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• Db2 error : SQL0901N, SQLSTATE=58004

  - by Harv

  Hi, Can i use Atomic in the parrent procedure as well as in the procedure which the mail procedure calls. My procedure compiles perfectly, but sometimes when I execute it. I receive following error: DB2 Database Error: ERROR [58004] [IBM][DB2/NT64] SQL0901N The SQL statement failed because of a non-severe system error. Subsequent SQL statements can be processed. (Reason "Sdir len bad: 1542!=1520+14".) SQLSTATE=58004 However, surprisingly when i commented the "ATOMIC" keyword in the main procedure and ran again it ran perfectly. But when I ran it again after uncommenting it still did not give any errors and ran perfectly. So the error that I recieve is not something that I recive everytime.Could some one please let me know what could be the issue and what needs to be done to resolve this. As on goolgeing I did not find any leads on this. Thanks, Harveer

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• How to transport an XML fragment in an XML Document

  - by mrwayne

  Hi, I'm using an AJAX system on a web application, and for one of the objects i return, it needs to contain an xml fragment. Unfortunately, being AJAX, i'm sending the values back via XML already. So, at the moment, i have something that looks like this (ignoring the fact the tags arent perfect. <Transport> <Message> <Content><[CDATA...] XML Content in here </Cdata></Content> </Message> </Transport> This has worked pretty well for the last few years, however, now the XML content itself needs to contain its own CDATA tags and its causing me grief because you cannot nest CDATA sections. Is there another way to encode the 'XML Content' internally?

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• Improving ANTLR DSL parse-error messages

  - by Dan Fabulich

  I'm working on a domain-specific language (DSL) for non-programmers. Non-programmers make a lot of grammar mistakes: they misspell keywords, they don't close parentheses, they don't terminate blocks, etc. I'm using ANTLR to generate my parser; it provides a nifty mechanism for handling RecognitionExceptions to improve error handling. But I'm finding it pretty hard to develop good error-handling code for my DSL. At this point, I'm considering ways to simplify the language to make it easier for me to provide users with high-quality error messages, but I'm not really sure how to go about this. I think I want to reduce the ambiguity of errors somehow, but I'm not sure how to implement that idea in a grammar. In what ways can I simplify my language to improve parse-error messages for my users? EDIT: Updated to clarify that I'm interested in ways to simplify my language, not just ANTLR error-handling tips in general. (Though, thanks for those!)

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• WCF Security Transport Security Questions

  - by shyneman

  I'm writing a set of WCF services that rely on transport security with Windows Authentication using the trusted subsystem model. However, I want to perform authorization based on the original client user that initiated the request (e.g. a user from a website with a username/password). I'm planning to achieve this by adding the original user's credentials in the header before the client sends the message and then the service will use the supplied credentials to authorize the user. So I have a few questions about this implementation: 1) using transport security with windows auth, I do NOT need to worry about again encrypting the passed credentials to ensure the validity... WCF automatically takes care of this - is this correct? 2) how does this implementation prevent a malicious service, running under some windows account within the domain, to send a message tagged with spoofed credentials. for e.g. a malicious service replaces the credentials with an Admin user to do something bad? Thanks for any help.

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• Error window show modal in MVVM WPF

  - by bluebit

  Hi guys I have implemented my MVVM error message as a message dialog that subscribes to error messages via a mediator class, so that other viewmodels can notify it if any errors occur. When an error occurs, I set the visibility attribute in the viewmodel to Visible, to display the error window. This is all bound in the Error window from the viewmodel. However, this window is NOT modal! I need to show it as a dialog and not just set the visibility to true - is there any kind of binding I can do, even if I have to extend the functionality of the window? I'd rather not break MVVM if I can avoid it. Thanks!

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• Certificate Information from WCF Service using Transport security mode

  - by Langdon

  Is there any way to pull information about which client certificate was used inside of my web service method when using <security mode="Transport>? I sifted through OperationContext.Current but couldn't find anything obvious. My server configuration is as follows: <basicHttpBinding> <binding name="SecuredBasicBindingCert"> <security mode="Transport"> <message clientCredentialType="Certificate" /> </security> </binding> </basicHttpBinding> I'm working with a third party pub/sub system who is unfortunately using DataPower for authentication. It seems like if I'm using WCF with this configuration, then I'm unable to glean any information about the caller (since no credentials are actually sent). I somehow need to be able to figure out whose making calls to my service without changing my configuration or asking them to change their payload.

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• How to get users to read error messages?

  - by FX

  If you program for a nontechnical audience, you find yourself at a high risk that users will not read your carefully worded and enlightening error messages, but just click on the first button available with a shrug of frustration. So, I'm wondering what good practices you can recommend to help users actually read your error message, instead of simply waiving it aside. Ideas I can think of would fall along the lines of: Formatting of course help; maybe a simple, short message, with a "learn more" button that leads to the longer, more detailed error message Have all error messages link to some section of the user guide (somewhat difficult to achieve) Just don't issue error messages, simply refuse to perform the task (a somewhat "Apple" way of handling user input) Edit: the audience I have in mind is a rather broad user base that doesn't use the software too often and is not captive (i.e., not an in-house software or narrow community). A more generic form of this question was asked on slashdot, so you may want to check there for some of the answers.

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• Problem passing ELMAH log id to Custom Error page in ASP.NET

  - by Ronnie Overby

  I am using ELMAH to log unhandled exceptions in an ASP.NET Webforms application. Logging is working fine. I want to pass the ELMAH error log id to a custom error page that will give the user the ability to email an administrator about the error. I have followed the advice from this answer. Here is my global.asax code: void ErrorLog_Logged(object sender, ErrorLoggedEventArgs args) { Session[StateKeys.ElmahLogId] = args.Entry.Id; // this doesn't work either: // HttpContext.Current.Items[StateKeys.ElmahLogId] = args.Entry.Id; } But, on the Custom error page, the session variable reference and HttpContext.Current.Items are giving me a NullReference exception. How can I pass the ID to my custom error page?

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• MS-Access VBA: form_error vs on error

  - by dmr

  I am trying to set up error handling for a MS-Access application. The standard method to do this seems to be with an On Error statement in each subroutine/function. It seems simpler to me to use the Form_Error function to catch all the runtime errors in that form as opposed to an On Error statement for each sub/function called by an event on that form. (Obviously, for code in modules, there is no Form_Error function and therefore the only method is the On Error statement) What are the pros and cons of using On Error vs Form_Error?

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• php custom forum error

  - by phillip morris

  i have a form, and i want to have it be limited at 10 characters minimum. that is no problem, but what i want to do is echo the error at the top of the page, which is being included, so i cant just do: echo '<div class="error">Error</div>'; i want to have a designated div that is empty (will be on the included header page), but when there is an error it gets filled with the error text to output. anyone know how to do this not using sessions or cookies?

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• getting 502 proxy error while parsing

  - by developer

  Iam parsing a page and im getting response from that but after some time i.e. after some of the parsing gets done i get this error from the server - Proxy Error The proxy server received an invalid response from an upstream server. The proxy server could not handle the request GET /file.php. Reason: Error reading from remote server and after this my parsing fails. I even tried sleep() function but it didnt helped and the error still came. Are they temporarily blocking my ip or what?? What could be the reason for this and how can i parse those pages without getting this error and all ???

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• <transport> tag within the ServicesReferences.ClientConfig

  - by jdiaz

  I've created a WCF service and added it to an existing Silverlight application that I am working on. When I run the silverlight application in debug mode it fails when I reference the WCF web service. Unrecognized element '' in service reference configuration. Note that only a subset of the Windows Communication Foundation configuration functionality is available in Silverlight. After searching around apparently the following line is causing the app to fail: <transport> <extendedProtectionPolicy policyEnforcement="Never" /> </transport> After removing the above lines everything works. What is the issue here? Should I believing this code in and configuring something else?

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• Facebook Feed Dialog Returns API Error Code: 191

  - by Kris

  In my Facebook App I'll always get the following error : An error occurred. Please try again later. API Error Code: 191 API Error Description: The specified URL is not owned by the application Error Message: redirect_uri is not owned by the application. I just want to feed a post via button my code is function postToFeed() { // calling the API ... var obj = { method: 'feed', link: 'https://mydomain.com/', picture: 'https://mydomain.com/img/feed.png', name: 'BLABLADialog', caption: 'UeberschriftBLABLA', description: 'DescriptionBLABLA', show_error: true }; function callback(response) { document.getElementById('msg').innerHTML = "Post ID: " + response['post_id']; } FB.ui(obj, callback); } my Canvas-URL is "http://mydomain.com/" my Secure Canvas-URL is "https://mydomain.com/" my Tab-URL is "https://mydomain.com/tab.php" my Secure Tab-URL is "https://mydomain.com/tab.php" my Website with Facebook Login SITE URL is "https://mydomain.com/" so what I am doing wrong ?

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• Approaches for Error Code/Message Management in .NET

  - by WayneC

  Looking for suggestions/best practices on managing error codes and messages in a multi-tiered applications. Specifically things like: Where should error codes be defined? Enum? Class? How are error messages or further details associated with the error codes? resource files? attributes on enum values, etc.? If you have a multi-tier application consisting of DAL, BLL, UI, and Common projects for example, should there be a single giant list of codes for all tiers, or are the codes extensible by project/tier? Update: Important to mention that I can't rely solely on Exceptions and custom Exception types for error reporting, as some clients for this application will be via web services (SOAP & REST) Any suggestions welcome!

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• Microsoft Office Access error

  - by CREFLY

  Hi All While I am running on MS Access myapplication.mdb, I am always getting this error "Microsoft Office Access Has encountered a problem and needs to close. We are sorry for the inconvenience, send error to report , don't send...". I tried to create a new application.mdb then to import the database, the form and the modules but I couldn't because I'm getting the same error while I'm importing most of the modules. P.S.: I'm trying to import the modules one by one but for the majority of the modules I encounter this error. I tried to open an old version of myapplication.mdb then to import the updated modules but just when I selected the damaged application to import the updated module I got this famous error directly... Any help will be highly appreciated...

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• VBA form_error vs on error

  - by dmr

  I am trying to set up error handling for a MS-Access application. The standard method to do this seems to be with an On Error statement in each subroutine/function. It seems simpler to me to use the Form_Error function to catch all the runtime errors in that form as opposed to an On Error statement for each sub/function called by an event on that form. (Obviously, for code in modules, there is no Form_Error function and therefore the only method is the On Error statement) What are the pros and cons of using On Error vs Form_Error?

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• error reporting issues

  - by SunnyOne

  I'm still entangled in error handling problems. After having read and tried lots of different scripts, I still do not have an overall insight on the problem. I made a syntax error on purpose and get the following error message : Parse error: syntax error, unexpected '{' in /home/directory/public_html/mypage.php on line 10 To understand how it work, as a first step, I'd like to remove this message(which I'am able to do) and replace it by a custom one. How can I customize this message ? Thanks a lot.

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• Error handling with Python + Pylons

  - by ensnare

  What is the proper way to handle errors with Python + Pylons? Say a user sets a password via a form that, when passed to a model class via the controller, throws an error because it's too short. How should that error be handled so that an error message gets displayed on the web page rather than the entire script terminating to an error page? Should there be any error handling in the controller itself? I hope I am explaining myself clearly. Thank you.

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• How to fix Emacs client *ERROR*: Arithmetic error

  - by nocash

  GNU Emacs 23.1.1 I've noticed that if I run Emacs and M-x server-start, I can use the emacsclient program as usual, but if if I start Emacs using emacs --daemon and then try to use emacsclient the new frame locks up and the shell outputs *ERROR*: Arithmetic error. This issue doesn't happen if I use the -t flag to force terminal mode when running emacsclient. Has anyone run into this before? Anyone know what's going on and/or how to fix it?

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• mysql configuration problem Error ERROR 2002 (HY000): Can't connect to local MySQL server through so

  - by manugupt1

  I recently installed OpenSuse11.1 and tried configuring mysql with it however after installation I was not even able to start it off I got the following error ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) As suggested in one of the forums I enabled the skip-networking option in /etc/my.cnf which did not help I also tried binding it to the address using bind-address = 127.0.0.1 in the same /etc/my.cnf Please help me what to do......

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• pg_dump: Error message from server: ERROR: missing chunk number 0 for toast value 43712886 in pg_to

  - by Kirill Novozhilov

  After $ pg_dumpall -U postgres -f /tmp/pgall.sql I see following: pg_dump: SQL command failed pg_dump: Error message from server: ERROR: missing chunk number 0 for toast value 43712886 in pg_toast_16418 pg_dump: The command was: COPY public.page_parts (id, name, filter_id, content, page_id) TO stdout; pg_dumpall: pg_dump failed on database "radiant", exiting I haven't earlier backups. How can I fix it? Thanks in advance.

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• X Error of failed request: BadMatch (invalid parameter attributes) ffmpeg error

  - by Evan Carroll

  I'm getting the following error message in ffmpeg: X Error of failed request: BadMatch (invalid parameter attributes) Major opcode of failed request: 140 (MIT-SHM) Minor opcode of failed request: 4 (X_ShmGetImage) Serial number of failed request: 11 Current serial number in output stream: 11 I turns up when I run the bash function mentioned in a forum post about streaming in Linux. What does it mean and how can I fix it?

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• filezilla Command: MLSD Response: 500 Error: Failed to retrieve directory listing

  - by solomongaby

  Hello, Recently our network was moved to the corporate network and behind the company firewall. Since the i could not access the FTP Servers using Filezilla. I can connect to them but cannot receive the directory listing. Command: MLSD Response: 500 Error: Failed to retrieve directory listing I can access the server using other softwares ( GnomeCommander ) but i would like to use Filezilla for its advanced features. I tried active and pasive mode but that doesnt work. I trace the problem to the MSLD command. I think if i could make filezilla use LIST command it will work. Any ideeas. Thanks.

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• What's the significance of this Google Apps error code '0x8004010B' ?

  - by Freddy

  There seems to be a lack of good information around this particular Google Apps error code. Has anyone found common environmental information that causes this error? Any kind of solution? Uninstalling/re-installing Google Sync doesn't seem to do anything, I've run Outlook's executable that scans/fixes the PST file etc. Task 'Google Apps - ::user email address:: - Sending' reported error (0x8004010B) : 'Unknown Error 0x8004010B' I found a listing of error codes for the Gdata API but nothing for these types of 'unknown' error codes. Does Google have available a list of common 'unknown' error codes/messages? Thanks in advance.

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• Generic HTTP 500 Error Message On Hosted Sites (like GoDaddy)

  - by Jimbo

  I decided to post this because I battled to find out how to do it and couldnt see anything on Stackoverflow about it. Often when you host with a provider like GoDaddy, they have "Custom Error Messages" set to ON. What I didnt realise was that the web.config settings dont just apply to ASP.NET, they apply to all applications on YOUR IIS site and hence will sort this problem out for Classic ASP as well (very few GoDaddy support people even know this) All you need to do is add the following to your web.config OR, for those using Classic ASP, just create a web.config file in your ROOT with this code in it. <configuration> <system.webServer> <asp scriptErrorSentToBrowser="true"/> <httpErrors errorMode="Detailed"/> </system.webServer> </configuration>

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