Hi, To check the spark version you can take a look at ignite-spark_2.10 dependency.
For <dependency> <groupId>org.apache.ignite</groupId> <artifactId>ignite-spark</artifactId> <version>2.4.0</version> </dependency> you can see: <dependency> <groupId>org.apache.spark</groupId> <artifactId>spark-core_2.10</artifactId> <version>2.2.0</version> <scope>compile</scope> </dependency> For <dependency> <groupId>org.apache.ignite</groupId> <artifactId>ignite-spark</artifactId> <version>2.5.0</version> </dependency> you can see: <dependency> <groupId>org.apache.spark</groupId> <artifactId>spark-core_2.10</artifactId> <version>2.2.0</version> <scope>compile</scope> </dependency> For ignite 2.6: <dependency> <groupId>org.apache.ignite</groupId> <artifactId>ignite-spark</artifactId> <version>2.6.0</version> </dependency> You can see: <dependency> <groupId>org.apache.spark</groupId> <artifactId>spark-core_2.11</artifactId> <version>2.3.0</version> <scope>compile</scope> </dependency> BR, Andrei -- Sent from: http://apache-ignite-users.70518.x6.nabble.com/