diff --git a/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/IsolatedClientLoader.scala b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/IsolatedClientLoader.scala index 2f34f69b5cf4..6a90c44a2633 100644 --- a/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/IsolatedClientLoader.scala +++ b/sql/hive/src/main/scala/org/apache/spark/sql/hive/client/IsolatedClientLoader.scala @@ -182,6 +182,7 @@ private[hive] class IsolatedClientLoader( name.startsWith("org.slf4j") || name.startsWith("org.apache.log4j") || // log4j1.x name.startsWith("org.apache.logging.log4j") || // log4j2 + name.startsWith("org.apache.derby.") || name.startsWith("org.apache.spark.") || (sharesHadoopClasses && isHadoopClass) || name.startsWith("scala.") || diff --git a/sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveExternalCatalogSuite.scala b/sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveExternalCatalogSuite.scala index 0a522b6a11c8..1de258f06094 100644 --- a/sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveExternalCatalogSuite.scala +++ b/sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveExternalCatalogSuite.scala @@ -113,4 +113,10 @@ class HiveExternalCatalogSuite extends ExternalCatalogSuite { catalog.createDatabase(newDb("dbWithNullDesc").copy(description = null), ignoreIfExists = false) assert(catalog.getDatabase("dbWithNullDesc").description == "") } + + test("SPARK-23831: Add org.apache.derby to IsolatedClientLoader") { + val client1 = HiveUtils.newClientForMetadata(new SparkConf, new Configuration) + val client2 = HiveUtils.newClientForMetadata(new SparkConf, new Configuration) + assert(!client1.equals(client2)) + } }