My Environment: solr-spec -  4.10.3 solr-impl -  4.10.3-cdh5.13.0 Spark 1.6 spark-solr-3.0.2 spark-solr-3.0.2-shaded solr-solrj-6.5.1   While I am trying to save the Spark Dataframe 'df.write().format("solr").options(options).save()' I am getting the following error: Exception in thread "main" java.lang.AbstractMethodError: solr.DefaultSource.createRelation(Lorg/apache/spark/sql/SQLContext;Lorg/apache/spark/sql/SaveMode;Lscala/collection/immutable/Map;Lorg/apache/spark/sql/DataFrame;)Lorg/apache/spark/sql/sources/BaseRelation; at org.apache.spark.sql.execution.datasources.ResolvedDataSource$.apply(ResolvedDataSource.scala:222) at org.apache.spark.sql.DataFrameWriter.dataSource$lzycompute$1(DataFrameWriter.scala:181) at org.apache.spark.sql.DataFrameWriter.org$apache$spark$sql$DataFrameWriter$$dataSource$1(DataFrameWriter.scala:181) at org.apache.spark.sql.DataFrameWriter$$anonfun$save$1.apply$mcV$sp(DataFrameWriter.scala:188) at org.apache.spark.sql.DataFrameWriter.executeAndCallQEListener(DataFrameWriter.scala:154) at org.apache.spark.sql.DataFrameWriter.save(DataFrameWriter.scala:188) at Test.main(Test.java:65)   ... View more