[SPARK-20338]Spaces in spark.eventLog.dir are not correctly handled

core/src/main/scala/org/apache/spark/SparkContext.scala

@@ -193,7 +193,7 @@ class SparkContext(config: SparkConf) extends Logging {
    * ------------------------------------------------------------------------------------- */
 
   private var _conf: SparkConf = _
-  private var _eventLogDir: Option[URI] = None
+  private var _eventLogDir: Option[String] = None
   private var _eventLogCodec: Option[String] = None
   private var _env: SparkEnv = _
   private var _jobProgressListener: JobProgressListener = _
@@ -236,7 +236,7 @@ class SparkContext(config: SparkConf) extends Logging {
   def appName: String = _conf.get("spark.app.name")
 
   private[spark] def isEventLogEnabled: Boolean = _conf.getBoolean("spark.eventLog.enabled", false)
-  private[spark] def eventLogDir: Option[URI] = _eventLogDir
+  private[spark] def eventLogDir: Option[String] = _eventLogDir
   private[spark] def eventLogCodec: Option[String] = _eventLogCodec
 
   def isLocal: Boolean = Utils.isLocalMaster(_conf)
@@ -405,9 +405,7 @@ class SparkContext(config: SparkConf) extends Logging {
 
     _eventLogDir =
       if (isEventLogEnabled) {
-        val unresolvedDir = conf.get("spark.eventLog.dir", EventLoggingListener.DEFAULT_LOG_DIR)
-          .stripSuffix("/")
-        Some(Utils.resolveURI(unresolvedDir))
+        Some(conf.get("spark.eventLog.dir", EventLoggingListener.DEFAULT_LOG_DIR).stripSuffix("/"))
       } else {
         None
       }

core/src/main/scala/org/apache/spark/deploy/ApplicationDescription.scala

@@ -17,15 +17,13 @@
 
 package org.apache.spark.deploy
 
-import java.net.URI
-
 private[spark] case class ApplicationDescription(
     name: String,
     maxCores: Option[Int],
     memoryPerExecutorMB: Int,
     command: Command,
     appUiUrl: String,
-    eventLogDir: Option[URI] = None,
+    eventLogDir: Option[String] = None,
     // short name of compression codec used when writing event logs, if any (e.g. lzf)
     eventLogCodec: Option[String] = None,
     coresPerExecutor: Option[Int] = None,

core/src/main/scala/org/apache/spark/scheduler/EventLoggingListener.scala

@@ -18,7 +18,6 @@
 package org.apache.spark.scheduler
 
 import java.io._
-import java.net.URI
 import java.nio.charset.StandardCharsets
 import java.util.Locale
 
@@ -50,22 +49,22 @@ import org.apache.spark.util.{JsonProtocol, Utils}
 private[spark] class EventLoggingListener(
     appId: String,
     appAttemptId : Option[String],
-    logBaseDir: URI,
+    logBaseDir: String,
     sparkConf: SparkConf,
     hadoopConf: Configuration)
   extends SparkListener with Logging {
 
   import EventLoggingListener._
 
-  def this(appId: String, appAttemptId : Option[String], logBaseDir: URI, sparkConf: SparkConf) =
+  def this(appId: String, appAttemptId : Option[String], logBaseDir: String, sparkConf: SparkConf) =
     this(appId, appAttemptId, logBaseDir, sparkConf,
       SparkHadoopUtil.get.newConfiguration(sparkConf))
 
   private val shouldCompress = sparkConf.getBoolean("spark.eventLog.compress", false)
   private val shouldOverwrite = sparkConf.getBoolean("spark.eventLog.overwrite", false)
   private val testing = sparkConf.getBoolean("spark.eventLog.testing", false)
   private val outputBufferSize = sparkConf.getInt("spark.eventLog.buffer.kb", 100) * 1024
-  private val fileSystem = Utils.getHadoopFileSystem(logBaseDir, hadoopConf)
+  private val fileSystem = new Path(logBaseDir).getFileSystem(hadoopConf)
   private val compressionCodec =
     if (shouldCompress) {
       Some(CompressionCodec.createCodec(sparkConf))
@@ -96,8 +95,8 @@ private[spark] class EventLoggingListener(
     }
 
     val workingPath = logPath + IN_PROGRESS
-    val uri = new URI(workingPath)
     val path = new Path(workingPath)
+    val uri = path.toUri
     val defaultFs = FileSystem.getDefaultUri(hadoopConf).getScheme
     val isDefaultLocal = defaultFs == null || defaultFs == "file"
 
@@ -303,11 +302,11 @@ private[spark] object EventLoggingListener extends Logging {
    * @return A path which consists of file-system-safe characters.
    */
   def getLogPath(
-      logBaseDir: URI,
+      logBaseDir: String,
       appId: String,
       appAttemptId: Option[String],
       compressionCodecName: Option[String] = None): String = {
-    val base = logBaseDir.toString.stripSuffix("/") + "/" + sanitize(appId)
+    val base = logBaseDir.stripSuffix("/") + "/" + sanitize(appId)
     val codec = compressionCodecName.map("." + _).getOrElse("")
     if (appAttemptId.isDefined) {
       base + "_" + sanitize(appAttemptId.get) + codec

core/src/test/scala/org/apache/spark/deploy/history/FsHistoryProviderSuite.scala

@@ -61,8 +61,7 @@ class FsHistoryProviderSuite extends SparkFunSuite with BeforeAndAfter with Matc
       inProgress: Boolean,
       codec: Option[String] = None): File = {
     val ip = if (inProgress) EventLoggingListener.IN_PROGRESS else ""
-    val logUri = EventLoggingListener.getLogPath(testDir.toURI, appId, appAttemptId)
-    val logPath = new URI(logUri).getPath + ip
+    val logPath = EventLoggingListener.getLogPath(testDir.getAbsolutePath, appId, appAttemptId) + ip
     new File(logPath)
   }
 

core/src/test/scala/org/apache/spark/scheduler/EventLoggingListenerSuite.scala

@@ -50,7 +50,7 @@ class EventLoggingListenerSuite extends SparkFunSuite with LocalSparkContext wit
   private var testDirPath: Path = _
 
   before {
-    testDir = Utils.createTempDir()
+    testDir = Utils.createTempDir(namePrefix = s"event log")
     testDir.deleteOnExit()
     testDirPath = new Path(testDir.getAbsolutePath())
   }
@@ -62,7 +62,7 @@ class EventLoggingListenerSuite extends SparkFunSuite with LocalSparkContext wit
   test("Verify log file exist") {
     // Verify logging directory exists
     val conf = getLoggingConf(testDirPath)
-    val eventLogger = new EventLoggingListener("test", None, testDirPath.toUri(), conf)
+    val eventLogger = new EventLoggingListener("test", None, testDirPath.toString, conf)
     eventLogger.start()
 
     val logPath = new Path(eventLogger.logPath + EventLoggingListener.IN_PROGRESS)
@@ -100,16 +100,15 @@ class EventLoggingListenerSuite extends SparkFunSuite with LocalSparkContext wit
     val secretPassword = "secret_password"
     val conf = getLoggingConf(testDirPath, None)
       .set(key, secretPassword)
-    val eventLogger = new EventLoggingListener("test", None, testDirPath.toUri(), conf)
+    val eventLogger = new EventLoggingListener("test", None, testDirPath.toString, conf)
     val envDetails = SparkEnv.environmentDetails(conf, "FIFO", Seq.empty, Seq.empty)
     val event = SparkListenerEnvironmentUpdate(envDetails)
     val redactedProps = eventLogger.redactEvent(event).environmentDetails("Spark Properties").toMap
     assert(redactedProps(key) == "*********(redacted)")
   }
 
   test("Log overwriting") {
-    val logUri = EventLoggingListener.getLogPath(testDir.toURI, "test", None)
-    val logPath = new URI(logUri).getPath
+    val logPath = EventLoggingListener.getLogPath(testDir.toString, "test", None)
     // Create file before writing the event log
     new FileOutputStream(new File(logPath)).close()
     // Expected IOException, since we haven't enabled log overwrite.
@@ -119,7 +118,7 @@ class EventLoggingListenerSuite extends SparkFunSuite with LocalSparkContext wit
   }
 
   test("Event log name") {
-    val baseDirUri = Utils.resolveURI("/base-dir")
+    val baseDirUri = "/base-dir"
     // without compression
     assert(s"${baseDirUri.toString}/app1" === EventLoggingListener.getLogPath(
       baseDirUri, "app1", None))
@@ -154,7 +153,7 @@ class EventLoggingListenerSuite extends SparkFunSuite with LocalSparkContext wit
     val conf = getLoggingConf(testDirPath, compressionCodec)
     extraConf.foreach { case (k, v) => conf.set(k, v) }
     val logName = compressionCodec.map("test-" + _).getOrElse("test")
-    val eventLogger = new EventLoggingListener(logName, None, testDirPath.toUri(), conf)
+    val eventLogger = new EventLoggingListener(logName, None, testDirPath.toString, conf)
     val listenerBus = new LiveListenerBus(sc)
     val applicationStart = SparkListenerApplicationStart("Greatest App (N)ever", None,
       125L, "Mickey", None)
@@ -190,15 +189,12 @@ class EventLoggingListenerSuite extends SparkFunSuite with LocalSparkContext wit
    * This runs a simple Spark job and asserts that the expected events are logged when expected.
    */
   private def testApplicationEventLogging(compressionCodec: Option[String] = None) {
-    // Set defaultFS to something that would cause an exception, to make sure we don't run
-    // into SPARK-6688.
     val conf = getLoggingConf(testDirPath, compressionCodec)
-      .set("spark.hadoop.fs.defaultFS", "unsupported://example.com")
     sc = new SparkContext("local-cluster[2,2,1024]", "test", conf)
     assert(sc.eventLogger.isDefined)
     val eventLogger = sc.eventLogger.get
     val eventLogPath = eventLogger.logPath
-    val expectedLogDir = testDir.toURI()
+    val expectedLogDir = testDir.getAbsolutePath
     assert(eventLogPath === EventLoggingListener.getLogPath(
       expectedLogDir, sc.applicationId, None, compressionCodec.map(CompressionCodec.getShortName)))
 
@@ -290,7 +286,7 @@ object EventLoggingListenerSuite {
     val conf = new SparkConf
     conf.set("spark.eventLog.enabled", "true")
     conf.set("spark.eventLog.testing", "true")
-    conf.set("spark.eventLog.dir", logDir.toUri.toString)
+    conf.set("spark.eventLog.dir", logDir.toString)
     compressionCodec.foreach { codec =>
       conf.set("spark.eventLog.compress", "true")
       conf.set("spark.io.compression.codec", codec)

core/src/test/scala/org/apache/spark/scheduler/ReplayListenerSuite.scala

@@ -151,7 +151,7 @@ class ReplayListenerSuite extends SparkFunSuite with BeforeAndAfter with LocalSp
    * log the events.
    */
   private class EventMonster(conf: SparkConf)
-    extends EventLoggingListener("test", None, new URI("testdir"), conf) {
+    extends EventLoggingListener("test", None, "test dir", conf) {
 
     override def start() { }