org.apache.spark.util.ChildFirstURLClassLoader Scala Example

Source File: DriverWrapper.scala From drizzle-spark with Apache License 2.0

5 votes

package org.apache.spark.deploy.worker

import java.io.File

import org.apache.spark.{SecurityManager, SparkConf}
import org.apache.spark.rpc.RpcEnv
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader, Utils}


      case workerUrl :: userJar :: mainClass :: extraArgs =>
        val conf = new SparkConf()
        val rpcEnv = RpcEnv.create("Driver",
          Utils.localHostName(), 0, conf, new SecurityManager(conf))
        rpcEnv.setupEndpoint("workerWatcher", new WorkerWatcher(rpcEnv, workerUrl))

        val currentLoader = Thread.currentThread.getContextClassLoader
        val userJarUrl = new File(userJar).toURI().toURL()
        val loader =
          if (sys.props.getOrElse("spark.driver.userClassPathFirst", "false").toBoolean) {
            new ChildFirstURLClassLoader(Array(userJarUrl), currentLoader)
          } else {
            new MutableURLClassLoader(Array(userJarUrl), currentLoader)
          }
        Thread.currentThread.setContextClassLoader(loader)

        // Delegate to supplied main class
        val clazz = Utils.classForName(mainClass)
        val mainMethod = clazz.getMethod("main", classOf[Array[String]])
        mainMethod.invoke(null, extraArgs.toArray[String])

        rpcEnv.shutdown()

      case _ =>
        // scalastyle:off println
        System.err.println("Usage: DriverWrapper <workerUrl> <userJar> <driverMainClass> [options]")
        // scalastyle:on println
        System.exit(-1)
    }
  }
}

Source File: HiveUtilsSuite.scala From XSQL with Apache License 2.0

5 votes

package org.apache.spark.sql.hive

import java.net.URL

import org.apache.hadoop.hive.conf.HiveConf.ConfVars

import org.apache.spark.SparkConf
import org.apache.spark.deploy.SparkHadoopUtil
import org.apache.spark.sql.QueryTest
import org.apache.spark.sql.hive.test.TestHiveSingleton
import org.apache.spark.sql.test.{ExamplePoint, ExamplePointUDT, SQLTestUtils}
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader}

class HiveUtilsSuite extends QueryTest with SQLTestUtils with TestHiveSingleton {

  test("newTemporaryConfiguration overwrites listener configurations") {
    Seq(true, false).foreach { useInMemoryDerby =>
      val conf = HiveUtils.newTemporaryConfiguration(useInMemoryDerby)
      assert(conf(ConfVars.METASTORE_PRE_EVENT_LISTENERS.varname) === "")
      assert(conf(ConfVars.METASTORE_EVENT_LISTENERS.varname) === "")
      assert(conf(ConfVars.METASTORE_END_FUNCTION_LISTENERS.varname) === "")
    }
  }

  test("newTemporaryConfiguration respect spark.hadoop.foo=bar in SparkConf") {
    sys.props.put("spark.hadoop.foo", "bar")
    Seq(true, false) foreach { useInMemoryDerby =>
      val hiveConf = HiveUtils.newTemporaryConfiguration(useInMemoryDerby)
      assert(!hiveConf.contains("spark.hadoop.foo"))
      assert(hiveConf("foo") === "bar")
    }
  }

  test("ChildFirstURLClassLoader's parent is null, get spark classloader instead") {
    val conf = new SparkConf
    val contextClassLoader = Thread.currentThread().getContextClassLoader
    val loader = new ChildFirstURLClassLoader(Array(), contextClassLoader)
    try {
      Thread.currentThread().setContextClassLoader(loader)
      HiveUtils.newClientForMetadata(
        conf,
        SparkHadoopUtil.newConfiguration(conf),
        HiveUtils.newTemporaryConfiguration(useInMemoryDerby = true))
    } finally {
      Thread.currentThread().setContextClassLoader(contextClassLoader)
    }
  }

  test("toHiveString correctly handles UDTs") {
    val point = new ExamplePoint(50.0, 50.0)
    val tpe = new ExamplePointUDT()
    assert(HiveUtils.toHiveString((point, tpe)) === "(50.0, 50.0)")
  }
}

Source File: DriverWrapper.scala From sparkoscope with Apache License 2.0

5 votes

package org.apache.spark.deploy.worker

import java.io.File

import org.apache.spark.{SecurityManager, SparkConf}
import org.apache.spark.rpc.RpcEnv
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader, Utils}


      case workerUrl :: userJar :: mainClass :: extraArgs =>
        val conf = new SparkConf()
        val rpcEnv = RpcEnv.create("Driver",
          Utils.localHostName(), 0, conf, new SecurityManager(conf))
        rpcEnv.setupEndpoint("workerWatcher", new WorkerWatcher(rpcEnv, workerUrl))

        val currentLoader = Thread.currentThread.getContextClassLoader
        val userJarUrl = new File(userJar).toURI().toURL()
        val loader =
          if (sys.props.getOrElse("spark.driver.userClassPathFirst", "false").toBoolean) {
            new ChildFirstURLClassLoader(Array(userJarUrl), currentLoader)
          } else {
            new MutableURLClassLoader(Array(userJarUrl), currentLoader)
          }
        Thread.currentThread.setContextClassLoader(loader)

        // Delegate to supplied main class
        val clazz = Utils.classForName(mainClass)
        val mainMethod = clazz.getMethod("main", classOf[Array[String]])
        mainMethod.invoke(null, extraArgs.toArray[String])

        rpcEnv.shutdown()

      case _ =>
        // scalastyle:off println
        System.err.println("Usage: DriverWrapper <workerUrl> <userJar> <driverMainClass> [options]")
        // scalastyle:on println
        System.exit(-1)
    }
  }
}

Source File: DriverWrapper.scala From SparkCore with Apache License 2.0

5 votes

package org.apache.spark.deploy.worker

import java.io.File

import akka.actor._

import org.apache.spark.{SecurityManager, SparkConf}
import org.apache.spark.util.{AkkaUtils, ChildFirstURLClassLoader, MutableURLClassLoader, Utils}


      case workerUrl :: userJar :: mainClass :: extraArgs =>
        val conf = new SparkConf()
        val (actorSystem, _) = AkkaUtils.createActorSystem("Driver",
          Utils.localHostName(), 0, conf, new SecurityManager(conf))
        actorSystem.actorOf(Props(classOf[WorkerWatcher], workerUrl), name = "workerWatcher")

        val currentLoader = Thread.currentThread.getContextClassLoader
        val userJarUrl = new File(userJar).toURI().toURL()
        val loader =
          if (sys.props.getOrElse("spark.driver.userClassPathFirst", "false").toBoolean) {
            new ChildFirstURLClassLoader(Array(userJarUrl), currentLoader)
          } else {
            new MutableURLClassLoader(Array(userJarUrl), currentLoader)
          }
        Thread.currentThread.setContextClassLoader(loader)

        // Delegate to supplied main class
        val clazz = Class.forName(mainClass, true, loader)
        val mainMethod = clazz.getMethod("main", classOf[Array[String]])
        mainMethod.invoke(null, extraArgs.toArray[String])

        actorSystem.shutdown()

      case _ =>
        System.err.println("Usage: DriverWrapper <workerUrl> <userJar> <driverMainClass> [options]")
        System.exit(-1)
    }
  }
}

Source File: DriverWrapper.scala From multi-tenancy-spark with Apache License 2.0

5 votes

package org.apache.spark.deploy.worker

import java.io.File

import org.apache.spark.{SecurityManager, SparkConf}
import org.apache.spark.rpc.RpcEnv
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader, Utils}


      case workerUrl :: userJar :: mainClass :: extraArgs =>
        val conf = new SparkConf()
        val rpcEnv = RpcEnv.create("Driver",
          Utils.localHostName(), 0, conf, new SecurityManager(conf))
        rpcEnv.setupEndpoint("workerWatcher", new WorkerWatcher(rpcEnv, workerUrl))

        val currentLoader = Thread.currentThread.getContextClassLoader
        val userJarUrl = new File(userJar).toURI().toURL()
        val loader =
          if (sys.props.getOrElse("spark.driver.userClassPathFirst", "false").toBoolean) {
            new ChildFirstURLClassLoader(Array(userJarUrl), currentLoader)
          } else {
            new MutableURLClassLoader(Array(userJarUrl), currentLoader)
          }
        Thread.currentThread.setContextClassLoader(loader)

        // Delegate to supplied main class
        val clazz = Utils.classForName(mainClass)
        val mainMethod = clazz.getMethod("main", classOf[Array[String]])
        mainMethod.invoke(null, extraArgs.toArray[String])

        rpcEnv.shutdown()

      case _ =>
        // scalastyle:off println
        System.err.println("Usage: DriverWrapper <workerUrl> <userJar> <driverMainClass> [options]")
        // scalastyle:on println
        System.exit(-1)
    }
  }
}

Source File: DriverWrapper.scala From iolap with Apache License 2.0

5 votes

package org.apache.spark.deploy.worker

import java.io.File

import org.apache.spark.{SecurityManager, SparkConf}
import org.apache.spark.rpc.RpcEnv
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader, Utils}


      case workerUrl :: userJar :: mainClass :: extraArgs =>
        val conf = new SparkConf()
        val rpcEnv = RpcEnv.create("Driver",
          Utils.localHostName(), 0, conf, new SecurityManager(conf))
        rpcEnv.setupEndpoint("workerWatcher", new WorkerWatcher(rpcEnv, workerUrl))

        val currentLoader = Thread.currentThread.getContextClassLoader
        val userJarUrl = new File(userJar).toURI().toURL()
        val loader =
          if (sys.props.getOrElse("spark.driver.userClassPathFirst", "false").toBoolean) {
            new ChildFirstURLClassLoader(Array(userJarUrl), currentLoader)
          } else {
            new MutableURLClassLoader(Array(userJarUrl), currentLoader)
          }
        Thread.currentThread.setContextClassLoader(loader)

        // Delegate to supplied main class
        val clazz = Class.forName(mainClass, true, loader)
        val mainMethod = clazz.getMethod("main", classOf[Array[String]])
        mainMethod.invoke(null, extraArgs.toArray[String])

        rpcEnv.shutdown()

      case _ =>
        System.err.println("Usage: DriverWrapper <workerUrl> <userJar> <driverMainClass> [options]")
        System.exit(-1)
    }
  }
}

Source File: DriverWrapper.scala From spark1.52 with Apache License 2.0

5 votes

package org.apache.spark.deploy.worker

import java.io.File

import org.apache.spark.{SecurityManager, SparkConf}
import org.apache.spark.rpc.RpcEnv
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader, Utils}


      case workerUrl :: userJar :: mainClass :: extraArgs =>
        val conf = new SparkConf()
        val rpcEnv = RpcEnv.create("Driver",
          Utils.localHostName(), 0, conf, new SecurityManager(conf))
        rpcEnv.setupEndpoint("workerWatcher", new WorkerWatcher(rpcEnv, workerUrl))
        //Thread.currentThread().getContextClassLoader,可以获取当前线程的引用,getContextClassLoader用来获取线程的上下文类加载器
        val currentLoader = Thread.currentThread.getContextClassLoader
        val userJarUrl = new File(userJar).toURI().toURL()
        val loader =
          if (sys.props.getOrElse("spark.driver.userClassPathFirst", "false").toBoolean) {
            new ChildFirstURLClassLoader(Array(userJarUrl), currentLoader)
          } else {
            new MutableURLClassLoader(Array(userJarUrl), currentLoader)
          }
        //Thread.currentThread().getContextClassLoader,可以获取当前线程的引用,getContextClassLoader用来获取线程的上下文类加载器
        Thread.currentThread.setContextClassLoader(loader)

        // Delegate to supplied main class
        //提供给主类的委托
        val clazz = Utils.classForName(mainClass)
        val mainMethod = clazz.getMethod("main", classOf[Array[String]])
        mainMethod.invoke(null, extraArgs.toArray[String])

        rpcEnv.shutdown()

      case _ =>
        // scalastyle:off println
        System.err.println("Usage: DriverWrapper <workerUrl> <userJar> <driverMainClass> [options]")
        // scalastyle:on println
        System.exit(-1)
    }
  }
}

Source File: HiveUtilsSuite.scala From Spark-2.3.1 with Apache License 2.0

5 votes

package org.apache.spark.sql.hive

import java.net.URL

import org.apache.hadoop.hive.conf.HiveConf.ConfVars

import org.apache.spark.SparkConf
import org.apache.spark.deploy.SparkHadoopUtil
import org.apache.spark.sql.QueryTest
import org.apache.spark.sql.hive.test.TestHiveSingleton
import org.apache.spark.sql.test.{ExamplePoint, ExamplePointUDT, SQLTestUtils}
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader}

class HiveUtilsSuite extends QueryTest with SQLTestUtils with TestHiveSingleton {

  test("newTemporaryConfiguration overwrites listener configurations") {
    Seq(true, false).foreach { useInMemoryDerby =>
      val conf = HiveUtils.newTemporaryConfiguration(useInMemoryDerby)
      assert(conf(ConfVars.METASTORE_PRE_EVENT_LISTENERS.varname) === "")
      assert(conf(ConfVars.METASTORE_EVENT_LISTENERS.varname) === "")
      assert(conf(ConfVars.METASTORE_END_FUNCTION_LISTENERS.varname) === "")
    }
  }

  test("newTemporaryConfiguration respect spark.hadoop.foo=bar in SparkConf") {
    sys.props.put("spark.hadoop.foo", "bar")
    Seq(true, false) foreach { useInMemoryDerby =>
      val hiveConf = HiveUtils.newTemporaryConfiguration(useInMemoryDerby)
      assert(!hiveConf.contains("spark.hadoop.foo"))
      assert(hiveConf("foo") === "bar")
    }
  }

  test("ChildFirstURLClassLoader's parent is null, get spark classloader instead") {
    val conf = new SparkConf
    val contextClassLoader = Thread.currentThread().getContextClassLoader
    val loader = new ChildFirstURLClassLoader(Array(), contextClassLoader)
    try {
      Thread.currentThread().setContextClassLoader(loader)
      HiveUtils.newClientForMetadata(
        conf,
        SparkHadoopUtil.newConfiguration(conf),
        HiveUtils.newTemporaryConfiguration(useInMemoryDerby = true))
    } finally {
      Thread.currentThread().setContextClassLoader(contextClassLoader)
    }
  }

  test("toHiveString correctly handles UDTs") {
    val point = new ExamplePoint(50.0, 50.0)
    val tpe = new ExamplePointUDT()
    assert(HiveUtils.toHiveString((point, tpe)) === "(50.0, 50.0)")
  }
}

Source File: DriverWrapper.scala From Spark-2.3.1 with Apache License 2.0

5 votes

package org.apache.spark.deploy.worker

import java.io.File

import org.apache.commons.lang3.StringUtils

import org.apache.spark.{SecurityManager, SparkConf}
import org.apache.spark.deploy.{DependencyUtils, SparkHadoopUtil, SparkSubmit}
import org.apache.spark.internal.Logging
import org.apache.spark.rpc.RpcEnv
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader, Utils}


      case workerUrl :: userJar :: mainClass :: extraArgs =>
        val conf = new SparkConf()
        val host: String = Utils.localHostName()
        val port: Int = sys.props.getOrElse("spark.driver.port", "0").toInt
        val rpcEnv = RpcEnv.create("Driver", host, port, conf, new SecurityManager(conf))
        logInfo(s"Driver address: ${rpcEnv.address}")
        rpcEnv.setupEndpoint("workerWatcher", new WorkerWatcher(rpcEnv, workerUrl))

        val currentLoader = Thread.currentThread.getContextClassLoader
        val userJarUrl = new File(userJar).toURI().toURL()
        val loader =
          if (sys.props.getOrElse("spark.driver.userClassPathFirst", "false").toBoolean) {
            new ChildFirstURLClassLoader(Array(userJarUrl), currentLoader)
          } else {
            new MutableURLClassLoader(Array(userJarUrl), currentLoader)
          }
        Thread.currentThread.setContextClassLoader(loader)
        setupDependencies(loader, userJar)

        // Delegate to supplied main class
        val clazz = Utils.classForName(mainClass)
        val mainMethod = clazz.getMethod("main", classOf[Array[String]])
        mainMethod.invoke(null, extraArgs.toArray[String])

        rpcEnv.shutdown()

      case _ =>
        // scalastyle:off println
        System.err.println("Usage: DriverWrapper <workerUrl> <userJar> <driverMainClass> [options]")
        // scalastyle:on println
        System.exit(-1)
    }
  }

  private def setupDependencies(loader: MutableURLClassLoader, userJar: String): Unit = {
    val sparkConf = new SparkConf()
    val secMgr = new SecurityManager(sparkConf)
    val hadoopConf = SparkHadoopUtil.newConfiguration(sparkConf)

    val Seq(packagesExclusions, packages, repositories, ivyRepoPath, ivySettingsPath) =
      Seq(
        "spark.jars.excludes",
        "spark.jars.packages",
        "spark.jars.repositories",
        "spark.jars.ivy",
        "spark.jars.ivySettings"
      ).map(sys.props.get(_).orNull)

    val resolvedMavenCoordinates = DependencyUtils.resolveMavenDependencies(packagesExclusions,
      packages, repositories, ivyRepoPath, Option(ivySettingsPath))
    val jars = {
      val jarsProp = sys.props.get("spark.jars").orNull
      if (!StringUtils.isBlank(resolvedMavenCoordinates)) {
        SparkSubmit.mergeFileLists(jarsProp, resolvedMavenCoordinates)
      } else {
        jarsProp
      }
    }
    val localJars = DependencyUtils.resolveAndDownloadJars(jars, userJar, sparkConf, hadoopConf,
      secMgr)
    DependencyUtils.addJarsToClassPath(localJars, loader)
  }
}

Source File: DriverWrapper.scala From BigDatalog with Apache License 2.0

5 votes

package org.apache.spark.deploy.worker

import java.io.File

import org.apache.spark.{SecurityManager, SparkConf}
import org.apache.spark.rpc.RpcEnv
import org.apache.spark.util.{ChildFirstURLClassLoader, MutableURLClassLoader, Utils}


      case workerUrl :: userJar :: mainClass :: extraArgs =>
        val conf = new SparkConf()
        val rpcEnv = RpcEnv.create("Driver",
          Utils.localHostName(), 0, conf, new SecurityManager(conf))
        rpcEnv.setupEndpoint("workerWatcher", new WorkerWatcher(rpcEnv, workerUrl))

        val currentLoader = Thread.currentThread.getContextClassLoader
        val userJarUrl = new File(userJar).toURI().toURL()
        val loader =
          if (sys.props.getOrElse("spark.driver.userClassPathFirst", "false").toBoolean) {
            new ChildFirstURLClassLoader(Array(userJarUrl), currentLoader)
          } else {
            new MutableURLClassLoader(Array(userJarUrl), currentLoader)
          }
        Thread.currentThread.setContextClassLoader(loader)

        // Delegate to supplied main class
        val clazz = Utils.classForName(mainClass)
        val mainMethod = clazz.getMethod("main", classOf[Array[String]])
        mainMethod.invoke(null, extraArgs.toArray[String])

        rpcEnv.shutdown()

      case _ =>
        // scalastyle:off println
        System.err.println("Usage: DriverWrapper <workerUrl> <userJar> <driverMainClass> [options]")
        // scalastyle:on println
        System.exit(-1)
    }
  }
}

org.apache.spark.util.ChildFirstURLClassLoader Scala Examples