Intermittent log4net RollingFileAppender locked file issue

Question

We are seeing an intermittent issue on development and production machines whereby our log files are not getting logged to.

When running in development and debugging

Answer 1

If you have

and add

then there will be an error while the rolling happens. The first process will create the new file and the rename the current file. Then next proces will do the same and take the newly created file and overwrite the newly renamed file. Resulting in the logfiel for the last day being empty.