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Fluent Nhibernate.mappingexception : No Persister For

4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up No persister for class Error up vote 0 down vote favorite when i run the application i get "No persister for Test.Student" Error I am new in Nhibernate Mapping ,i can't figure this out How can no persister for nhibernate mapping by code i solve ?? plz help NHibernate Configuration part App.config

NHibernate.Connection.DriverConnectionProvider NHibernate.Driver.SqlClientDriver Server=(local);database=Student;Integrated Security=SSPI; NHibernate.Dialect.MsSql2005Dialect false Main Program program.cs using System; using System.Collections.Generic; using System.Linq; using System.Text; using NHibernate; using NHibernate.Cfg; namespace Test { class Program { static void Main(string[] args) { ISessionFactory factor = new Configuration().Configure().BuildSessionFactory(); if(factor!=null){ Console.WriteLine("Configured"); } else{ Console.WriteLine("Not Configured"); } Student std = new Student { Fname = "James", Lname = "Bond", Address = "32 Baker Street", Institution = "MIT" }; using (ISession session = factor.OpenSession()) { using (ITransaction transaction= session.BeginTransaction()) { try { session.Save(std); transaction.Commit(); session.Close(); } catch(Exception e) { Console.WriteLine("ERROR :" + e); } } } } //protected ISessionFactory factory; protected void execute_query() { } } } Mapping part Student.hbm.xml

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No Persister For Entity

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Could Not Compile The Mapping Document

about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users http://stackoverflow.com/questions/17511425/no-persister-for-class-error Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up NHibernate.MappingException: No persister for up vote 0 down vote favorite I'm begining http://stackoverflow.com/questions/20935411/nhibernate-mappingexception-no-persister-for my adventure with nHibernate and I have a problem. My code: Model/Project.cs namespace entity1.Model { public class Project { public Guid Id { get; set; } public string Name { get; set; } public string Description { get; set; } } } Model/Project.hbm.xml Web.config NHibernate.Driver.SqlClientDriver Server=(local);initial catalog=todo;Integrated Security=True NHibernate.Dialect.MsSql2008Dialect NHibernate.ByteCode.Castle.ProxyFactoryFactory, NHibernate.ByteCode.Castle Test.aspx.cs Project project = new Project(); // [...] Configuration c = new Configuration(); c.AddAssembly(Assembly.GetCallingAssembly()); ISessionFactory factory = c.BuildSessionFactory(); using (ISession session = factory.OpenSession()) { using(ITransaction transaction = session.BeginTransaction()){ session.Save(project); transaction.Commit(); } And exception: No persister for: entity1.Model.Project What is wrong? I'm realy thank for everyone help. Sorr

here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us http://stackoverflow.com/questions/1436072/nhibernate-mappingexception-no-persister Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack http://www.blainekendall.com/index.php/archives/2004/04/12/hibernate-no-persister-for-error/ Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up NHibernate MappingException. No Persister up vote 1 down no persister vote favorite I'm trying to get NHibernate to work. I've got this class: mm.k.Domain.Kampagne (namespace/assembly is mm.k.Domain) In another Visual Studio project (Assembly mm.k.Infrastructure) I got my Mapping files (in a Mappings directory), my hibernate.cfg.xml and some repositories. Heres my mapping file: no persister for When I'm configuring my session, I do this: _configuration.AddAssembly(typeof(mm.k.Domain.Kampagne).Assembly); And thats what doesn't work! When calling: var test = session.Get(kampagneId); I get the following error: "No persister for: mm.k.Domain.Kampagne" Like it doesn't register the embedded mapping fild. Note that I have the build action on the mapping file set to Embedded Resource. If I change the above line to: _configuration.AddFile(@"fullpath\mm.k.Infrastructure\Mappings\Kampagne.hbm.xml"); Everything works perfectly fine! Any ideas? Thanks in advance. nhibernate nhibernate-mapping share|improve this question asked Sep 16 '09 at 23:49 Tommy Jakobsen 92142343 add a comment| 4 Answers 4 active oldest votes up vote 3 down vote accepted Not sure what your nhibernate.cfg.xml file looks like, but I generally have an item like this based on your information you've given. NHibernate uses this to load the mapping files from this specific assembly. This should give you the mapping you need. share|improve this answer edited Sep 17 '09 at 0:27 answered Sep 17 '09 at 0:22 LizB 1,8121317 That did the trick. Thank you! Strangethat the NHibernate getting started tutorial doesn't mention this? –Tommy Jakobsen Sep 21 '09 at 18:59 add a comment| up vote 7 down vote In case someone will have this issue

Blaine I'm pulling my hair out trying to fix this error. I've used the same technique, similar datatypes, similar mapping files…yet, when I try to map my Hibernate "Historical" data object class, I get a "No persister for" error. I've googled for solutions to this problem, but nothing has come up applicable to what I'm looking to fix. So, I'm turning to the blogosphere for help here. In order to debug, I've created a servlet which attempts to write a data object (Historical) to MySQL. I do this twice, with the same code (copy & paste for this junk debug code). One method (writeDailysumsToDB) writes to a different data object, with similar types. The second method (writeHistoricalToDB) writes the Historical data object. writeDailysumsToDB works perfectly, yet writeHistoricalToDB fails with the mentioned "No persister for" error. This leads me to believe it's a mapping error, yet I can't detect where. So I'm dumping everything here in the hopes someone can browse and point out my obvious error.
----- Exception stacktrace -----

net.sf.hibernate.MappingException: No persister for: db.Historical
at net.sf.hibernate.impl.SessionFactoryImpl.getPersister(SessionFactoryImpl.java:420)
at net.sf.hibernate.impl.SessionImpl.getPersister(SessionImpl.java:2302)
at net.sf.hibernate.impl.SessionImpl.getPersister(SessionImpl.java:2309)
at net.sf.hibernate.impl.SessionImpl.save(SessionImpl.java:599)
at spike.WriteHistoricalServlet.writeHistoricalToDB(WriteHistoricalServlet.java:192)
at spike.WriteHistoricalServlet.handleRequest(WriteHistoricalServlet.java:126)
at org.apache.velocity.servlet.VelocityServlet.doRequest(VelocityServlet.java:372)
at org.apache.velocity.servlet.VelocityServlet.doGet(VelocityServlet.java:333)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:126)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:103)
at com.caucho.server.http.FilterChainServlet.doFilter(FilterChainServlet.java:96)
at com.caucho.server.http.Invocation.service(Invocation.java:315)
at com.caucho.server.http.CacheInvocation.service(

 

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