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• How to convert a JSON string to a Map<String, String> with Jackson JSON

  - by Infinity

  This is my first time trying to do something useful with Java.. I'm trying to do something like this but it doesn't work: Map<String, String> propertyMap = new HashMap<String, String>(); propertyMap = JacksonUtils.fromJSON(properties, Map.class); But the IDE says: 'Unchecked assignment Map to Map<String,String>' What's the right way to do this? I'm only using Jackson because that's what is already available in the project, is there a native Java way of converting to/from JSON? In PHP I would simply json_decode($str) and I'd get back an array. I need basically the same thing here. Thanks!

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• Lighting Fast CMS, a Django based CMS. Any experiences?

  - by Melmacian

  I've just came across Lighting Fast CMS, which seems to be very promising Django based content management system. Documentation seem to be very good, even though it is still in beta stage. It also has very nice buildout based installation. Also core Components of it seem to be nicely decoupled. Does anyone have any experiences with it yet? How much one can customize it with extensions? How's extension development in general compared to Drupal or Plone? I'm hoping that I could do some projects with it instead of Plone or Drupal. Those both are great, but extending them ain't too nice. The project can be found here: http://www.lfcproject.com/

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• Is Visual Studio 2010 WebDev WebServer (Cassini) 64-bit compatible?

  - by David

  I'm now developing on Visual Studio 2008 on a 64-bit OS (Windows Server 2008 64-bit). While the apps I write are 64-bit capable, as is IIS7, the built-in ASP.NET Development Server (aka Cassini aka WebDev.Webserver.exe) runs as 32-bit. This brings up a plethora of issues, such as: 32-bit and 64-bit applications have separate HKLM\Software registry homes There are 32-bit and 64-bit versions of the SQL Server Client Network Utility Other fun surprises I haven't discovered but I'm sure will spring up While I am finding workarounds for most of this, I have to ask... Does anyone who has played with the Visual Studio 2010 preview bits on 64-bit architecture know if the development web servers can handle 64-bit, and if so, are there options for which mode to run it in? (Like a checkbox in the project properties, for instance)

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• Client side caching in GWT

  - by Silfverstrom

  We have a gwt-client, which recieves quite a lot of data from our servers. Logically, i want to cache the data on the client side, sparing the server from unnecessary requests. As of today i have let it up to my models to handle the caching of data, which doesn't scale very well. It's also become a problem since different developers in our team develop their own "caching" functionality, which floods the project with duplications. I'm thinking about how one could implement a "single point of entry", that handles all the caching, leaving the models clueless about how the caching is handled. Does anyone have any experience with client side caching in GWT? Is there a standard approach that can be implemented?

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• PostgreSQL / Ruby for commercial application

  - by RPK

  I am planning a web-based commercial application with front-end RoR and back-end PostgreSQL. I've some confusion about RoR and PostgreSQL Edition to use. For RoR, I have Aptana RADRails installed. For PostgreSQL, a free variant is also available at EnterpriseDB. Previously I installed a free EnterpriseDB PostgreSQL variant and it was very smooth and had professional touch. It was quite different from the one available from PostgreSQL website. I want to know which IDE and RoR variant to use for my project. I have no idea of Ruby and Rails. I will be learning and developing simultaneously. Also, which PostgreSQL variant to use? Can these two technologies be used for a developing a commercial application?

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• web2py or grok (zope) on a big portal,

  - by Robert

  Hi, I am planning to make some big project (1 000 000 users, approximately 500 request pre second - in hot time). For performance I'm going to use no relational dbms (each request could cost lot of instructions in relational dbms like mysql) - so i can't use DAL. My question is: how web2py is working with a big traffic, is it work concurrently? I'm consider to use web2py or Gork - Zope, How is working zodb(Z Object Database) with a lot of data? Is there some comparison with object-relational postgresql? Could you advice me please.

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• SQL's Rownumber with Linq-to-entities

  - by mariki

  I am converting my project to use EF and also want to covert stored procedures into Linq-to-entities queries. This my SQL query (simple version) that I have trouble to convert: SELECT CategoryID, Title as CategoryTitle,Description, LastProductTitle,LastProductAddedDate FROM ( SELECT C.CategoryID, C.Title,C.Description, C.Section, P.Title as LastProductTitle, P.AddedDate as LastProductAddedDate, ROW_NUMBER() OVER (PARTITION BY P.CategoryID ORDER BY P.AddedDate DESC) AS Num FROM Categories C LEFT JOIN Products P ON P.CategoryID = C.CategoryID ) OuterSelect WHERE OuterSelect.Num = 1 In words: I want to return all Categories (from Categories table) and title and date of addition of the product (from Products table) that was added last to this category. How can I achieve this using Entity frame work query? In most efficient way.

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• POCO Best Practice

  - by Paul Johnson

  All, I have a series of domain objects (project is NHibernate based). Currently as per 'good practice' they define only the business objects, comprising properties and methods specific to each objects function within the domain. However one of the objects has a requirement to send an SMTP message. I have a simple SMTP client class defined in a separate 'Utilities' assembly. In order to use this mail client from within the POCO, I would need to hold a reference to the utilities assembly in the domain. My query is this... Is it a departure from best practice to hold such a reference in a POCO, for the purpose of gaining necessary business functionality. Kind Regards Paul J.

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• .net web service: Can't add service reference, only web reference

  - by ScottE

  I have an existing project that consumes web services. One was added as a service reference, and the other as a web reference. I don't recall why one was added as a web reference, but perhaps it's because I couldn't get it to work! The existing service reference for the one web service works fine, so it's not a .net version issue. I can successfully create a service reference for the second web service, but none of the methods are available. The .wsdl shows the schema, but the Reference.vb shows only the Namespace, and none of the methods. To clarify, these are two different 3rd party web service providers. We'd like to move to the service reference so we have more control over the configuration as we're having various issues with timeouts. Anyone come across this before? Edit Does it matter that there are two services at the address?

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• IM (Instant Messaging) increase or decrease developer's productivity?

  - by GRGodoi

  In my team I have some developers that always have two or three IM windows open. The majority of these windows are not related with the project where they are nor with asking or offering programming help. I also use IM and, off course, some of my "talks" are not related with the job. But I feel that when I am using IM my productivity drops. I mean, there is more "mental" work to change the scope between the task I am doing and the conversation every time a new message arrive. Do you face the same situation? Is there some good practices to avoid this (excluding, off course, stopping using IM)?

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• Response.Redirect with a fragment identifier causes unexpected refresh when later using location.has

  - by Matt

  Hi All, I was hoping someone can assist in describing a workaround solution to the following issue I am running into on my ASP.NET website on IE. In the following I will describe the bug and clarify the requirements of the needed solution. Repro Steps: User visits A.aspx A.aspx uses Response.Redirect to bring the user to B.aspx#house On B.aspx#house, the user clicks a button that sets window.location.hash='test' Actual Results: B.aspx is loaded again. The URL now shows B.aspx#test Expected Results: No reload. The URL will just change to B.aspx#test Requirements: Page A must redirect to page B with a fragment identifier in the url Any user action on page B will set the location.hash Setting location.hash must not make page B refresh This must work on IE Notes: Bug only repros on IE (tested on ie6|7|8). Opera, FF, Chrome, Safari all have the expected results of no reload. This error may have nothing to do with ASP.NET, and everything to do with IE For any kind soul willing to have a look at this, I have created a minimal ASP.NET web project to make it easy to repro here

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• DLL Config in Mono

  - by nubela

  Hi, I'm trying to pick up Svn.NET (http://www.pumacode.org/projects/svndotnet/) library for use in my Mono project. I tried compiling its mockapp - svnmockapp project (http://www.pumacode.org/projects/svndotnet/browser/trunk/SvnMockApp) , I am able to get the references right and get it compiled right. I understand that it references 2 other modules libapr (libapr-1.so.0) and svn_client (libsvn_client-1.so.0) , by which I've created PumaCode.SvnDotNet.dll.config in /bin/Debug . That is all I've done to tried to try to get the mockapp at least outputting something to show that it is indeed interfacing SVN. Nevertheless, it is not working. Commands that are entered that doesn't interface SVN works fine: $ mono SvnTest.exe -usage Usage: SvnTest <subcommand> [options] Short Options: ~?.V Subcommands: add, checkout[co], status[st], update[up] For help on subcommands, use the -?/--help subcommand option. Commands that tries to access SVN throws an exception: $ mono SvnTest.exe st An exception was thrown by the type initializer for PumaCode.SvnDotNet.AprSharp.Apr Unhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.NullReferenceException: Object reference not set to an instance of an object at PumaCode.SvnDotNet.SubversionSharp.SvnMockApp.CmdBase.Run (PumaCode.SvnDotNet.SubversionSharp.SvnMockApp.SubCommand sc, System.String[] args) [0x00000] at (wrapper managed-to-native) System.Reflection.MonoMethod:InternalInvoke (object,object[],System.Exception&) at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] --- End of inner exception stack trace --- at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000] at PumaCode.SvnDotNet.SubversionSharp.SvnMockApp.Application.Run (System.String[] args) [0x00000] at PumaCode.SvnDotNet.SubversionSharp.SvnMockApp.Application.Main (System.String[] args) [0x00000] Using MONO_DEBUG_LEVEL="debug", we get the following log pasted here. At the tail end of the log, we see this: . . . Mono-INFO: DllImport attempting to load: 'libapr-1'. Mono-INFO: DllImport loading location: 'libapr-1.so'. Mono-INFO: DllImport error loading library: 'libapr-1.so: cannot open shared object file: No such file or directory'. Mono-INFO: DllImport loading library: './libapr-1.so'. Mono-INFO: DllImport error loading library './libapr-1.so: cannot open shared object file: No such file or directory'. Mono-INFO: DllImport loading: 'libapr-1'. Mono-INFO: DllImport error loading library 'libapr-1: cannot open shared object file: No such file or directory'. Mono-INFO: DllImport attempting to load: 'libapr-1'. Mono-INFO: DllImport loading location: 'libapr-1.so'. Mono-INFO: DllImport error loading library: 'libapr-1.so: cannot open shared object file: No such file or directory'. Mono-INFO: DllImport loading library: './libapr-1.so'. Mono-INFO: DllImport error loading library './libapr-1.so: cannot open shared object file: No such file or directory'. Mono-INFO: DllImport loading: 'libapr-1'. Mono-INFO: DllImport error loading library 'libapr-1: cannot open shared object file: No such file or directory'. Mono-INFO: DllImport attempting to load: 'libapr-1'. Mono-INFO: DllImport loading location: 'libapr-1.so'. Mono-INFO: DllImport error loading library: 'libapr-1.so: cannot open shared object file: No such file or directory'. Mono-INFO: DllImport loading library: './libapr-1.so'. Mono-INFO: DllImport error loading library './libapr-1.so: cannot open shared object file: No such file or directory'. Mono-INFO: DllImport loading: 'libapr-1'. Mono-INFO: DllImport error loading library 'libapr-1: cannot open shared object file: No such file or directory'. An exception was thrown by the type initializer for PumaCode.SvnDotNet.AprSharp.Apr I've tried to symlink the appropriate modules in the directory where SvnTest.exe exists, but this still persist. How can I fix this? Did I place the PumaCode.SvnDotNet.dll.config in the wrong folder? (I placed it at /bin/Debug and also tried /bin) What can I do to remedy this? Thank you for your kind help! Much appreciated! Heres the config file: (PumaCode.SvnDotNet.dll.config) <configuration> <dllmap dll="libapr" target="/usr/lib/libapr-1.so.0"/> <dllmap dll="svn_client-1" target="/usr/lib/libsvn_client-1.so.0"/> </configuration>

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• Brainstorming - MIDI over LAN

  - by Hunter Bridges

  I'm planning out a summer coding project for myself. I work with a lot of MIDI and have been researching it a lot. I know it's an old technology, but it works with a lot of music hardware/software so in my eyes, it's still viable. Anyway, I haven't ever worked with writing drivers or anything, so I don't know where I would start with this. So, provided I have MIDI data already being sent over LAN to a server (I know how to do that part), what steps would it take for the server to channel those received messages to an emulated MIDI device, that could then be accessed in music software and so on? Also, what would it take to also send MIDI data back through the LAN to be received by the device that originally received the message? I'm not really looking for too specific a solution. Really I am just trying to come up with a game plan right now and I need to figure out where/what to research.

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• Wpf Login System

  - by neki

  Hi everyone. i am developing a training software in wpf. but i have problems. this application will be setup project. when the user make it work, a login window will open. User should enter his username.there wont be a password. but the problem is next; i dont know how to get userid from database. and compare other usernames to get the right userid. second problem is, when i get right userid from database, how can i use it main window? where can i store this userid. will be this session or something like that? i want this userid because, user will have notpad and questions. thanks in advance. Database(UserInformation table) userid/ username

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• How do I use Google protobuf to communicate over a serial port?

  - by rob

  I'm working on a project that uses RXTX and protobuf to communicate with an application on a development board and I've been running into issues which implies that I'm likely doing things the wrong way. Here's what I currently have for writing the request to the board (the read code is similar): public void write(CableCommandRequest request, OutputStream out) { CodedOutputStream outStream = CodedOutputStream.newInstance(out); request.writeTo(outStreatm); outStream.flush(); } The OutputStream that is used is prepared by RXTX and the development board seems to indicate that data is being received, but it is getting garbled or is otherwise not being understood. There seems to be little documentation on using protobuf over a serial connection so I'm assuming that passing the OutputStream should be sufficient. Is this in fact correct, or is this the wrong way of sending the response over the serial connection?

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• How do I share a WiX fragment in two WiX projects?

  - by Randy Eppinger

  We have a WiX fragment in a file SomeDialog.wxs that prompts the user for some information. It's referenced in another fragment in InstallerUI.wxs file that controls the dialog order. Of course, Product.wxs is our main file. Works great. Now I have a second Visual Studio 2008 Wix 3.0 Project for the .MSI of another application and it needs to ask the user for the same information. I can't seem to figure out the best way to share the file so that changing the information requested will result in both .MSIs getting the new behavior. I honestly can't tell if a merge module, an .wsi (include) or a .wixlib is the right solution. I would have hoped to find a simple example of someone doing this but I have failed thus far. Edit: Based on Rob Mensching's wixlib blog entry, a wixlib may be the answer, but I am still searching for an example of how to do this.

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• Where is PostSharp.Public 1.5 DLL ?

  - by jfneis

  Fellows, I'm going crazy with looks like a really stupid problem. I'm trying to build a simple example using PostSharp as a log AOP utility. I've not installed PostSharp, and I don't want to, I want to reference the necessaries DLLs, change my .csproj and see everything working. Change the project and add references was kind of easy, byt just after adding the LogAttribute to a method I got two errors: Error 1 'Log4PostSharp.LogAttribute' is not an attribute class C:\Dev\LogWithPostsharp\LogWithPostsharpCmd\Program.cs 17 10 LogWithPostsharpCmd Error 2 The type 'PostSharp.Extensibility.MulticastAttribute' is defined in an assembly that is not referenced. You must add a reference to assembly 'PostSharp.Public, Version=1.5.0.0, Culture=neutral, PublicKeyToken=b13fd38b8f9c99d7'. C:\Dev\LogWithPostsharp\LogWithPostsharpCmd\Program.cs 18 22 LogWithPostsharpCmd The first error really looks like consequence of the second, but here is the deal: the PostSharp.Public.* simply doesn't exist in the downloaded .zip. Is there something that I'm not getting? Thank you in advance. Filipe

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• Can I get command line arguments of other processes from .NET/C#?

  - by Jonathan Schuster

  I have a project where I have multiple instances of an app running, each of which was started with different command line arguments. I'd like to have a way to click a button from one of those instances which then shuts down all of the instances and starts them back up again with the same command line arguments. I can get the processes themselves easily enough through Process.GetProcessesByName(), but whenever I do, the StartInfo.Arguments property is always an empty string. It looks like maybe that property is only valid before starting a process. This question had some suggestions, but they're all in native code, and I'd like to do this directly from .NET. Any suggestions?

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• jQuery(document).ready doesn't run under IIS7

  - by gsiler

  To simplify this test case, I created a new default .NET MVC project in Visual Studio 2010, and added the following code to the HTML header in Site.Master: <script type="text/javascript" src="../../Scripts/jquery-1.4.1.js"></script> <script type="text/javascript"> jQuery(document).ready(function () { alert('jQuery document ready'); }); </script> This works as expected in the .NET development server. However, when deployed to IIS7, the jQuery(document).ready function is not executed. Needless to say, my actual application is much more complicated. This eliminates all "suspects" except IIS7 deployment. Any thoughts/suggestions?

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• FAT Volume and CE

  - by Kate Moss' Open Space

  Whenever we format a disk volume, it is a good idea to name the label so it will be easier to categorize. To label a volume, we can use LABEL command or UI depends on your preference. Windows CE does provide FAT driver and support various format (FAT12, FAT16,FAT32, ExFAT and TFAT - transaction-safe FAT) and many feature to let you scan and even defrag the volume but not labeling. At any time you format a volume in CE and then mount it on PC, the label is always empty! Of course, you can always label the volume on PC, even it is formatted in CE. So looks like CE does not care about the volume label at all, neither report the label to OS nor changing the label on FAT.So how can we set the volume label in CE? To Answer this question, we need to know how does FAT stores the volume label. Here are some on-line resources are handy for parsing FAT. http://en.wikipedia.org/wiki/File_Allocation_Table http://www.pjrc.com/tech/8051/ide/fat32.html http://www.microsoft.com/whdc/system/platform/firmware/fatgen.mspx You can refer to PUBLIC\COMMON\OAK\DRIVERS\FSD\FATUTIL\MAIN\bootsec.h and dosbpb.h or the above links for the fields we discuss here. The first sector of a FAT Volume (it is not necessary to be the first sector of a disk.) is a FAT boot sector and BPB (BIOS Parameter Block). And at offset 43, bgbsVolumeLabel (or bsVolumeLabel on FAT16) is for storing the volume lable, but note in the spec also indicates "FAT file system drivers should make sure that they update this field when the volume label file in the root directory has its name changed or created.". So we can't just simply update the bgbsVolumeLabel but also need to create a volume lable file in root directory. The volume lable file is not a real file but just a file entry in root directory with zero file lenth and a very special file attribute, ATTR_VOLUME_ID. (defined in public\common\oak\drivers\fsd\fatutil\MAIN\fatutilp.h) Locating and accessing bootsector is quite straight forward, as long as we know the starting sector of a FAT volume, that's it. But where is the root directory? The layout of a typical FAT is like this Boot sector (Volume ID in the figure) followed by Reserved Sectors (1 on FAT12/16 and 32 on FAT32), then FAT chain table(s) (can be 1 or 2), after that is the root directory (FAT12/16 and not shows in the figure) then begining of the File and Directories. In FAT12/16, the root directory is placed right after FAT so it is not hard to caculate the offset in the volume. But in FAT32, this rule is no longer true: the first cluster of the root directory is determined by BGBPB_RootDirStrtClus (or offset 44 in boot sector). Although this field is usually 0x00000002 (it is how CE initial the root directory after formating a volume. Note we should never assume it is always true) which means the first cluster contains data but not like the root directory is contiguous in FAT12/16, it is just like a regular file can be fragmented. So we need to access the root directory (of FAT32) hopping one cluster to another by traversing FAT table. Let's trace the code now. Although the source of FAT driver is not available in CE Shared Source program, but the formatter, Fatutil.dll, is available in public\common\oak\drivers\fsd\fatutil\MAIN\formatdisk.cpp. Be aware the public code only provides formatter for FAT12/16/32 for ExFAT it is still not available. FormatVolumeInternal is the main worker function. With the knowledge here, you should be able the trace the code easily. But I would like to discuss the following code pieces     dwReservedSectors = (fo.dwFatVersion == 32) ? 32 : 1;     dwRootEntries = (fo.dwFatVersion == 32) ? 0 : fo.dwRootEntries; Note the dwReservedSectors is 32 in FAT32 and 1 in FAT12/16. Root Entries is another different mentioned in previous paragraph, 0 for FAT32 (dynamic allocated) and fixed size (usually 512, defined in DEFAULT_ROOT_ENTRIES in public\common\sdk\inc\fatutil.h) And then here   memset(pBootSec->bsVolumeLabel, 0x20, sizeof(pBootSec->bsVolumeLabel)); It sets the Volume Label as empty string. Now let's carry on to the next section - write the root directory.     if (fo.dwFatVersion == 32) {         if (!(fo.dwFlags & FATUTIL_FORMAT_TFAT)) {             dwRootSectors = dwSectorsPerCluster;         }         else {             DIRENTRY    dirEntry;             DWORD       offset;             int               iVolumeNo;             memset(pbBlock, 0, pdi->di_bytes_per_sect);             memset(&dirEntry, 0, sizeof(DIRENTRY));                         dirEntry.de_attr = ATTR_VOLUME_ID;             // the first one is volume label             memcpy(dirEntry.de_name, "TFAT       ", sizeof (dirEntry.de_name));             memcpy(pbBlock, &dirEntry, sizeof(dirEntry));              ...             // Skip the next step of zeroing out clusters             dwCurrentSec += dwSectorsPerCluster;             dwRootSectors = 0;         }     }     // Each new root directory sector needs to be zeroed.     memset(pbBlock, 0, cbSizeBlk);     iRootSec=0;     while ( iRootSec < dwRootSectors) { Basically, the code zero out the each entry in root directory depends on dwRootSectors. In FAT12/16, the dwRootSectors is calculated as the sectors we need for the root entries (512 for most of the case) and in FAT32 it just zero out the one cluster. Please note that, if it is a TFAT volume, it initialize the root directory with special volume label entries for some special purpose. Despite to its unusual initialization process for TFAT, it does provide a example for how to create a volume entry. With some minor modification, we can assign the volume label in FAT formatter and also remember to sync the volume label with bsVolumeLabel or bgbsVolumeLabel in boot sector.

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• Strange jboss console error

  - by c0mrade

  Hello everyone, I'm creating additional module to already multi-module maven project. And for this one I want everything to be like in other modules(meaning dependencies) just to test hello world, then I'll go do some more complex stuff. And it does print hello world as it should when deployed onto jboss server, but I get some strange error on console, had anyone had similar experience? and how can I fix it? Here it is : 15:48:35,789 ERROR [STDERR] log4j:ERROR A "org.jboss.logging.appender.FileAppender" object is not assignable to a "org.apache.log4j.Appender" variable. 15:48:35,789 ERROR [STDERR] log4j:ERROR The class "org.apache.log4j.Appender" was loaded by 15:48:35,790 ERROR [STDERR] log4j:ERROR [BaseClassLoader@9a8d9b{vfszip:/C:/jboss-5.1.0.GA/server/default/deploy/new-module-0.0.1-SNAPSHOT.war/}] whereas object of type 15:48:35,790 ERROR [STDERR] log4j:ERROR "org.jboss.logging.appender.FileAppender" was loaded by [org.jboss.bootstrap.NoAnnotationURLClassLoader@506411]. 15:48:35,790 ERROR [STDERR] log4j:ERROR Could not instantiate appender named "FILE".

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• SubSonic 2.2 missing stored procedures in StoredProcedures.cs when generated with sonic.exe

  - by Mark

  We are trying to move from SubSonic 2.0.3 to 2.2 (not using .NET 3.5). When we regenerate the project using SubCommander\sonic.exe and try to compile we get some errors reporting missing members (which should have been automatically generated based on the stored procedures we have). On closer inspection it looks like my StoredProcedures.cs file is missing some (not all) automatically generated methods for my classes. As an example, I have 2 procs: [dbo]._ClassA_Func1 [dbo]._ClassA_Func2 Only one of these is being generated in the StoredProcedures.cs file. I have checked the permissions of both procs using fn_my_permissions and they seem identical. Does anyone have any ideas on what I can check? Thanks -- Mark

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• Ext GWT (GXT) tooltip over a grid row

  - by Eduardo Palma

  I'm developing a custom tooltip using Ext GWT (GXT) for a project of mine, and this tooltip has to appear over Grid rows when they're selected. I can't use the default GXT tooltip or quicktip because I need be able to add Components (like buttons) to this tooltip. The problem is that the GXT Grid component doesn't expose a event related to mousing over a row (although there's RowClick and RowMouseDown). I tried adding a listener to the Grid with the OnMouseOver and OnMouseOut events anyway, but it doesn't work as expected. It fires these events up whenever you mouse over any of the divs and spans that composes a row. The only way I see to solve this is to subclass the GridView component and make each row become a Component itself, but that would be a lot of work and would probably impact performance as well. I can't help but think there's a better way to do this. Could someone more experienced with GXT give me a light?

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• war Ant task with needxmlfile="false" still complains

  - by Menelaos Perdikeas

  I have the following war task in my build.xml and even though needxmlfile is set to false, Ant (version 1.8.2) complains when the web.xml file does not exist ("BUILD FAILED ... Deployment descriptor: /home/.../web/WEB-INF/web.xml does not exist") What am I missing? <target name="war" depends="build"> <mkdir dir="${build.dir}"/> <war needxmlfile="false" basedir="${webroot.dir}" warfile="${build.dir}/${project.distname}.war" webxml="${webinf.dir}/web.xml"> <exclude name="WEB-INF/${build.dir}/**"/> <exclude name="WEB-INF/src/**"/> <exclude name="WEB-INF/web.xml"/> </war> </target>

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• Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data

  - by joebeazelman

  I created an assembly containing WCF service code and dropped into another web project. When I try to invoke a service method, I get the following inner exception: Request for the permission of type 'System.Data.SqlClient.SqlClientPermission, System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. Why this is happening? My newly created assembly lives inside the ASP.NET /bin folder along with other assemblies. At this level, should the database not know or care whether it is being called from a web service or from a normal call? How would it know that my assembly is foreign? How do I resolve this issue?

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