in crossdc-commons/src/main/java/org/apache/solr/crossdc/common/KafkaMirroringSink.java [78:87]
private void checkTopicsAvailability() {
final Map<String, List<PartitionInfo>> topics = this.consumer.listTopics();
if (mainTopic != null && !topics.containsKey(mainTopic)) {
throw new RuntimeException("Main topic " + mainTopic + " is not available");
}
if (dlqTopic != null && !topics.containsKey(dlqTopic)) {
throw new RuntimeException("DLQ topic " + dlqTopic + " is not available");
}
}