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[SPARK-1570] Fix classloading in JavaSQLContext.applySchema #484

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[SPARK-1570] Fix classloading in JavaSQLContext.applySchema #484

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6 changes: 4 additions & 2 deletions sql/core/src/main/scala/org/apache/spark/sql/api/java/JavaSQLContext.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ import org.apache.spark.sql.catalyst.expressions.{AttributeReference, GenericRow
import org.apache.spark.sql.catalyst.types._
import org.apache.spark.sql.parquet.ParquetRelation
import org.apache.spark.sql.execution.{ExistingRdd, SparkLogicalPlan}
import org.apache.spark.util.Utils

/**
* The entry point for executing Spark SQL queries from a Java program.
Expand Down Expand Up @@ -84,10 +85,11 @@ class JavaSQLContext(sparkContext: JavaSparkContext) {
*/
def applySchema(rdd: JavaRDD[_], beanClass: Class[_]): JavaSchemaRDD = {
val schema = getSchema(beanClass)
val className = beanClass.getCanonicalName
val className = beanClass.getName
val rowRdd = rdd.rdd.mapPartitions { iter =>
// BeanInfo is not serializable so we must rediscover it remotely for each partition.
val localBeanInfo = Introspector.getBeanInfo(Class.forName(className))
val localBeanInfo = Introspector.getBeanInfo(
Class.forName(className, true, Utils.getContextOrSparkClassLoader))
val extractors =
localBeanInfo.getPropertyDescriptors.filterNot(_.getName == "class").map(_.getReadMethod)

Expand Down