added an es prop

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/IndexOnESJob.java

@@ -48,12 +48,13 @@ public class IndexOnESJob {
 
 		final JavaRDD<String> inputRdd = ClusterUtils
 			.readPath(spark, eventsPath, Event.class)
-			// .limit(10000) // TODO REMOVE
 			.map(IndexOnESJob::eventAsJsonString, Encoders.STRING())
 			.javaRDD();
 
 		final Map<String, String> esCfg = new HashMap<>();
 		// esCfg.put("es.nodes", "10.19.65.51, 10.19.65.52, 10.19.65.53, 10.19.65.54");
+
+		esCfg.put("es.index.auto.create", "false");
 		esCfg.put("es.nodes", indexHost);
 		esCfg.put("es.mapping.id", "eventId"); // THE PRIMARY KEY
 		esCfg.put("es.batch.write.retry.count", "8");