He done it... and then he post here too. On Thu, Jul 29, 2010 at 11:20 AM, Richard Brown (gmail) < [email protected]> wrote:
> Hi Gabriel, > > Can you post this to the NH User's group: > http://groups.google.com/group/nhusers > > Cheers, > Richard > > -------------------------------------------------- > From: "Gabriel" <[email protected]> > Sent: Wednesday, July 28, 2010 7:10 AM > To: "nhibernate-development" <[email protected]> > Subject: [nhibernate-development] Problem with 'no persister for' exception > using Nhibernate Fluent Automapping > > > >> Problem with 'no persister for' exception using Nhibernate Fluent >> Automapping >> >> >> Hello >> >> I'm having some problems with applying NHibernate Fluent Automapping. >> It worked great in a test project. But now.. >> >> Test method >> [PROJECTNAME].SubscriptionTest.SubscriptionConstructorTest threw >> exception: NHibernate.MappingException: No persister for: >> [PROJECTLIB].SubscriptionManagerRP >> >> The class (then again, the same exception arises with a much simpler >> testclass - so the problem shouldn't be here): >> >> >> -------------------------------------------------------------------------------------------------------------------------- >> >> >> [System.CodeDom.Compiler.GeneratedCodeAttribute("System.Xml", >> "2.0.50727.4927")] >> [System.Xml.Serialization.XmlTypeAttribute(AnonymousType = >> true, Namespace = "http://docs.oasis-open.org/wsn/b-2";)] >> [System.Xml.Serialization.XmlRootAttribute(Namespace = "http:// >> docs.oasis-open.org/wsn/b-2", IsNullable = false)] >> [System.Runtime.Serialization.DataContractAttribute(Name = >> "SubscriptionManagerRP", Namespace = "http://docs.oasis-open.org/wsn/ >> b-2")] >> public class SubscriptionManagerRP >> { >> >> private string id; >> >> public string Id >> { >> get >> { >> return id; >> } >> set >> { >> id = value; >> } >> } >> >> public Boolean Save() >> { >> DatabaseAccess access = new DatabaseAccess(); >> var sessionFactory = access.getSessionFactory(); >> >> //try >> //{ >> using (var session = sessionFactory.OpenSession()) >> { >> using (var transaction = >> session.BeginTransaction()) >> { >> >> >> SaveTextMess(this.ToString()); >> session.Save(this); >> transaction.Commit(); >> return true; >> } >> } >> //} >> //catch (Exception e) >> //{ >> // SaveTextMess("ERROR: " + e); >> // Console.WriteLine(e); >> //} >> >> //SaveTextMess("false"); >> return false; >> } >> >> private void SaveTextMess(String output) >> { >> //Just for Demo purposes, saving text file per message >> that should be sent >> >> // create a writer and open the file >> TextWriter tw = new StreamWriter("C:\\Temp\ >> \CespSubscriptionManagerRPMessage.txt"); >> >> // write a line of text to the file >> tw.WriteLine(output); >> >> // close the stream >> tw.Close(); >> } >> >> //################################### >> >> >> >> >> [EditorBrowsable(EditorBrowsableState.Never)] >> private EndpointReferenceType consumerReferenceField; >> >> [EditorBrowsable(EditorBrowsableState.Never)] >> private FilterType filterField; >> >> [EditorBrowsable(EditorBrowsableState.Never)] >> private SubscriptionPolicyType subscriptionPolicyField; >> >> [EditorBrowsable(EditorBrowsableState.Never)] >> private System.DateTime creationTimeField; >> >> [EditorBrowsable(EditorBrowsableState.Never)] >> private bool creationTimeFieldSpecified; >> >> private static System.Xml.Serialization.XmlSerializer >> serializer; >> >> /// <summary> >> /// .ctor class constructor >> /// </summary> >> public SubscriptionManagerRP() >> { >> this.subscriptionPolicyField = new >> SubscriptionPolicyType(); >> this.filterField = new FilterType(); >> this.consumerReferenceField = new >> EndpointReferenceType(); >> } >> >> [System.Runtime.Serialization.DataMemberAttribute()] >> public EndpointReferenceType ConsumerReference >> { >> get >> { >> return this.consumerReferenceField; >> } >> set >> { >> this.consumerReferenceField = value; >> } >> } >> >> [System.Runtime.Serialization.DataMemberAttribute()] >> public FilterType Filter >> { >> get >> { >> return this.filterField; >> } >> set >> { >> this.filterField = value; >> } >> } >> >> [System.Runtime.Serialization.DataMemberAttribute()] >> public SubscriptionPolicyType SubscriptionPolicy >> { >> get >> { >> return this.subscriptionPolicyField; >> } >> set >> { >> this.subscriptionPolicyField = value; >> } >> } >> >> [System.Runtime.Serialization.DataMemberAttribute()] >> public System.DateTime CreationTime >> { >> get >> { >> return this.creationTimeField; >> } >> set >> { >> this.creationTimeField = value; >> } >> } >> >> [System.Xml.Serialization.XmlIgnoreAttribute()] >> [System.Runtime.Serialization.DataMemberAttribute()] >> public bool CreationTimeSpecified >> { >> get >> { >> return this.creationTimeFieldSpecified; >> } >> set >> { >> this.creationTimeFieldSpecified = value; >> } >> } >> >> private static System.Xml.Serialization.XmlSerializer >> Serializer >> { >> get >> { >> if ((serializer == null)) >> { >> serializer = new >> System.Xml.Serialization.XmlSerializer(typeof(SubscriptionManagerRP)); >> } >> return serializer; >> } >> } >> >> #region Serialize/Deserialize >> /// <summary> >> /// Serializes current SubscriptionManagerRP object into >> an XML document >> /// </summary> >> // <returns>string XML value</returns> >> public virtual string WriteObject() >> { >> System.IO.StreamReader streamReader = null; >> System.IO.MemoryStream memoryStream = null; >> try >> { >> memoryStream = new System.IO.MemoryStream(); >> Serializer.Serialize(memoryStream, this); >> memoryStream.Seek(0, System.IO.SeekOrigin.Begin); >> streamReader = new >> System.IO.StreamReader(memoryStream); >> return streamReader.ReadToEnd(); >> } >> finally >> { >> if ((streamReader != null)) >> { >> streamReader.Dispose(); >> } >> if ((memoryStream != null)) >> { >> memoryStream.Dispose(); >> } >> } >> } >> >> /// <summary> >> /// Deserializes workflow markup into an >> SubscriptionManagerRP object >> /// </summary> >> // <param name="xml">string workflow markup to >> deserialize</param> >> // <param name="obj">Output SubscriptionManagerRP object</ >> param> >> // <param name="exception">output Exception value if >> deserialize failed</param> >> // <returns>true if this XmlSerializer can deserialize the >> object; otherwise, false</returns> >> public static bool ReadObject(string xml, out >> SubscriptionManagerRP obj, out System.Exception exception) >> { >> exception = null; >> obj = default(SubscriptionManagerRP); >> try >> { >> obj = ReadObject(xml); >> return true; >> } >> catch (System.Exception ex) >> { >> exception = ex; >> return false; >> } >> } >> >> public static bool ReadObject(string xml, out >> SubscriptionManagerRP obj) >> { >> System.Exception exception = null; >> return ReadObject(xml, out obj, out exception); >> } >> >> public static SubscriptionManagerRP ReadObject(string xml) >> { >> System.IO.StringReader stringReader = null; >> try >> { >> stringReader = new System.IO.StringReader(xml); >> return ((SubscriptionManagerRP) >> (Serializer.Deserialize(System.Xml.XmlReader.Create(stringReader)))); >> } >> finally >> { >> if ((stringReader != null)) >> { >> stringReader.Dispose(); >> } >> } >> } >> >> /// <summary> >> /// Serializes current SubscriptionManagerRP object into >> file >> /// </summary> >> // <param name="fileName">full path of outupt xml file</ >> param> >> // <param name="exception">output Exception value if >> failed</param> >> // <returns>true if can serialize and save into file; >> otherwise, false</returns> >> public virtual bool SaveToFile(string fileName, out >> System.Exception exception) >> { >> exception = null; >> try >> { >> SaveToFile(fileName); >> return true; >> } >> catch (System.Exception e) >> { >> exception = e; >> return false; >> } >> } >> >> public virtual void SaveToFile(string fileName) >> { >> System.IO.StreamWriter streamWriter = null; >> try >> { >> string xmlString = WriteObject(); >> System.IO.FileInfo xmlFile = new >> System.IO.FileInfo(fileName); >> streamWriter = xmlFile.CreateText(); >> streamWriter.WriteLine(xmlString); >> streamWriter.Close(); >> } >> finally >> { >> if ((streamWriter != null)) >> { >> streamWriter.Dispose(); >> } >> } >> } >> >> /// <summary> >> /// Deserializes workflow markup from file into an >> SubscriptionManagerRP object >> /// </summary> >> // <param name="xml">string workflow markup to >> deserialize</param> >> // <param name="obj">Output SubscriptionManagerRP object</ >> param> >> // <param name="exception">output Exception value if >> deserialize failed</param> >> // <returns>true if this XmlSerializer can deserialize the >> object; otherwise, false</returns> >> public static bool LoadFromFile(string fileName, out >> SubscriptionManagerRP obj, out System.Exception exception) >> { >> exception = null; >> obj = default(SubscriptionManagerRP); >> try >> { >> obj = LoadFromFile(fileName); >> return true; >> } >> catch (System.Exception ex) >> { >> exception = ex; >> return false; >> } >> } >> >> public static bool LoadFromFile(string fileName, out >> SubscriptionManagerRP obj) >> { >> System.Exception exception = null; >> return LoadFromFile(fileName, out obj, out exception); >> } >> >> public static SubscriptionManagerRP LoadFromFile(string >> fileName) >> { >> System.IO.FileStream file = null; >> System.IO.StreamReader sr = null; >> try >> { >> file = new System.IO.FileStream(fileName, >> FileMode.Open, FileAccess.Read); >> sr = new System.IO.StreamReader(file); >> string xmlString = sr.ReadToEnd(); >> sr.Close(); >> file.Close(); >> return ReadObject(xmlString); >> } >> finally >> { >> if ((file != null)) >> { >> file.Dispose(); >> } >> if ((sr != null)) >> { >> sr.Dispose(); >> } >> } >> } >> #endregion >> >> #region Clone method >> /// <summary> >> /// Create a clone of this SubscriptionManagerRP object >> /// </summary> >> public virtual SubscriptionManagerRP Clone() >> { >> return ((SubscriptionManagerRP) >> (this.MemberwiseClone())); >> } >> #endregion >> } >> >> ------------------------------------------------------------------------------------------------------ >> >> >> The save method from the class above (looks the same in the simple >> testclass that works in the test project): >> >> >> ------------------------------------------------------------------------------------------------------ >> public Boolean Save() >> { >> DatabaseAccess access = new DatabaseAccess(); >> var sessionFactory = access.getSessionFactory(); >> >> //try >> //{ >> using (var session = sessionFactory.OpenSession()) >> { >> using (var transaction = >> session.BeginTransaction()) >> { >> >> >> SaveTextMess(this.ToString()); >> session.Save(this); >> transaction.Commit(); >> return true; >> } >> } >> //} >> //catch (Exception e) >> //{ >> // SaveTextMess("ERROR: " + e); >> // Console.WriteLine(e); >> //} >> >> //SaveTextMess("false"); >> return false; >> } >> >> ------------------------------------------------------------------------------------------------------ >> >> Where I set the connection string and the Session Factory: >> >> >> ------------------------------------------------------------------------------------------------------ >> class SessionFactoryController >> { >> >> public SessionFactoryController() >> { >> >> } >> >> public ISessionFactory GiveFactory() >> { >> return CreateSessionFactory(); >> } >> >> private static void ReferByteCode(){ >> >> //Just to make sure the ByteCodeCastle is loaded >> ProxyFactory fake = new ProxyFactory(); >> } >> >> private static ISessionFactory CreateSessionFactory() >> { >> ReferByteCode(); >> >> var cfg = new FluentNhibernateConfiguration(); >> >> return Fluently.Configure() >> .Database( >> >> FluentNHibernate.Cfg.Db.MsSqlConfiguration.MsSql2005 >> .ConnectionString("[SERVER];Database=Pets;User >> ID=NHibernateTester;Password=[PASSWORD];Trusted_Connection=False;") >> ) >> >> .Mappings(m => >> m.AutoMappings >> >> .Add(AutoMap.AssemblyOf<SubscriptionManagerRP>(cfg)) >> ) >> >> .BuildSessionFactory(); >> } >> >> } >> >> ------------------------------------------------------------------------------------------------------ >> >> Config: >> >> >> ------------------------------------------------------------------------------------------------------ >> class FluentNhibernateConfiguration : >> DefaultAutomappingConfiguration >> { >> public override bool ShouldMap(Type type) >> { >> return type.Namespace == "System.Xml.XmlAttribute"; >> } >> } >> >> ------------------------------------------------------------------------------------------------------ >> >> The config is to handle an earlier mapping exception for >> 'System.Xml.XmlAttribute'. >> >> Is it possible to get this error if the database isn't set up >> correctly? I have done the test that with a class I know works with >> NHibernate Automapping (from another project) test towards the >> database (same as in the other project). And I still get the same >> exception, but for the 'simple' class. >> >> So it isn't the class. >> >> It isn't the connection string, because it was copied from the other >> project that works great. >> >> It isn't the settings (or at least the security/access settings) on >> the database. I assume it should give another error if I configured >> the tables wrong, and as mentioned, I get the same exception when I >> direct it towards something that works in another project. >> >> I have deleted everything and rewritten it once, just to make sure I >> didn't do some small silly misstake. If so, I've done it twice. >> >> As mentioned, and as you see. **This code is very, very simple.** The >> only thing that is complex is the class. And even if I change it for a >> very, very simple class I get the same exception. >> >> Any ideas please? What does the 'no persister' exception actually >> include? >> >> >> >> >> -- Fabio Maulo
