Apache Kylin: sql query error ： java.lang.AbstractMethodError

Question

java.lang.AbstractMethodError: org.apache.kylin.jdbc.KylinMeta.prepareAndExecute (Lorg/apache/calcite/avatica/Meta$ConnectionHandle;Ljava/lang/String;ILorg/apache/calcite/avatica/Meta$PrepareCallback;)Lorg/apache/calcite/avatica/Meta$ExecuteResult; org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:474)

Answer 1

this error is only at kylin-jdbc-1.5.2.jar. When I use kylin-jdbc-2.1.0.jar, the above issue was settled.