Exceptions with properties that throw an exception when fetched fail to log #106
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Hi,
We've come across an issue with the ElasticSearch target where, if we attempt to log an entry with an exception attached, and that exception has a property that can't be fetched due to throwing an exception, that causes the log message (or in fact an entire batch of log messages, if buffering is involved) to be lost.
This PR contains a change that means that properties causing errors while serializing are skipped instead of throwing an exception, and instead a warning is logged to the NLog internal log. It also avoids doing exception serialization at all if there is a custom field configured for exceptions.