Mario Puglisi created LOG4NET-645:
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Summary: Issue involving RollingFileAppender internal error
Key: LOG4NET-645
URL: https://issues.apache.org/jira/browse/LOG4NET-645
Project: Log4net
Issue Type: Bug
Affects Versions: 2.0.8
Environment: Windows 10
Reporter: Mario Puglisi
We're getting random errors when using Log4net to log our kafka implementation
messages, the errors are shown directly at console level, showing a message as
the following:
{code:java}
log4net:ERROR RollingFileAppender: INTERNAL ERROR. Append is False but
OutputFile [Destination of log.txt] already exists
{code}
The thing is that all our loggers are retrieved using an static implementation,
where the "AppendToFile" option is true, it is also strange that the error
happens after the logger had rolled over 3 or 4 backup files.
It also appears to be somewhat writing to the file, even after the mentioned
error occurs, because I have conducted tests deleting the log file mentioned in
the error and it recreates the file and slowly fills it with the log data. Our
concern is that some relevant data might be missing from the logs whenever the
errors show up.
Our C# logger implementation:
!image-2020-02-19-18-02-45-355.png!
All messages are logged as "Info":
!image-2020-02-19-18-13-15-761.png!
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