Fix ES 5 support

diff --git a/lib/perfdata/elasticsearchwriter.cpp b/lib/perfdata/elasticsearchwriter.cpp
index 531224e080ca27d62e5f9dda1c3d6aad42b18c80..2e8ffa5159e4879f8d2ebe9387cad7e112e291df 100644 (file)
--- a/lib/perfdata/elasticsearchwriter.cpp
+++ b/lib/perfdata/elasticsearchwriter.cpp
@@ -419,9 +419,9 @@ void ElasticsearchWriter::SendRequest(const String& body)
        path.emplace_back(GetIndex() + "-" + Utility::FormatDateTime("%Y.%m.%d", Utility::GetTime()));
 
        /* ES 6 removes multiple _type mappings: https://www.elastic.co/guide/en/elasticsearch/reference/6.x/removal-of-types.html
-        * Best practice is to statically define 'doc'.
+        * Best practice is to statically define 'doc', as ES 5.X does not allow types starting with '_'.
         */
-       path.emplace_back("_doc");
+       path.emplace_back("doc");
 
        /* Use the bulk message format. */
        path.emplace_back("_bulk");