Denis Abramov created LOG4NET-559: ------------------------------------- Summary: Custom Appender throws exception to user when I use %type in ConversionPattern Key: LOG4NET-559 URL: https://issues.apache.org/jira/browse/LOG4NET-559 Project: Log4net Issue Type: Bug Affects Versions: 2.0.7 Reporter: Denis Abramov
In my appender I have the following ConversionPattern: <layout type="log4net.Layout.PatternLayout"> <param name="ConversionPattern" value="%m%n %type" /> </layout> In my Append method, the "RenderLoggingEvent" is throwing the exception below protected override void Append(LoggingEvent loggingEvent) { ... message.ErrorText = Layout == null ? loggingEvent.RenderedMessage : RenderLoggingEvent(loggingEvent); } ... } System.NullReferenceException was unhandled by user code HResult=-2147467261 Message=Object reference not set to an instance of an object. Source=log4net StackTrace: at log4net.Layout.Pattern.TypeNamePatternConverter.GetFullyQualifiedName(LoggingEvent loggingEvent) in c:\log4net\tags\2.0.7RC1\src\Layout\Pattern\TypeNamePatternConverter.cs:line 51 at log4net.Layout.Pattern.NamedPatternConverter.Convert(TextWriter writer, LoggingEvent loggingEvent) in c:\log4net\tags\2.0.7RC1\src\Layout\Pattern\NamedPatternConverter.cs:line 125 at log4net.Util.PatternConverter.Format(TextWriter writer, Object state) in c:\log4net\tags\2.0.7RC1\src\Util\PatternConverter.cs:line 173 at log4net.Layout.PatternLayout.Format(TextWriter writer, LoggingEvent loggingEvent) in c:\log4net\tags\2.0.7RC1\src\Layout\PatternLayout.cs:line 1117 at log4net.Appender.AppenderSkeleton.RenderLoggingEvent(LoggingEvent loggingEvent) in c:\log4net\tags\2.0.7RC1\src\Appender\AppenderSkeleton.cs:line 705 at GCM.Logger.Appender.SolaceAppender.Append(LoggingEvent loggingEvent) in E:\svn\trunk\MyAppender\MyAppender.cs:line 67 at log4net.Appender.AppenderSkeleton.DoAppend(LoggingEvent loggingEvent) in c:\log4net\tags\2.0.7RC1\src\Appender\AppenderSkeleton.cs:line 317 InnerException: -- This message was sent by Atlassian JIRA (v6.3.15#6346)