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https://issues.apache.org/jira/browse/LOG4NET-340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13280050#comment-13280050
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Dominik Psenner edited comment on LOG4NET-340 at 5/21/12 9:26 AM:
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This is actually not a bug. The string you pass in contains a "{", which in
turn is passed on to the string.Format() method that raises a
StringFormatException because it cannot format "{\n[..]". You will have to
escape every "{" and "}" with "{{" and "}}" if you do want that those are
processed by the string.Format() method.
was (Author: nachbarslumpi):
This is actually not a bug. The string you pass in contains a "{", which in
turn is passed on to the string.Format() method that raises a
StringFormatException because it cannot format "{\n[..]". You will have to
escape every "{" and "}" with "{{" and "}}" if you want to view it in the
logfiles as it is.
> Exception during StringFormat: Input string was not in a correct format.
> -------------------------------------------------------------------------
>
> Key: LOG4NET-340
> URL: https://issues.apache.org/jira/browse/LOG4NET-340
> Project: Log4net
> Issue Type: Bug
> Affects Versions: 1.2.10
> Reporter: Deepak Kumar Bhatt
>
> We are encountering following error when we use following debugger statement
> in code. This request is a JSON request which is a valid format in JSON but
> still log4net 1.2.10.0 logs this message.
> <<<Code>>>
> Logger.Debugger("request=" + request);
> <<<Error Message in Logger >>>
> <log4net.Error>Exception during StringFormat: Input string was not in a
> correct format. <format>request={
> "ID": "xxxx-xxxxx-xxxx-xxxx-xxxx",
> "zipFile": "Test.docx__04052012105400.authoring.gz",
> "actualFile": "Test02052012222046.docx",
> "UserID": "bhatt",
> "groupID": "GroupA",
> "groupFromUI": "GroupA"
> }</format><args>{}</args></log4net.Error>
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