OnAuthenticate at offset 161 in file:line:column <filename unknown>:0:0
ValidateUser at offset 427 in file:line:column <filename unknown>:0:0
LogException at offset 218 in file:line:column <filename unknown>:0:0

layout="${date:format=s}|${level}|${callsite}|${identity}|${message}|${stacktrace:format=Raw}"

${stacktrace:format=raw}

${exception:format=stacktrace}

StringWriter sw = new StringWriter();
new Throwable().printStackTrace(new PrintWriter(sw));
String stackTrace = sw.toString();