[SPARK-11000][YARN]Bug fix: Derby have booted the database twice in y…

…arn security mode.

yarn/src/main/scala/org/apache/spark/deploy/yarn/Client.scala

@@ -1272,11 +1272,24 @@ object Client extends Logging {
       val mirror = universe.runtimeMirror(getClass.getClassLoader)
 
       try {
-        val hiveClass = mirror.classLoader.loadClass("org.apache.hadoop.hive.ql.metadata.Hive")
-        val hive = hiveClass.getMethod("get").invoke(null)
-
-        val hiveConf = hiveClass.getMethod("getConf").invoke(hive)
         val hiveConfClass = mirror.classLoader.loadClass("org.apache.hadoop.hive.conf.HiveConf")
+        val hiveConf = hiveConfClass.newInstance()
+
+        // Set metastore to be a local temp directory to avoid conflict of the `metaStore client`
+        // in `HiveContext` which will use the same derby dataBase by default.
+        val hiveConfSet = (param: String, value: String) => hiveConfClass
+          .getMethod("set", classOf[Unit])
+          .invoke(hiveConf, param, value)
+        val tempDir = Utils.createTempDir()
+        val localMetastore = new File(tempDir, "metastore")
+        hiveConfSet("hive.metastore.warehouse.dir", localMetastore.toURI.toString)
+        hiveConfSet("javax.jdo.option.ConnectionURL",
+          s"jdbc:derby:;databaseName=${localMetastore.getAbsolutePath};create=true")
+        hiveConfSet("datanucleus.rdbms.datastoreAdapterClassName",
+          "org.datanucleus.store.rdbms.adapter.DerbyAdapter")
+
+        val hiveClass = mirror.classLoader.loadClass("org.apache.hadoop.hive.ql.metadata.Hive")
+        val hive = hiveClass.getMethod("get").invoke(null, hiveConf.asInstanceOf[Object])
 
         val hiveConfGet = (param: String) => Option(hiveConfClass
           .getMethod("get", classOf[java.lang.String])