improve error handling for inputs #21069
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This PR improves the error handling of input errors and introduces a new exception that is used in the event of an error. The correct handling of errors is important here as otherwise the error metrics in the
DecodingProcessor
are not incremented correctly. In addition, the newdecodeSafe
method has been introduced and the code adapted accordingly. Thedecode
method has thus been marked as deprecated./nocl
/jenkins-pr-deps Graylog2/graylog-plugin-enterprise#9285