persistent memory cache issue

[zhouyuan]

py4j.protocol.Py4JJavaError: An error occurred while calling o87.persist.
: java.lang.NoSuchMethodError: org.apache.spark.sql.execution.columnar.InMemoryRelation$.apply(Lorg/apache/spark/storage/StorageLevel;Lorg/apache/spark/sql/execution/QueryExecution;Lscala/Option;)Lorg/apache/spark/sql/execution/columnar/InMemoryRelation;
        at org.apache.spark.sql.execution.CacheManager.$anonfun$cacheQuery$2(CacheManager.scala:102)
        at org.apache.spark.sql.SparkSession.withActive(SparkSession.scala:772)
        at org.apache.spark.sql.execution.CacheManager.cacheQuery(CacheManager.scala:97)
        at org.apache.spark.sql.Dataset.persist(Dataset.scala:3187)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244)
        at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
        at py4j.Gateway.invoke(Gateway.java:282)
        at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132)
        at py4j.commands.CallCommand.execute(CallCommand.java:79)
        at py4j.GatewayConnection.run(GatewayConnection.java:238)
        at java.lang.Thread.run(Thread.java:748)

[zhouyuan]

@rui-mo here's the issue on cache