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  • SQL SERVER – Fix: Error : 402 The data types ntext and varchar are incompatible in the equal to operator

    - by pinaldave
    Some errors are very simple to understand but the solution of the same is not easy to figure out. Here is one of the similar errors where it clearly suggests where the problem is but does not tell what is the solution. Additionally, there are multiple solutions so developers often get confused with which one is correct and which one is not correct. Let us first recreate scenario and understand where the problem is. Let us run following USE Tempdb GO CREATE TABLE TestTable (ID INT, MyText NTEXT) GO SELECT ID, MyText FROM TestTable WHERE MyText = 'AnyText' GO DROP TABLE TestTable GO When you run above script it will give you following error. Msg 402, Level 16, State 1, Line 1 The data types ntext and varchar are incompatible in the equal to operator. One of the questions I often receive is that voucher is for sure compatible to equal to operator, then why does this error show up. Well, the answer is much simpler I think we have not understood the error message properly. Please see the image below. The next and varchar are not compatible when compared with each other using equal sign. Now let us change the data type on the right side of the string to nvarchar from varchar. To do that we will put N’ before the string. USE Tempdb GO CREATE TABLE TestTable (ID INT, MyText NTEXT) GO SELECT ID, MyText FROM TestTable WHERE MyText = N'AnyText' GO DROP TABLE TestTable GO When you run above script it will give following error. Msg 402, Level 16, State 1, Line 1 The data types ntext and nvarchar are incompatible in the equal to operator. You can see that error message also suggests that now we are comparing next to nvarchar. Now as we have understood the error properly, let us see various solutions to the above problem. Solution 1: Convert the data types to match with each other using CONVERT function. Change the datatype of the MyText to nvarchar. SELECT ID, MyText FROM TestTable WHERE CONVERT(NVARCHAR(MAX), MyText) = N'AnyText' GO Solution 2: Convert the data type of columns from NTEXT to NVARCHAR(MAX) (TEXT to VARCHAR(MAX) ALTER TABLE TestTable ALTER COLUMN MyText NVARCHAR(MAX) GO Now you can run the original query again and it will work fine. Solution 3: Using LIKE command instead of Equal to command. SELECT ID, MyText FROM TestTable WHERE MyText LIKE 'AnyText' GO Well, any of the three of the solutions will work. Here is my suggestion if you can change the column data type from ntext or text to nvarchar or varchar, you should follow that path as text and ntext datatypes are marked as deprecated. All developers any way to change the deprecated data types in future, it will be a good idea to change them right early. If due to any reason you can not convert the original column use Solution 1 for temporary fix. Solution 3 is the not the best solution and use it as a last option. Did I miss any other method? If yes, please let me know and I will add the solution to original blog post with due credit. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Error Messages, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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  • Why are exceptions considered better than explicit error testing?

    - by Richard Keller
    I often come across heated blog posts where the author uses the argument of "exceptions vs explicit error checking" to advocate their preferred language over some other language. The general consensus seems to be that languages which make use of exceptions are inherently better / cleaner than languages which rely heavily on error checking through explicit function calls. Is the use of exceptions considered better programming practice than explicit error checking, and if so, why?

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  • Why am I getting messages from cloudfront in my error log?

    - by JK01
    I frequently have messages like this in my websites error log: "Script error.". URL: https://e3m4drct5m1ays.cloudfront.net/items/loaders /loader_21.js?pid=21&systemid=13504281c5a501837196c23300f84e66&aoi=1327214632& zoneid=16620&cid=HK&rid=Hong%20Kong%20(general)&ccid=Kowloon&dma=0. Line number: 0 Error name: Stack: Now I don't actually know what cloudfront is or what it does. And I do not refer to this script in my site. So why would I be getting js error logged as if it was a script being run on my own site? This is using elmah logging.

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  • MSDeploy: error using runCommand provider to call remote .cmd file (timeout)

    - by mjw.
    We are running into an error when trying to use the MSDeploy "runCommand" provider to execute a .cmd file on a remote machine. The expected run time should be about 10 seconds, but MSDeploy only runs it for about 2-3 seconds, after which time error details are returned. Here is the complete MSDeploy "runCommand" command line text I am using: msdeploy.exe -verb:sync -source:runCommand="D:\web deploy tester\test_cmd.cmd",dontUseCommandExe=false,waitAttempts=5,waitInterval=1000 -dest:auto,computername=http://test-machine:89/MsDeployAgentService/,userName=aaa,password=bbb Here are the error details returned: Error 'Error: (4/21/2010 12:19:25 PM) An error occurred when the request was processed on the remote computer. Error: The process 'C:\WINDOWS\system32\cmd.exe' (command line '/c "D:\web deploy tester\test_cmd.cmd"') was terminated because it exceeded the wait time. Error count: 1. ' occurred in call to RunCommand Any ideas as to why this is happening and how to resolve it?

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  • hyperv vss writer unexpected error

    - by Eric Martin
    I am using Mozy Pro to backup our Hyperv servers. I am doing this without any issues on a 2nd server but this box hasn't backed up sucessfully yet. I was told by the support tech at Mozy to type: vssadmin list providers >c:\providers.txt vssadmin list writers >c:\writers.txt Writers.txt: vssadmin 1.1 - Volume Shadow Copy Service administrative command-line tool (C) Copyright 2001-2013 Microsoft Corp. Writer name: 'Task Scheduler Writer' Writer Id: {d61d61c8-d73a-4eee-8cdd-f6f9786b7124} Writer Instance Id: {1bddd48e-5052-49db-9b07-b96f96727e6b} State: [1] Stable Last error: No error Writer name: 'VSS Metadata Store Writer' Writer Id: {75dfb225-e2e4-4d39-9ac9-ffaff65ddf06} Writer Instance Id: {088e7a7d-09a8-4cc6-a609-ad90e75ddc93} State: [1] Stable Last error: No error Writer name: 'Performance Counters Writer' Writer Id: {0bada1de-01a9-4625-8278-69e735f39dd2} Writer Instance Id: {f0086dda-9efc-47c5-8eb6-a944c3d09381} State: [1] Stable Last error: No error Writer name: 'System Writer' Writer Id: {e8132975-6f93-4464-a53e-1050253ae220} Writer Instance Id: {506e7d9c-ded3-4edf-824a-4dd9af7f7538} State: [1] Stable Last error: No error Writer name: 'ASR Writer' Writer Id: {be000cbe-11fe-4426-9c58-531aa6355fc4} Writer Instance Id: {1de438e4-09de-487c-9ea8-eeafbe3fd210} State: [1] Stable Last error: No error Writer name: 'COM+ REGDB Writer' Writer Id: {542da469-d3e1-473c-9f4f-7847f01fc64f} Writer Instance Id: {511d23d9-4cbb-400f-b739-e6e0a8ecdbee} State: [1] Stable Last error: No error Writer name: 'Microsoft Hyper-V VSS Writer' Writer Id: {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de} Writer Instance Id: {32f41185-2b20-41ff-a7aa-92c262f578cd} State: [1] Stable Last error: Unexpected error Writer name: 'Registry Writer' Writer Id: {afbab4a2-367d-4d15-a586-71dbb18f8485} Writer Instance Id: {fa328ece-623f-43cc-9888-e897e108c40e} State: [1] Stable Last error: No error Writer name: 'Shadow Copy Optimization Writer' Writer Id: {4dc3bdd4-ab48-4d07-adb0-3bee2926fd7f} Writer Instance Id: {7b582861-7f7f-4c10-adb1-5106bcab3902} State: [1] Stable Last error: No error Writer name: 'WMI Writer' Writer Id: {a6ad56c2-b509-4e6c-bb19-49d8f43532f0} Writer Instance Id: {d2f73a0f-c19a-44cc-bcd2-6c84ac6e516b} State: [1] Stable Last error: No error Writer name: 'MSMQ Writer (MSMQ)' Writer Id: {7e47b561-971a-46e6-96b9-696eeaa53b2a} Writer Instance Id: {95ea6efc-c00c-47ca-90d1-28fbe6d7a8d0} State: [1] Stable Last error: No error Writer name: 'IIS Config Writer' Writer Id: {2a40fd15-dfca-4aa8-a654-1f8c654603f6} Writer Instance Id: {d5a32f43-0675-400d-8502-cdece4c867e1} State: [1] Stable Last error: No error Providers.txt: vssadmin 1.1 - Volume Shadow Copy Service administrative command-line tool (C) Copyright 2001-2013 Microsoft Corp. Provider name: 'Microsoft File Share Shadow Copy provider' Provider type: Fileshare Provider Id: {89300202-3cec-4981-9171-19f59559e0f2} Version: 1.0.0.1 Provider name: 'Microsoft Software Shadow Copy provider 1.0' Provider type: System Provider Id: {b5946137-7b9f-4925-af80-51abd60b20d5} Version: 1.0.0.7 The tech said I needed to resolve this issue: Writer name: 'Microsoft Hyper-V VSS Writer' Writer Id: {66841cd4-6ded-4f4b-8f17-fd23f8ddc3de} Writer Instance Id: {32f41185-2b20-41ff-a7aa-92c262f578cd} State: [1] Stable Last error: Unexpected error I checked the event viewer and this is the only thing I found related to hyperv: I don't know where to start to resolve this or to find out where the issue is at. I know nothing of the vss writer for hyperv so any input would be greatly appreciated.

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  • Windows Server 2008 Send Error Message on Event Log Error

    - by erich
    We currently have a Windows Server 2008 machine that we have configured with a Custom Task to send an email whenever an error occurs in a certain Event Log. The trigger works perfectly, and sends emails whenever we need them to. HOWEVER, we cannot find a way to get the email to contain information about the error, particularly the error message. Is there any way to have the message change based on the contents of the event-log error?

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  • Izpack: Creating custom panels

    - by bguiz
    Hi, I am trying to create a custom panel for an IzPack installer. This means that I have to extend IzPanel. However, it appears that if I do this, the extended panel needs to be in the com.izforge.izpack.panels package. Then I found this post, which stipulates that: As such, you must include installer.jar from the lib folder of IzPack in the build path of your custom panel project. Your custom panel /must/ extend com.izforge.izpack.installer.IzPanel. Furthermore, it /must/ reside in the com.izforge.izpack.panels package. On top of it all, your build jar's name /must/ be the same as the unqualified name of your custom panel class. I take issue with the 1st and 4th points. They imply that I have to create an additional JAR file for each custom IzPanel that I create. Also, I would have to modify the IzPack installation by adding these JARs to one of its subdirectories. Is this article outdated (2008) and can it be safely ignored, or is this still true? If not how can I avoid this and simply have the extended IzPanel on the classpath instead? Thank you!

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  • Wordpress Not Publishing Posts To Custom Template

    - by thatryan
    I am building a theme that has a lot of custom templates, like every page. Ridiculous, but for some reason the template I made for the "postings" page is not getting the posts? I have set the post page in reading preferences, and I have set the page to use my template, but it still publishes posts to a default template. Of all the customization I built into this I did not expect the blog part to give me trouble! lol Anyone run into this kind of thing? Thank you.

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  • PHP MYSQLI query error?

    - by Chris Leah
    Hey This is my login script, using PHP5 and MYSQLi, I just had help spotting errors in my query, but still it will not let me login, even though the username and password are correct and in the database, it just keeps returning the error: your username and password do not match any in our db. But I know they do lol...could any body spot the problem? //Check if the form has been submitted if (isset($_POST['login'])) { //Check if username and password are empty if ($_POST['username']!='' && $_POST['password']!='') { //Create query to check username and password to database $validate_user = $mysqli->query('SELECT id, username, password, active FROM users WHERE = username = "'.$mysqli->real_escape_string($_POST['username']).'" AND password = "'.$mysqli->real_escape_string(md5($_POST['password'])).'"'); //We check if the query returns true if ($validate_user->num_rows == 1) { $row = $validate_user->fetch_assoc(); //Check if the user has activated there account if ($row['activated'] == 1) { $_SESSION['id'] = $row['id']; $_SESSION['logged_in'] = true; Header('Location: ../main/index.php'); } //Show this error if activation returns as 0 else { $error = '<p class="error">Please activate your account.</p>'; } } //Show this error if the details matched any in the db else { $error = '<p class="error">Your username and password are not in our database!</p>'; } } //Show this error if the username and password field have not been entered else { $error = '<p class="error">Please enter your username and password.</p>'; } }

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  • How to handle ASP.NET application error that occurs on application start and transfer & display erro

    - by Soul_Master
    I know that ASP.NET MVC has error filter attribute to handle specified error type. However, this feature cannot catch any error that occurs when application start. Therefore, I need to add some code to “Application_Error” method for handling this error like the following code. public void Application_Error(object sender, EventArgs e) { // At this point we have information about the error var ctx = HttpContext.Current; var exception = ctx.Server.GetLastError(); var errorInfo = "<br>Offending URL: " + ctx.Request.Url + "<br>Source: " + exception.Source + "<br>Message: " + exception.Message + "<br>Stack trace: " + exception.StackTrace; ctx.Response.Write(errorInfo); Server.ClearError(); } Although, this code will works fine, when normal application error occurs like error that occurs in view page. Nevertheless, it does not work when error occurs on application starting because request and response objects are always null. Next, I try to solve this question by setting default redirect in custom errors like the following code. <customErrors mode="On" defaultRedirect="Scripts/ApplicationError.htm"></customErrors> Unfortunately, it does not work because when application receive redirected request, it try to start application again and it throw exception again. How do to solve this problem? Alternatively, Do you have other idea for handling this error. Thanks, PS. The main reason for creating this handler because I want to display error when application cannot connect to other service like database for caching data on application start.

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  • Centralized error handling in VB6.

    - by AngryHacker
    I have the following method that all the error handlers call: Public Function ToError(strClass As String, strMethod As String) As String On Error GoTo errHandle ToError = "Err " & Err.Number & _ ", Src: " & Err.Source & _ ", Dsc: " & Err.Description & _ ", Project: " & App.Title & _ ", Class: " & strClass & _ ", Method: " & strMethod & _ ", Line: " & Erl Err.Clear exitPoint: Exit Function errHandle: oLog.AddToLog "Error in ToError Method: " & Err.Description, False Resume exitPoint End Function It turns out that because I declare an error handler in this function On Error GoTo errHandle, VB6 clears the error before I am able to record it. Is there a way to prevent the 'On Error GoTo errHandle' statement from clearing the error?

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  • Window Installer custom action BEFORE any validation

    - by Marc
    I wrote a Windows Installer custom action based on the tutorial found here: http://www.codeproject.com/kb/install/msicustomaction.aspx My custom action is killing a background process of a given name which could still be opened by the user. The reason is that I don't want users to see the warning that a given EXE is running and must be closed so that setup can continue. This works fine when the MSI passes through the UI sequence as the action is created in "InstallUISequence" table like in the tutorial. However, when the MSI is used silently (right-click and select repair or uninstall), then my custom action isn't executed of course. Where do I have to put my custom action so that it is executed immediately also when run silently? I tried adding it to "InstallExecuteSequence", but the 'app running' warning is still shown. I then tried lowering the sequence number of my custom action to 5, but this also didn't help. Note: I'm using Orca to modify an MSI generated from a Visual Studio setup project. I'm then using the transform file to apply it.

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  • Windows Installer custom action BEFORE any validation

    - by Marc
    I wrote a Windows Installer custom action based on the tutorial found here: http://www.codeproject.com/kb/install/msicustomaction.aspx My custom action is killing a background process of a given name which could still be opened by the user. The reason is that I don't want users to see the warning that a given EXE is running and must be closed so that setup can continue. This works fine when the MSI passes through the UI sequence as the action is created in "InstallUISequence" table like in the tutorial. However, when the MSI is used silently (right-click and select repair or uninstall), then my custom action isn't executed of course. Where do I have to put my custom action so that it is executed immediately also when run silently? I tried adding it to "InstallExecuteSequence", but the 'app running' warning is still shown. I then tried lowering the sequence number of my custom action to 5, but this also didn't help. Note: I'm using Orca to modify an MSI generated from a Visual Studio setup project. I'm then using the transform file to apply it.

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  • When is it appropriate to use error codes?

    - by Jim Hurne
    In languages that support exception objects (Java, C#), when is it appropriate to use error codes? Is the use of error codes ever appropriate in typical enterprise applications? Many well-known software systems employ error codes (and a corresponding error code reference). Some examples include operating systems (Windows), databases (Oracle, DB2), and middle-ware products (WebLogic, WebSphere). What benefits do error codes provide? What are the disadvantages to using error codes?

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  • Email an image via custom url scheme

    - by Amaresh
    I am using custom url schemes. I can send string messages as parameters to my custom url and emailing this to any person. When any person opens this email attachment in device in it open my app installed in device with the passed parameters in my custom url. Similarly how to email an image via custom url and when any person opens this attachment the image is passed to my app in device. I tried to encode the image in base64 format and tried to append to my url,but not working. Any ideas?? Thanks in advance

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  • SQL Server catch error from extended stored procedure

    - by haxelit
    Hello I have an extended stored procedure that sends an error message. srv_sendmsg(pSrvProc, SRV_MSG_ERROR, errorNum, SRV_FATAL_SERVER, 1, NULL, 0, (DBUSMALLINT) __LINE__, buff, SRV_NULLTERM); I've set the severity to SVR_FATAL_SERVER just as a test to see if I can cause the message to throw an exception in the sql. In my SQL i'm doing: BEGIN TRY EXEC dbo.xp_somethingCool SET @Error = @@ERROR END TRY BEGIN CATCH PRINT 'AN Error occoured!' SELECT ERROR_NUMBER() AS ErrorNumber ,ERROR_MESSAGE() AS ErrorMessage; END CATCH I would think that when my xp sends the error message the tsql would catch the error and select the error_number and error_message. Instead what ends up happening is that the xp sends the message and the T-SQL continues on its way like nothing happened. The @@Error variable doesn't get set either. So I was wondering if there was any trick to getting SQL to catch an error from an XP ? Thanks, Raul

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  • RSolr::Error::Http (RSolr::Error::Http - 404 Not Found) heruku

    - by Sapna
    I'm working on web solar in my rails application,my Application user WEBSolr for searching. My local everything working fine but when I deploy my code to heruko, my application get stopped , and its giving me error of RSolr::Error::Http (RSolr::Error::Http - 404 Not Found) also below are the actual error that I find in Heroku log, Any help is appreciate . HTTP Status 404 - /solr/b36591faf4e_m0/selecttype Status reportmessage /solr/b36591faf4e_m0/selectdescription The requested resource (/solr/b36591faf4e_m0/select) is not available.Apache Tomcat/6.0.28

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  • WPF Custom Control with Image problem

    - by user311883
    Hi all, I am quite new to WPF/XAML and I am currently facing a problem. I have a solution with two projects in it, the first project is a Custom Control Library with a custom Window form control inside. The second project is a WPF application using my custom window form. All work fine except for the form Icon. In the WPF application project I set my window icon property to "/ProjectTwoNameSpace;component/Resources/Images/Film.ico", and in the WPF custom control I try to show that image that way : <Image Grid.Column="0" Margin="3" Width="27" Height="27"> <Image.Source> <BitmapImage UriSource="{Binding Path=Icon}" /> </Image.Source> </Image> But it doesn't work, I get a error at runtime saying that the property UriSource or StreamSource must be set for my tag. Anyone can help me ? I think it's jsut a WPF newbie problem ^^

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  • Get all custom fields that belong to a certain box in Wordpress

    - by user252160
    How can I get all custom fields that belong to a certain box only. For example, I am using the "more fields" plugin which allows me to create boxes of custom fields for instance a box called "hotel features" with different custom fields as the particular features. Teh point is that when I extract meta data in the template, there is no way, known to me, how to get only the fields that belong to the "hotel features box", say. Please, help with suggestions

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  • flex custom events bubbling

    - by Rajeshbabu TRC
    Dear Richard Szalay, i go through your answers regarding bubbling, i want explore bubbling more. Please see my sample below <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" xmlns:view="com.view.*" > } ]] In my custom event class i set bubbling=true, cancelable=true I can understand from previous answer that bubbling only affects UI components; events fired from custom classes will not bubble, even if the bubbles argument is set to true. My question is how can i prevent panelClickHandler function got fired when i click button in the "Load" (custom component)?? pleas explain bubbling with good example ( like to have with custom event classes)?

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  • Wordpress show next 3 x number adjacent custom posts from existing

    - by user2463284
    On a single/detail Custom Post Page I would like to display a custom nav of li's or divs in a sidebar that displays both title, excerpt and permalink for the next 3 posts within the custom post series. So if we are on custom post 3 then it would show 4, 5, 6 in the sidebar. The closest I've found to this is :-= global $post; $current_post = $post; // remember the current post for($i = 1; $i <= 3; $i++){ $post = get_previous_post(); // this uses $post->ID setup_postdata($post); // do your stuff here the_title(); } $post = $current_post; // restore Problem is this only shows the first next post and I need to show 3. Thanks Glennyboy

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  • NetBeans create and instantiate programatically custom swing widgets

    - by RenegadeAndy
    Hey! I have a problem I know how I would solve easily developing under eclipse - but not so easily developing under net beans. I want to create a custom swing widget - which I can instantiate by code as many as I need and attach them to my main panel. I have developed the rest of the GUI using the GUIBuilder. The problem is - im not entirely sure how to do this. Say I got 20 results back from a web service, I would wana loop round - and add 20 of these custom swing widgets - the custom swing widgets would look as follows : :Picture: :Label: :Label: Can anybody please help me, im not entirely sure how to do the custom widget either! Thanks in advance for any support. Andy

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