Error Building SessionFactory In NHibernate?
Apr 28, 2009
I am getting an "ArgumentOutOfRangeException" on parameter index whenever I try to instantiate a session factory in nHibernate. The error comes from a procedure deep in the bowels of nHibernate. This is on a fresh project with a pretty simple three tier architecture. The data layer maps the nHibernate classes to simple interfaces which are implemented by the business layer.Currently there is only one interface set and mapping file being used by nHibernate. Hopefully my issue is easy to spot.
Here is the function where I build the sessionFactory.
Private Shared Function SessionFactory() As ISessionFactory
If _sessionFactory Is Nothing Then
Dim config As New NHibernate.Cfg.Configuration
config.Configure()
[code]....
Edit2: When I remove the discriminator I no longer get this error. Am I not doing that right?
Edit 3: When I download the source code for nHibernate, build it on my own, link to it's debug output and run it, I get a completely different error about ProxyFactoryFactory not being configured.
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Jul 14, 2011
given this function:
Public Function Search(ByVal StartIndex As Integer, _
ByVal MaxResults As Integer, _
ByVal AccountNumber As String, _
ByVal LastName As String, _
[Code]....
instead of what I expected:
Select count(*) from remitline where lastname = "smith"
What am I doing wrong building up the where clause? I'm using Castle ActiveRecord 2.1
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Mar 10, 2010
Basically, I wish to fetch a filtered set of objects from the database (Oracle 9.2) based on the id property of the object PsalertsEvent. The code being executed is:
Public Overloads Function GetAll(ByVal laterThan As Long, ByVal filteredPsalertsEvents As IList) As IList Implements IPsalertsEventRepo.GetAll
'Get all psalerts events with an ID greater then the specified laterThan parameter
filteredPsalertsEvents = MyBase.NHibernateSession.CreateQuery("from PsalertsEvent p where p.id > " & laterThan).List
[Code]...
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Feb 4, 2010
I just read this article about the Entity Framework 4 (actually version 2).Entity Framework seems to offer a huge improvement over its first release. Thus, I have never ever used EF in any project, since I think EF is not mature enough in comparison to NHibernate.NHibernate and its current contributions of FluentNHibernate and Linq for NHibernate by Ayende RahienMy feeling is that Microsoft is solely trying to gain terrain it has lost in favor of NHibernate when the 2nd version of NHibernate came out.Nevertheless, my concerns are the followings (not in particular order):Will EF4 tend to be less XML-verbose?Will EF4 be compatible with other underlying datastore than just SQL Server?What are the greatest benefits of going with EF4 instead of FluentNHibernate or NHibernate itself.
NHibernate is a great tool, I guess everyone agrees. Due to its predecessor Hibernate, we may easily find documentions and tutorials and sample applications to get acquainted with it. This is not the case for FluentNHibernate. Particularly as per the project I'm working on right now which demands that I investigate further about NHibernate and its options (FluentNHibernate for instance) in order to document the rules of usage and the best practices of NHibernat and FluentNHibernate technology. Thus, being handcuffed with VB.NET, being a C-Style developer, I can't find some syntax equivalencies in VB.NET for the examples provided, though I made I way so far
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Oct 26, 2010
I would like to ask if you can use VB.NET for NHibernate and Fluent Nhibernate?I have searched the web, but I can't seem to get a detailed or explicit statement that tells that one can use VB.NET for NHibernate and with Fluent.
Many of the samples in the NHibernate site are made in C#. That's why I was wondering if I can't use VB.NET when using NHibernate.
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Nov 8, 2005
I got "Unrecoverable build error" when building setup project.I try the solution in [URL].. but did not work out.
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Oct 10, 2010
While I'm trying to build a solution after I've changed a little in its code it gave me an error and even when I've removed the code the same error appears.
"Unable to find manifest signing certificate in the certificate store." (That is the Error and it either stop building or run last successful build.)
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Apr 4, 2012
I am getting the following error when I am trying to build my website, It is an error to use a section registered asallowDefinition='MachineToApplication' beyond application level.Thiserror can be caused by a virtual directory not being configured as anapplication in IISI am using IIS express for my website and created a virtual directory and mapped in to a directory. Just found out since I have not mapped the virtual directory to an application it gives this error message. I cannot remove the virtual directory When I try to remove it from my website project.ion is do I have to do anything else to remove the virtual directory from my web site project.
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Jun 8, 2012
I'm trying to build a web service and it should build a new XML out of an existing XML.
the code as follows:
<WebMethod(CacheDuration:=0, Description:="GroveHallFromRss")> _
Public Function GroveHallFromRss() As XmlDocument
Dim webClient As System.Net.WebClient = New System.Net.WebClient()
Dim ourUrl As String = "http://123.example.org/RSSSyndicator.aspx?type=N&range=currentyear&expire=Y&location=2-7-165&rssid=18"
[Code]...
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Jun 4, 2010
I am trying to build an error handler for my desktop application. The code Is in the class ZipCM.ErrorManager listed below.What I am finding is that the outputted file is not giving me the correct info for the StackTrace.Here is how I am trying to use it:
Try
'... Some stuff here!
Catch ex As Exception
Dim objErr As New ZipCM.ErrorManager
[code]....
What is happenning is the .GetFileLineNumber() is getting the line number from 'objErr.Stack = New System.Diagnostics.StackTrace(True)' inside my Try..Catch block. In fact, it's the exact line number that is on. how I can catch the real line number the error is occuring on?
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Jul 12, 2012
My project from 2003VS is getting an error on build It needs to be build but I don't know whats wrong.
------ Build started: Project: MatchServer, Configuration: BRZ_Release_publish Win32 ------
Linking...
UnitTest++.vsnet2003.lib(Test.obj) : error LNK2005: "public: __thiscall std::_Lockit::_Lockit(int)" (??0_Lockit@std@@QAE@H@Z) already defined in libcpmt.lib(xlock.obj)
[code].....
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Aug 22, 2011
The below message appears when I build a solution. How to avoid this? Please provide me a detailed answer. I am a beginner of Visual basic.
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Apr 4, 2011
I've setup an ItemTeplate like so in a GridView:
<asp:TemplateField HeaderText="Building">
<ItemTemplate>
<asp:Label
[Code].....
I'm receiving the error:
EntitySet 'Building' that was specified in page markup does not exist on the Container.
There is definitely a Building entity in the pbu_housingEntities?
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Jul 22, 2011
I designed an application to download a file from the Internet onto a selected location on the local computer. This application too, has a form-building error.Debug Error Message: An error occurred creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object.
[Code]...
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Jan 14, 2011
Unable to write to output file 'D:DevelopmentJob_TrackerJob_List_and_TrackerobjDebugJob_List_and_Tracker.exe': The process cannot access the file because it is being used by another process. Job_List_and_Tracker
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Nov 17, 2010
I began setting up a TeamCity server a couple days ago for use in automated testing and CI. We mainly do VB.net web apps and up until now, it had been checking out things and building just fine.
A problem came up when I tried to add actual deployment into the mix. I saw this article: [URL]
referenced all over the place as a good guide, so I followed the steps relating to setting up a Web Deployment project and rigging TeamCity to run it. Basically, it recommends setting up a new build configuration in VS2010 called "Deployment" which builds the Web Deployment project, then creating a build configuration in TC that targets it.
The issue is that the web deployment project won't compile when run under TeamCity. The regular build works just fine, but if I set MSBuild to use the build configuration that includes the Web Deployment project, it crashes halfway through and gives an error about attempting to load the System.Data.OracleClient assembly in an incorrect format. I assume this means a 32-bit/64-bit error, especially since my development machine is a 32-bit box, and the build server is 64, but I don't know why this is happening, especially when the regular build works, and nothing in my project involves using an Oracle database.
I saw in the log that there's a warning about missing reference assemblies for the 4.0 framework, so I headed off to the MS website and downloaded the SDK, but that didn't change anything. At this point, I'm stuck, and I didn't see anything already here on Stack Overflow that looked quite like this. I'll attach the log below. Have I missed something simple?
[10:46:05]: Project "MyTools.sln.teamcity.patch.tcprojx" (TeamCity_Generated_Build target(s)):
[10:46:05]: [Project "MyTools.sln.teamcity.patch.tcprojx" (TeamCity_Generated_Build target(s)):] Project "MyTools.sln" (Rebuild target(s)):
[CODE]...
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Feb 7, 2012
how to use nHibernate with Vb.net using all the examples online(which are in C#) to learn. Which has been fine for the basics, but now I'm trying to learn how to use QueryOver's JoinAlias, and going from C# to VB.net is difficult. I've been using this page's answer as a reference, but I'm still having trouble converting an example like that to Vb.net.
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Nov 22, 2009
I'm struggling with getting Linq To NHibernate to work.I have referenced NHibernate, NHibernate.Linq and NHibernate.ByteCode.Castle . Also I have all other dependencies in the same folder.
Code / Error message:
Public Function GetProjectsByName(ByVal ProjectName As String) As List(Of Project)
Return (From x In _session.Linq(Of Project)() Where x.Name.Equals(Project))
End Function[code]....
... tells me that the LINQ extensions aren't loaded. Using NHibernate.Linq seems to be made in a way that it's incredibly easy to use, hence there are no tutorials on how to set it up. (Or at least I couldn't find any).
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Mar 16, 2009
I have a repository class that defines some basic Get/Save/Delete methods. Inside these, I use NHibernate to do the work on my business entities. For example:
[code]...
However, on my User class I have some properties and collections of other objects that ideally I'd like to be lazy loaded. But of course, the ISession is created and disposed within the repository, which I guess is why, outside of that, when I try to access those properties I get a "Could not initialize proxy - no Session" error.Is my only option then to disable lazy loading when using repositories? Or is it possible (or just foolish) to somehow get the session into scope in the business layer?I do like the repository model, and NHibernate is growing on me (after lots of initial frustration trying to make it work), so what's the best way you gurus have found of using them together?
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Jun 27, 2012
I can't find what's going on with the following nHibernate HQL.
here's my VB.Net code:
Return _Session.GetNamedQuery("PersonAnthroSummary").SetInt32(0, 2).UniqueResult()
My Named Query:
[code].....
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Mar 16, 2009
I have an ado.net statement I want to convert to use NHibernate:
Dim sql As New StringBuilder()
sql.AppendLine("SELECT r.RoleId, r.RoleName ")
sql.AppendLine("FROM dbo.aspnet_Roles r ")
[code]...
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Dec 28, 2011
I am having some redundant primary key issues.I have an Item which contains many reports. I have mapped them as shown below. I can do Session.QueryOver(Of Item).List and there are no extra columns generated. I can also do Session.QueryOver(Of Report).List and there are no extra columns generated.
However, once I try to traverse the relationship from Item to Reports, I get the SQL query shown below. Can anyone tell me why?
[Code]...
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May 12, 2009
Basically I want to be able to do this:
session.ExecuteSql("...");
I don't need it to map to any entities or return any values.
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Jan 12, 2011
I am starting on the NHibernate world and i am experimenting with the NHibernate CookBook
recipes, i am trying to set a base entity class for my entities and this is the C# code for this. I would like to know whats the VB.NET version so i can implement it in my sample project
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Jul 29, 2010
Because there is so little information about VB.Net and (Fluent) NHibernate to be found, I decided to write this question to all other developers finding themselves looking for more information.On of the things i had to struggle with was how to Ignore properties in NHibernate.The reason i had to ignore properties was because we used a Webserivce which cannot serialize Interface classes (ILists). Which are used a lot with NHibernate.
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Dec 21, 2010
Well i have been fighting with this for a little bit now, and i can't seem to find a solution for something it should be really simple. I got a class ( really simple class ) i got the hbm.xml ( SET AS EMBEDDED RESOURCE ) i got the config file set for SQLite but i still get the [Class] Is not mapped.Here is where the error comes up, when i run this:
Public Sub LoadCentersFromDatabase()
Try
Dim session As ISession = OpenSession()
Dim query As IQuery = session.CreateQuery("from Center")
[code]....
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Jul 9, 2010
I've been using c# for the past year and I enjoy the power you get with Fluent NHibernate. One question that I get from friends is "nice but how can vb.net programmers use this?"So for example- the below is a c# mapping class. How would someone do this with vb.net?
public class PostMap : ClassMap<post>
{
public PostMap()
{
Table("Posts");
[Code]...
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Jan 22, 2012
I am attempting to bind objects pulled from an NHibernate session to a DataGridView and am having problems.I have a single session in which I fetch all of my "look-up" items that are bound to a combobox column, and then I query for the objects themselves. omehow, this still results in proxy child objects on the main objects. I have even changed the mapping of the look-up items to eager fetch, but I still get proxies somehow.Here is how I am fetching the objects:
Dim _makes As IList(Of Make) = session.QueryOver(Of Make).List
Dim _models As IList(Of Model) = session.QueryOver(Of Model).List
Dim _cars as IList(of Car) = session.QueryOver(of Car).List
[code].....
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Oct 5, 2010
Question: I get an exception serializing this class to a nHibernate xml file ({"Could not determine type for: System.Drawing.Image, System.Drawing, for columns:NHibernate.Mapping.Column(Settings)"}).
using System;
using System.Collections.Generic;
using System.Text;
[code].....
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Feb 12, 2010
Instinctively, I would say that this is impossible, as NHibernate needs to know some mapping information on how to persist a given type. Thus, I encountered some situations in which I could use such a feature. For instance, through a named query or something like so. On the other hand, using a named query would require me to make an addition to the configuration file.
Let's suppose we have an application interacting with some underlying datastore. This datastore is configured through the NHibernate configuration file. Then, I wish to have NHibernate load only a subset of an entity properties, from another subsystem to which my application shouldn't need to interact much, so it is not worthy to define classes for this system, as I only need a fraction of this alien system's information, let's say three out of thirty-two data columns. For that matter, if I chose to load only those three columns let's say for performance concerns, I would then use an anonymous type, perform the required action onto this information, then persist it back to the datastore. Now, it wouldn't be of much interest to do so if I only had one entity to get loaded from the datastore, so let's say I have about 75,000 rows to load into my process. I then shall consider this subset option very seriously!
What strategy should you choose in such situation, if you needed to persist these changes to a subset only of this entity's properties?FYI: I am asking because I must write specific rules of usage with NHibernate, such rules that even a beginner developer would even be able to use it without knowing too much about NHibernate, but only following the rules and guidance of the technical documents I have to produce.
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