on that folder where i was trying to store my attached files. and also after following asp.net forums,
i have added iusr group added and performed all those steps such that, the file is saved in my D:\ drive.
but unfortunately that didnt happen.
also
a) i am trying the code with runwithelevatedprivileges(delegate() ) code
b) shared the drive within the d :drive where i want o save the files.
c) given the full privieleges for the app pool identity- in my case , its
network service.
the other strange thing is that, the same code works perfectly in other machine, where the same sp, vs 2012 etc were installed .
would like to know, any other changes/ steps i need to make it on this server, where i am getting the error.
help is appreciated!vishnuS1984 wrote:
Hi Friends,
I have gone through scores of examples and i am failing to understand the right thing to be done to copy a file from one directory to another. Here is my class...So let's see... C:\GetMe1 is a directory on your machine, right? And this is what you are doing with that directory:
public static void copyFiles(File src, File dest) throws IOException
// dest is a 'File' object but represents the C:\GetMe1 directory, right?
fout = new FileOutputStream (dest);If it's a directory, where in your code are you appending the source file name to the path, before trying to open an output stream on it? You're not.
BTW, this is awful:
catch (IOException e)
IOException wrapper = new IOException("copyFiles: Unable to copy file: " +
src.getAbsolutePath() + "to" + dest.getAbsolutePath()+".");
wrapper.initCause(e);
wrapper.setStackTrace(e.getStackTrace());
throw wrapper;
}1) You're hiding the original IOException and replacing it with your own? For what good purpose?
2) Even if you had a good reason to do that, this would be simpler and better:
throw new IOException("your custom message goes here", e);
rather than explicitly invokign initCause and setStackTrace. Yuck! -
Access Denied error with basic XML file operations
Hi,
I'm trying to set up a basic read, write and delete code for XML files which I can build upon in the future. The three methods are bound to three buttons on the page and all three calls are awaited. Here's my code:
Write:
XElement uservarnodes = new XElement("uservars",
new XElement("uservar1", "1"),
new XElement("uservar2", "2"),
new XElement("uservar3", "3"),
new XElement("uservar4", "4"),
new XElement("uservar5", "5"),
new XElement("uservar6", "6"),
new XElement("uservar7", "7"),
new XElement("uservar8", "8"));
StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
var file = await local.CreateFileAsync("uservarfile.xml", CreationCollisionOption.ReplaceExisting);
var stream = await file.OpenAsync(Windows.Storage.FileAccessMode.ReadWrite);
using (var outputStream = stream.GetOutputStreamAt(0))
DataWriter mydataWriter = new DataWriter(outputStream);
mydataWriter.WriteString(uservarnodes.ToString());
await mydataWriter.StoreAsync();
await outputStream.FlushAsync();
Read (outputs the data to a textblock):
StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
var file = await local.GetFileAsync("uservarfile.xml");
string readtext = await Windows.Storage.FileIO.ReadTextAsync(file);
XElement uservarnodes = XElement.Parse(readtext);
txtTarget.Text = uservarnodes.ToString();
Delete:
StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
var file = await local.GetFileAsync("uservarfile.xml");
await file.DeleteAsync(StorageDeleteOption.PermanentDelete);
When I tap each of the buttons once it all seems to work. But when I tap any of the buttons again within the same debug session I get an Access denied exception (E_ACCESSDENIED). Other people with this error had to await when calling their method, but I'm
already doing that: private async void btnWrite_Click(object sender, RoutedEventArgs e) { await WriteToXMLFile(); }, etc.
And the intervals between my taps isn't that short that you'd expect that the previously called method still had not finished completing. I don't understand why I'm getting the access denied error.
Related to my question: I have added XML to the File Type Associations, File Open Picker and File Save Picker in the appxmanifest, but somewhere I read that you do not need to do this if you're working with local app data only. Is this true?var stream = await file.OpenAsync(Windows.Storage.FileAccessMode.ReadWrite);
I think because of your file stream hasn't been closed.
by the way, it can be easier by using System.IO.OpenStreamForWriteAsync extension method
async public static Task<bool> SaveTextFileAsync(string filename, string data)
byte[] fileBytes = System.Text.Encoding.UTF8.GetBytes(data);
StorageFolder local = Windows.Storage.ApplicationData.Current.LocalFolder;
var file = await local.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
try
using (var s = await file.OpenStreamForWriteAsync())
s.Write(fileBytes, 0, fileBytes.Length);
return true;
catch
return false;
(need using System.IO namespace)
在現實生活中，你和誰在一起的確很重要，甚至能改變你的成長軌跡，決定你的人生成敗。 和什麼樣的人在一起，就會有什麼樣的人生。 和勤奮的人在一起，你不會懶惰； 和積極的人在一起，你不會消沈； 與智者同行，你會不同凡響； 與高人為伍，你能登上巔峰。 -
Getting access denied error while importing file using input type="file"
Hi All,
I am using struts application wherein I need to import file for some purpose.I have used input type="file" for the same which goes like:
<input type="file" id="uploadFile" name="uploadFile" size="50">
I have the import button on which I have used onClick event to call javascript function submitValues() used to validate all the fields from the page which goes like:
<input type="button" name="select" value="Import" class="CSSButton" onClick="javascript:submitValues();">
The JS function then in turn submits the form and calls the action.The problem is sometimes even when the correct path is specified for the file to be imported results in access denied error.This error comes sometimes and other times it works fine.But when this error comes,I need to relogin into the application and then it works fine.I am using IE7 for this.
Any idea why I am getting access denied error while importing? Has it got something to do with IE7 version or with the input type="file" which is being used here?
Thanks for any help if anyone can provide.
Edited by: passionateforjava on Mar 4, 2009 2:18 AMvishnuS1984 wrote:
Hi Friends,
I have gone through scores of examples and i am failing to understand the right thing to be done to copy a file from one directory to another. Here is my class...So let's see... C:\GetMe1 is a directory on your machine, right? And this is what you are doing with that directory:
public static void copyFiles(File src, File dest) throws IOException
// dest is a 'File' object but represents the C:\GetMe1 directory, right?
fout = new FileOutputStream (dest);If it's a directory, where in your code are you appending the source file name to the path, before trying to open an output stream on it? You're not.
BTW, this is awful:
catch (IOException e)
IOException wrapper = new IOException("copyFiles: Unable to copy file: " +
src.getAbsolutePath() + "to" + dest.getAbsolutePath()+".");
wrapper.initCause(e);
wrapper.setStackTrace(e.getStackTrace());
throw wrapper;
}1) You're hiding the original IOException and replacing it with your own? For what good purpose?
2) Even if you had a good reason to do that, this would be simpler and better:
throw new IOException("your custom message goes here", e);
rather than explicitly invokign initCause and setStackTrace. Yuck! -
I cannot open files - they come up with an error opening this file - access denied. Help!
All my adobe files are now the same - they will not open at all - access denied with no reason other than an error! Help!
Hi - Strangely enough the files opened the very next time I tried! It
must be my fickle computer! My Adobe is quite new so I do not think it is
outdated.
Thanks for the reply anyway - I will plough on.
Cheers -Patti
In a message dated 01/04/2015 09:57:13 GMT Daylight Time,
[email protected] writes:
You have been mentioned
by Anubha Goel
(https://forums.adobe.com/people/Anubha+Goel?et=notification.mention) in Re: I cannot open files - they come up with an error
opening this file - access denied. Help! in Adobe Community - _View Anubha
Goel's reference to you_
(https://forums.adobe.com/message/7394775?et=notification.mention#7394775) -
Just started getting error messages: "error in trying to open this file, access denied"
Can anyone help? Just started to get error messages: "error in trying to open this file, access denied" This ha-ppens when trying to open PDF attachemnts to e-mail, something we have been doing for years. No new softare had been loaded recently so I can't explain what is happening. Anyone with any insight in to this situation?
What OS and Adobe Reader version are you using. Also what e-mail application are you using.
-
Access Denied Errors Copying Files to Network Share
We recently upgraded to Coldfusion MX 7 (7.02 Windows) and
Windows 2003 Server. Now I am getting access-denied errors when
attempting to copy files to a network share (not a mapped drive -
\\server\share) using <cffile action="copy">. All other file
copy operations work fine. This has been working fine for several
months but broke when we upgraded to MX 7 and Windows 2003. Any
suggestions for a solution would be apprectiated.I figured out what the problem is in case anyone else is
interested. The Coldfusion Application Server service is by default
set to run as local only. You need to set this service to run under
a user that has access to network resources and rights to the
destination path. -
Access denied error on updating list through custom webpart
hi
I have created one webpart having multiple view option.
On selection of items from one view user is clicking on next button to get 2nd view (THis is causing postback) and on selection of 2nd view items user is clicking on next buton for 3rd view.
On third view he can see the submit button. On click on submit button the selected items are updateing in one list and also updating data in other lists.
The list in which we are updating data have limited access to all users. But previously user were able to upate the list.
But after implimenting this multiple view with next button which postbacks on click user are getting access denied error while updating the list. If i provide contribute access to that list then they able to submit the changes properly. But even after
that they got the error at first time.
Any body got this type of issue?
Is the post back on custom webpart cause access denied error?
i have written my code like this to updat list,
protected void btnUpdate_Click(object sender, EventArgs e)
try
SPSite site = new SPSite(SPContext.Current.Site.ID);
SPWeb myWeb = site.OpenWeb(SPContext.Current.Web.ID);
SPSecurity.RunWithElevatedPrivileges(delegate()
using (SPSite ElevatedSite = new SPSite(site.ID))
using (SPWeb ElevatedWeb = ElevatedSite.OpenWeb(myWeb.ID))
ElevatedSite.AllowUnsafeUpdates = true;
ElevatedWeb.AllowUnsafeUpdates = true;
//code to update multiple lists
catch (Exception ex)
Please suggest any solution for this.Yes I checked with ULS log viewer.
Its very helpfull as reading that text log file is very difficuelt.
I found that if user spend more time on that webpart then session veriables on that webpart gets expired and at the time of redirection of user to newly created list using below code currentNewList becomes empty and its redirection to wrong list(_abc) which
is dummy list and user dont have any access.
currentNewList = NewListName+ "_abc"
SPUtility.Redirect(currentNewList.DefaultViewUrl, SPRedirectFlags.Default, HttpContext.Current);
So I modified the code to reload the session data when user clisk on submit button. -
Hi
I am trying to access subsites in a sitecolllection.
Although I am able to access the maintenance page with ?contents=1
I am not able to access other existing pages nor when I create new page from pages library and click on save I get access denied error.
Here is the error I see in Logs
The SPPersistedObject, FarmSettingStore Name=_pnpFarmConfig_, could not be updated because the current user is not a Farm Administrator.
And error on the page
Security Exception
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust
level in the configuration file.
Exception Details: System.Security.SecurityException: Access denied.
Source Error:
[No relevant source lines]
Source File: c:\Windows\Microsoft.NET\Framework64\v2.0.50727\Temporary ASP.NET Files\root\5abc8088\6a71a990\App_Web_homepage.aspx_-1099170352.ltihcxjv.0.cs Line:
0
Stack Trace:
[SecurityException: Access denied.]
Microsoft.SharePoint.Administration.SPPersistedObject.BaseUpdate() +27672523
Microsoft.Practices.SharePoint.Common.Configuration.FarmSettingStore.Load(SPFarm farm) +341
Microsoft.Practices.SharePoint.Common.Configuration.SPFarmPropertyBag.get_SettingStore() +258
Microsoft.Practices.SharePoint.Common.Configuration.SPFarmPropertyBag.Contains(String key) +51
Microsoft.Practices.SharePoint.Common.Configuration.SPFarmPropertyBag.get_Item(String key) +65
Microsoft.Practices.SharePoint.Common.Configuration.ConfigManager.GetProperty(Type settingType, String key, IPropertyBag propertyBag) +148
Microsoft.Practices.SharePoint.Common.Configuration.ConfigManager.GetFromPropertyBag(String key, IPropertyBag propertyBag) +220
Microsoft.Practices.SharePoint.Common.ServiceLocation.ServiceLocatorConfig.GetConfigData() +311
Microsoft.Practices.SharePoint.Common.ServiceLocation.ServiceLocatorConfig.GetTypeMappings() +50
Microsoft.Practices.SharePoint.Common.ServiceLocation.SharePointServiceLocator.CreateServiceLocatorInstance(SPSite site) +160
Microsoft.Practices.SharePoint.Common.ServiceLocation.SharePointServiceLocator.DoGetCurrent(SPSite site) +957
Microsoft.Practices.SharePoint.Common.ServiceLocation.SharePointServiceLocator.DoGetCurrent() +150
Microsoft.Practices.SharePoint.Common.ServiceLocation.SharePointServiceLocator.GetCurrent() +63
ABC..PropertyBag.Config.ConfigManager.ReadProperty(String propertyName, SPWeb web) +49
ABC.Common.ControlTemplates.ABC.Framework.Common.GlobalSearchBox.SetSearchResultPageUrl() +228
ABC.Common.ControlTemplates.ABC.Framework.Common.GlobalSearchBox.Page_Load(Object sender, EventArgs e) +644
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +42
System.Web.UI.Control.OnLoad(EventArgs e) +132
System.Web.UI.Control.LoadRecursive() +66
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Control.LoadRecursive() +191
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +11154599
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +11154138
System.Web.UI.Page.ProcessRequest() +91
System.Web.UI.Page.ProcessRequest(HttpContext context) +240
ASP.HOMEPAGE_ASPX__1099170352.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework64\v2.0.50727\Temporary ASP.NET Files\root\5abc8088\6a71a990\App_Web_homepage.aspx_-1099170352.ltihcxjv.0.cs:0
Microsoft.SharePoint.Publishing.TemplateRedirectionPage.ProcessRequest(HttpContext context) +175
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +599
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +171
This error is in staging environment.
Please help.
Thank you,
VinayHmm. This is not the normal access denied message that you would receive when you don't have permission to a site. Have you customized the page layouts to include something in it?
Andy Wessendorf SharePoint Developer II | Rackspace [email protected] -
Access denied error for Java application on 2630
Hello!
I have bought a 2630 recently. Now I have installed a small Java application that tries to store some data in the phones memory. However, each time the application tries to do so, I get a "java.lang.SecurityException Access denied" message and the application states that it could no save its data. I have set the security settings for that particular application so that the phone should ask before each access to the file system. In fact, before I get the error message, the phone asks whether the application may write data to the file system. But still answering that question with "yes" I get the Access denied error message. Now I am puzzled. By the way, the application uses JSR-75 which the 2630 should support.
Anybody any ideas?
Regards,
VolkerRESOLVED!
I was able to create file from java application on Nokia 2630. Here is how:
1. root C:/ is mapped to folder "Downloads"
2. The folders does not show with their names
3. there are 2 folders in C:/ predefgallery and predefjava
4. in predefgallery there are several predefined folders e.g. predefrecordings is one of them
5. I am able to create file inside predefrecordings, creating file in upper folders is denied
6. user created folders aro NOT shown at all
7. I had to manualy confirm reading of data many times and writing data once.
I hope this can help to other Nokia users since I did not find this anywhere.
Luke
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