From d8c61d648208cd7b8f7b37d3b615d895e7857771 Mon Sep 17 00:00:00 2001
From: luogankun <luogankun@gmail.com>
Date: Wed, 14 Jan 2015 14:13:40 +0800
Subject: [PATCH] [SPARK-5239][CORE]JdbcRDD throws
 'java.lang.AbstractMethodError: oracle.jdbc.driver.xxxxxx.isClosed()Z'

---
 core/src/main/scala/org/apache/spark/rdd/JdbcRDD.scala | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/src/main/scala/org/apache/spark/rdd/JdbcRDD.scala b/core/src/main/scala/org/apache/spark/rdd/JdbcRDD.scala
index 642a12c1edf6..4fe7622bda00 100644
--- a/core/src/main/scala/org/apache/spark/rdd/JdbcRDD.scala
+++ b/core/src/main/scala/org/apache/spark/rdd/JdbcRDD.scala
@@ -99,21 +99,21 @@ class JdbcRDD[T: ClassTag](
 
     override def close() {
       try {
-        if (null != rs && ! rs.isClosed()) {
+        if (null != rs) {
           rs.close()
         }
       } catch {
         case e: Exception => logWarning("Exception closing resultset", e)
       }
       try {
-        if (null != stmt && ! stmt.isClosed()) {
+        if (null != stmt) {
           stmt.close()
         }
       } catch {
         case e: Exception => logWarning("Exception closing statement", e)
       }
       try {
-        if (null != conn && ! conn.isClosed()) {
+        if (null != conn) {
           conn.close()
         }
         logInfo("closed connection")