String logstashConfig = LogstashConfigUtils.validateLogstashInput(testInfo.sourceKey, testInfo.logstash.config, errMessage, testInfo.isAdmin);
if (null == logstashConfig) { // Validation error...
TestLogstashExtractorPojo testErr = new TestLogstashExtractorPojo();
testErr._id = testInfo._id;
testErr.error = "Validation error: " + errMessage.toString();
_logHarvesterQ.push(testErr.toDb());
return;
}//TESTED
// Replacement for #LOGSTASH{host} - currently only replacement supported (+ #IKANOW{} in main code)