in crossdc-consumer/src/main/java/org/apache/solr/crossdc/messageprocessor/SolrMessageProcessor.java [159:167]
private void logFailure(MirroredSolrRequest mirroredSolrRequest, Exception e, SolrException solrException, boolean retryable) {
// This shouldn't really happen.
if (solrException != null && 400 <= solrException.code() && solrException.code() < 500) {
log.error("Exception occurred with 4xx response. {}", solrException.code(), solrException);
return;
}
log.warn("Resubmitting mirrored solr request after failure errorCode={} retryCount={}", solrException != null ? solrException.code() : -1, mirroredSolrRequest.getAttempt(), e);
}