This is how I create Session Factory using Fluent Nhibernate
public static ISessionFactory CreateSessionFactory()
{
FluentNHibernate.Cfg.FluentConfiguration fconfig;
fconfig = FluentNHibernate.Cfg.Fluently.Configure()
.Cache(c=>c.UseQueryCache())
.Database(FluentNHibernate.Cfg.Db.MsSqlConfiguration.MsSql2008
.ConnectionString(c => c.FromConnectionStringWithKey("Database"))
.ProxyFactoryFactory<NHibernate.ByteCode.LinFu.ProxyFactoryFactory>()
.Mappings(
m => m.FluentMappings
.AddFromAssemblyOf<NHibernateRepositoryRegistry>()
.Conventions.Add<Conventions.PrimaryKeyConvention>()
.Conventions.Add<Conventions.IdForeignKeyConvention>()
.Conventions.Add<Conventions.ReferenceForeignKeyConstraintNameConvention>()
)
// i have tried this but it did not work
//.ExposeConfiguration(config=>{config.SetProperty("show_sql", "false");});
return fconfig.BuildSessionFactory();
}
This is my log4net config inside Web.config
<appender name="RollingFile" type="log4net.Appender.RollingFileAppender">
<file value="nhibernate.log" />
<appendToFile value="true" />
<maximumFileSize value="100KB" />
<maxSizeRollBackups value="2" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level %thread %logger - %message%newline" />
</layout>
</appender>
<appender name="RollingFile2" type="log4net.Appender.RollingFileAppender">
<file value="nhibernatesql.log" />
<appendToFile value="true" />
<maximumFileSize value="100KB" />
<maxSizeRollBackups value="2" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%level %thread %logger - %message%newline" />
</layout>
</appender>
<logger name="NHibernate">
<level value="INFO" />
<appender-ref ref="RollingFile" />
</logger>
<logger name="NHibernate.SQL">
<level value="ALL" />
<appender-ref ref="RollingFile2" />
</logger>
<root>
<level value="DEBUG" />
<appender-ref ref="RollingFile" />
</root>
</log4net>
I had ShowSql() setup perviously
and I was trying to set it via web.config appsettings so i can turn on or off based on configuration
so I removed ShowSql() and tried following ( right now i am just passing "false" value )
.ExposeConfiguration(config=>{config.SetProperty("show_sql", "false");});
also tried
.ExposeConfiguration(config=>{config.SetProperty("hibernate.show_sql", "false");});
but I am still getting sql generated in nhibernatesql.log file
I am using NHibernate v3.1.0.4000 and FluentNHibernate v1.2.0.712 and ASP.NET MVC3
does anyone know why sql is still generating?
does show_sql or ShowSql() is only meant for Console.output purpose and sql is sent to log4net regardless ?
my main concern is slow performance if ShowSQL is set to true
not sure whether I am setting ShowSql somewhere else
ok I think I got the answer
based on http://www.davesquared.net/2008/01/viewing-sql-generated-by-nhibernate.html
show_sql is used of Console.out purpose only and sql is sent to log4net regardless.. and that is why I am seeing sql in the logs
Related
I am using ASP.NET Core and have created a Log4net logging provider.
My current log4net.config file looks like this:
<?xml version="1.0" encoding="utf-8" ?>
<log4net debug="true">
<appender name="LogFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="logs\\" />
<appendToFile value="true" />
<DatePattern value="yyyy\\\\MM\\\\dd'.inf.log'" />
<rollingStyle value="Date" />
<param name="StaticLogFileName" value="false" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger [%ndc] <%property{auth}> - %message%newline" />
</layout>
</appender>
<appender ref="HangfireLoggerAppender" type="log4net.Appender.RollingFileAppender">
<file value="logs\HangfireLog.txt" />
<appendToFile value="true" />
<rollingStyle value="Size" />
<maxSizeRollBackups value="10" />
<maximumFileSize value="1MB" />
<staticLogFileName value="true" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%-5p %d %5rms %-22.22c{1} %-18.18M - %m%n" />
</layout>
</appender>
<root>
<level value="DEBUG" />
<appender-ref ref="LogFileAppender" />
</root>
<logger additivity="false" name="Hangfire">
<level value="INFO" />
<appender-ref ref="HangfireLoggerAppender" />
</logger>
</log4net>
The log is showing A LOT of asp.net core junk. SQL Logs ect.
I would like to filter out :
Microsoft.AspNetCore.*
Microsoft.EntityFrameworkCore.*
How do I do this with Log4net?
you need to configure logging on your WebHostBuilder as follows :
[Program.cs -> BuildWebHost(string[] args) ]
return WebHost.CreateDefaultBuilder(args)
.UseStartup<Startup>()
ConfigureLogging((hostingContext, logging) =>
{ logging.AddConfiguration(hostingContext.Configuration.GetSection("Logging"));
logging.AddFilter("Microsoft.AspNetCore", LogLevel.Information);
logging.AddFilter(" Microsoft.EntityFrameworkCore", LogLevel.Information);
logging.AddConsole();
logging.AddDebug();
})
.Build();
You call the logging.AddFilter method specifying the namespace as first parameter and LogLevel as the second parameter.
This can be also done using configuration in appsettings.json file if you don't want to do in code. You can read more here
I am using fluent NHibernate. I want to see sql query which is generated by fluent NHibernate. Is there any way to get this query at runtime.
Generated SQL could be observed in two ways. We can use log4net and output it into any kind of appender (e.g. file) like this:
<appender name="RollingFileAppender" type="log4net.Appender.RollingFileAppender">
<file value="c:\Logs\NH_SQL.log" />
<layout type="log4net.Layout.PatternLayout">
<ConversionPattern value="[%-3d|%-4t|%-5p|%-75c] %m | %-10u %n" />
</layout>
<!-- example with file up to 1MB migrated into max 2 backup files -->
<appendToFile value="true" />
<maximumFileSize value="1MB" />
<rollingStyle value="Size" />
<maxSizeRollBackups value="2" />
</appender>
<logger name="NHibernate.SQL">
<level value="ALL" />
<appender-ref ref="RollingFileAppender" />
</logger>
Or we can use the setting show_sql documented here
3.5. Optional configuration properties
Which could be turned on like this:
Fluently
.Configure()
.Database( MsSqlConfiguration
.MsSql2008
.ShowSql()
...
And then all SQL statements will be written into console.
I have programmatically create log4net log from config file:
var properties = new NameValueCollection
{
{"configType", "FILE"},
{"configFile", #"c:/log4net.config"}
};
Common.Logging.LogManager.Adapter = new Common.Logging.Log4Net.Log4NetLoggerFactoryAdapter(properties);
This is my log4net.config (EDITED for simplicity as dove suggested) :
<log4net>
<appender name="RollingFile" type="log4net.Appender.RollingFileAppender">
<file value="c:/log.log" />
<appendToFile value="true" />
<maximumFileSize value="100KB" />
<maxSizeRollBackups value="5" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%d [%t] %-5p %c - %m%n" />
</layout>
</appender>
<root>
<level value="All" />
<appender-ref ref="RollingFile" />
</root>
<logger name="NHibernate">
<level value="All" />
<appender-ref ref="RollingFile" />
</logger>
</log4net>
I got Spring.NET successfuly logging into that file, but not NHibernate.
Nhibernate is configured fluenltly:
protected override void PostProcessConfiguration(Configuration config)
{
base.PostProcessConfiguration(config);
var msSqlCfg = MsSqlConfiguration.MsSql2000.ConnectionString(ConnectionString)
.ShowSql();
Fluently.Configure(config).Database(msSqlCfg)
.Mappings(m => m.FluentMappings.Add<EmployeeMap>())
// Other mappings
.BuildSessionFactory();
}
What should I fix to get Nhibernate log working?
Does it log if you generate statistics?
Configuration.ExposeConfiguration(c =>
c.SetProperty("generate_statistics", "true"));
To narrow things down can you remove additivity flag and appeder from within logger and just log one to start, i.e. exactly like this
<logger name="NHibernate">
<level value="ALL" />
</logger>
I need to show the previous 10 events when a particular logger is triggered. The goal is to show what previous steps occurred immediately before NHibernate.SQL logging was issued.
Currently, I am logging NHibernate sql to a separate file - this is working correctly.
<appender name="NHibernateSqlAppender" type="log4net.Appender.RollingFileAppender">
<file value="Logs\NHibernate.log" />
<appendToFile value="true" />
<rollingStyle value="Size" />
<maxSizeRollBackups value="10" />
<maximumFileSize value="10000KB" />
<staticLogFileName value="true" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%d{dd/MM/yy HH:mm:ss,fff} [%t] %-5p %c - %m%n" />
</layout>
</appender>
<logger name="NHibernate.SQL" additivity="false">
<level value="ALL"/>
<appender-ref ref="NHibernateSqlAppender"/>
</logger>
<logger name="NHibernate" additivity="false">
<level value="WARN"/>
<appender-ref ref="NHibernateSqlAppender"/>
</logger>
But this only outputs SQL, without context. I would like all previous logs within a specified namespace to also be logged, but only when the HNibernate.SQL appender is triggered.
I have investigated the use of BufferingForwardingAppender as a means to collect all events, and then filter them within the NHibernateSqlAppender, but this is not working. I have read about the LoggerMatchFilter class, which seems like it is going to help, but I'm not sure where to put it.
<appender name="BufferingForwardingAppender" type="log4net.Appender.BufferingForwardingAppender" >
<bufferSize value="10" />
<lossy value="true" />
<evaluator type="log4net.Core.LevelEvaluator">
<threshold value="ALL"/>
</evaluator>
<appender-ref ref="NHibernateSqlAppender" />
</appender>
<appender name="NHibernateSqlAppender" type="log4net.Appender.RollingFileAppender">
<file value="Logs\NHibernate.log" />
<appendToFile value="true" />
<rollingStyle value="Size" />
<maxSizeRollBackups value="10" />
<maximumFileSize value="10000KB" />
<staticLogFileName value="true" />
<filter type="log4net.Filter.LoggerMatchFilter">
<loggerToMatch value="NHibernate.SQL" />
<loggerToMatch value="Laan" />
</filter>
<filter type="log4net.Filter.LoggerMatchFilter">
<loggerToMatch value="NHibernate" />
<acceptOnMatch value="false"/>
</filter>
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%d{dd/MM/yy HH:mm:ss,fff} [%t] %-5p %c - %m%n" />
</layout>
</appender>
<root>
<level value="ALL" />
<appender-ref ref="BufferingForwardingAppender"/>
</root>
The idea is that buffering appender will store all events, but then the NHibernateSqlAppender will only flush when an NHibernate.SQL event fires, plus it will flush the buffer (of 10 previous items, within the specified logger level, which in this example is Laan.*).
I would implement ITriggeringEventEvaluator that returns true in the IsTriggeringEvent() method when a certain logger (ideally configurable) fires. Have a look a the implementation of the LevelEvaluator class, it should be quite easy. The code would look like this:
public bool IsTriggeringEvent(LoggingEvent loggingEvent)
{
if (loggingEvent == null)
{
throw new ArgumentNullException("loggingEvent");
}
return (loggingEvent.LoggerName == triggeringLoggerName);
}
With this new evaluator your configuration should work though you should remove the filters (I guess).
So, we had a little ETL app that had some issues with updates. Which were nicely solved in an afternoon sprint with nHibernate. But this app relied upon log4net to push logging output to a few different destinations based upon command line switches. Once we got nHibernate wrapped into the app, it ETL'd flawlessly. But the logging functions failed completely. From the debugger's point of view, any of our loggers have all log4net's levels disabled.
Here's the log4net config:
<log4net>
<appender name="RollingFile" type="log4net.Appender.RollingFileAppender">
<file value="import-" />
<staticLogFileName value="false" />
<appendToFile value="false" />
<rollingStyle value="Date" />
<maxSizeRollBackups value="5" />
<datePattern value="yyyyMMdd-HHmm".log"" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date %-5level - %message%newline" />
</layout>
</appender>
<appender name="Console" type="log4net.Appender.ConsoleAppender">
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%-5level : %message%newline" />
</layout>
</appender>
<appender name="Email" type="log4net.Appender.SmtpAppender">
<to value="wwb#example.com" />
<from value="PeepsImporter#example.com" />
<subject value="Cte Importer Error" />
<smtpHost value="smtp.example.com" />
<bufferSize value="512" />
<lossy value="false" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%newline%date %-5level : %message%newline%newline%newline" />
</layout>
</appender>
<root>
<level value="ALL" />
</root>
<logger name="Console">
<level value="INFO" />
<appender-ref ref="Console" />
</logger>
<logger name="File">
<level value="INFO" />
<appender-ref ref="RollingFile" />
</logger>
<logger name="DebugConsole">
<level value="DEBUG" />
<appender-ref ref="Console" />
</logger>
<logger name="DebugFile">
<level value="DEBUG" />
<appender-ref ref="RollingFile" />
</logger>
<logger name="EmailErrors">
<level value="ERROR" />
<appender-ref ref="Email" />
</logger>
</log4net>
Not sure what other code would help, but I'm happy to post anything else from this app.
What version of NHibernate are you using? Builds older than 1.0-RC1 turned logging on internally. In 1.0-RC1 they changed this so you have to manually call log4net.XmlConfigurator.Configure(). This was done to give developers more control over logging.
You could try turning on the internal debugging in log4net: See this section in the following link:
"How do I enable log4net internal debugging?"
http://logging.apache.org/log4net/release/faq.html