I have a Windows service which has a timer and in the timer_Elapsed
event handler a method from another component will be called which is
supposed to look into db and read or update some records.
The timer Elapsed event is getting fired every 2 minutes.I used
nhibernate for data access and all the nhibernate and db related
configuration code is done in the component and windows service has a
reference to the component.When I run the method from unit test it is
working fine which means the configurations and mappings are correct,
but from windows service I get this exception:
FluentNHibernate.Cfg.FluentConfigurationException was caught
Message="An invalid or incomplete configuration was used while
creating a SessionFactory. Check PotentialReasons collection, and
InnerException for more detail.\r\n\r\n"
Source="FluentNHibernate"
StackTrace:
at
FluentNHibernate.Cfg.FluentConfiguration.BuildConfiguration() in d:
\Builds\FluentNH\src\FluentNHibernate\Cfg\FluentConfiguration.cs:line
121
InnerException: NHibernate.MappingException
Message="Could not configure datastore from input stream
(XmlDocument)"
Source="NHibernate"
StackTrace:
at NHibernate.Cfg.Configuration.LogAndThrow(Exception
exception)
at NHibernate.Cfg.Configuration.AddInputStream(Stream
xmlInputStream, String name)
at
NHibernate.Cfg.Configuration.AddDocument(XmlDocument doc, String name)
at
NHibernate.Cfg.Configuration.AddDocument(XmlDocument doc)
at
FluentNHibernate.PersistenceModel.Configure(Configuration cfg) in d:
\Builds\FluentNH\src\FluentNHibernate\PersistenceModel.cs:line 265
at
FluentNHibernate.Cfg.FluentMappingsContainer.Apply(Configuration cfg)
in d:\Builds\FluentNH\src\FluentNHibernate\Cfg
\FluentMappingsContainer.cs:line 141
at
FluentNHibernate.Cfg.MappingConfiguration.Apply(Configuration cfg) in
d:\Builds\FluentNH\src\FluentNHibernate\Cfg
\MappingConfiguration.cs:line 64
at
FluentNHibernate.Cfg.FluentConfiguration.BuildConfiguration() in d:
\Builds\FluentNH\src\FluentNHibernate\Cfg\FluentConfiguration.cs:line
112
InnerException: System.TypeInitializationException
Message="The type initializer for
'NHibernate.Util.TypeNameParser' threw an exception."
Source="NHibernate"
TypeName="NHibernate.Util.TypeNameParser"
StackTrace:
at NHibernate.Util.TypeNameParser.Parse(String
type, String defaultNamespace, String defaultAssembly)
at
NHibernate.Cfg.ClassExtractor.ClassEntry..ctor(String extends, String
className, String entityName, String assembly, String namespace)
at
NHibernate.Cfg.ClassExtractor.GetClassEntries(XmlDocument document)
at
NHibernate.Cfg.MappingsQueue.AddDocument(NamedXmlDocument document)
at
NHibernate.Cfg.Configuration.AddDocumentThroughQueue(NamedXmlDocument
document)
at
NHibernate.Cfg.Configuration.AddXmlReader(XmlReader hbmReader, String
name)
at
NHibernate.Cfg.Configuration.AddInputStream(Stream xmlInputStream,
String name)
InnerException: System.Threading.ThreadAbortException
Message="Exception of type
'System.Threading.ThreadAbortException' was thrown."
InnerException:
Here is the code I have in the service :
public InitiatorService()
{
InitializeComponent();
}
protected override void OnStart(string[] args)
{
timer1.Enabled = true;
}
protected override void OnStop()
{
}
private void timer1_Elapsed(object sender,
System.Timers.ElapsedEventArgs e)
{
lock (processLock)
{
DoWorkComponent component= new DoWorkComponent ();
component.DoWorkMethod();
}
}
In the DoWorkComponent :
public void DoWorkMethod()
{
try
{
ISession session =GetSession();
ITransaction transaction = session.BeginTransaction();
//code to do actions
session.Flush();
transaction.Commit();
session.Close(); }
catch (Exception ex)
{
throw new InvalidOperationException(ex.Message);
}
}
Please let me know if this is a correct practice and how I can fix
this problem.
The nhibernate version I am using is 2.1.2.4000 and I set CallContext
to thread_static.
Thanks in Advance,
Sacha
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