[SPARK-8368] ClassNotFoundException in closure for map

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.1, 1.5.0
• Component/s: SQL

Environment

Centos 6.5, java 1.7.0_67, scala 2.10.4. Build the project on Windows 7 and run in a spark standalone cluster(or local) mode on Centos 6.X.

• Target Version/s: 1.4.1, 1.5.0
• Assignee: Yin Huai
• Reporter: CHEN Zhiwei
• Shepherd: Andrew Or
• Created: 15/Jun/15 02:47
• Updated: 01/Sep/16 12:24
• Resolved: 19/Jun/15 18:13

Description

After upgraded the cluster from spark 1.3.0 to 1.4.0(rc4), I encountered the following exception:
======begin exception========

Exception in thread "main" java.lang.ClassNotFoundException: com.yhd.ycache.magic.Model$$anonfun$9$$anonfun$10
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:278)
at org.apache.spark.util.InnerClosureFinder$$anon$4.visitMethodInsn(ClosureCleaner.scala:455)
at com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.ClassReader.accept(Unknown Source)
at com.esotericsoftware.reflectasm.shaded.org.objectweb.asm.ClassReader.accept(Unknown Source)
at org.apache.spark.util.ClosureCleaner$.getInnerClosureClasses(ClosureCleaner.scala:101)
at org.apache.spark.util.ClosureCleaner$.org$apache$spark$util$ClosureCleaner$$clean(ClosureCleaner.scala:197)
at org.apache.spark.util.ClosureCleaner$.clean(ClosureCleaner.scala:132)
at org.apache.spark.SparkContext.clean(SparkContext.scala:1891)
at org.apache.spark.rdd.RDD$$anonfun$map$1.apply(RDD.scala:294)
at org.apache.spark.rdd.RDD$$anonfun$map$1.apply(RDD.scala:293)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:148)
at org.apache.spark.rdd.RDDOperationScope$.withScope(RDDOperationScope.scala:109)
at org.apache.spark.rdd.RDD.withScope(RDD.scala:286)
at org.apache.spark.rdd.RDD.map(RDD.scala:293)
at org.apache.spark.sql.DataFrame.map(DataFrame.scala:1210)
at com.yhd.ycache.magic.Model$.main(SSExample.scala:239)
at com.yhd.ycache.magic.Model.main(SSExample.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:664)
at org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:169)
at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:192)
at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:111)
at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)

===============end exception===========

I simplify the code that cause this issue, as following:
==========begin code==================

object Model extends Serializable{
  def main(args: Array[String]) {
    val Array(sql) = args
    val sparkConf = new SparkConf().setAppName("Mode Example")
    val sc = new SparkContext(sparkConf)
    val hive = new HiveContext(sc)
    //get data by hive sql
    val rows = hive.sql(sql)

    val data = rows.map(r => { 
      val arr = r.toSeq.toArray
      val label = 1.0
      def fmap = ( input: Any ) => 1.0
      val feature = arr.map(_=>1.0)
      LabeledPoint(label, Vectors.dense(feature))
    })

    data.count()
  }
}

=====end code===========
This code can run pretty well on spark-shell, but error when submit it to spark cluster (standalone or local mode). I try the same code on spark 1.3.0(local mode), and no exception is encountered.

Issue Links

• is duplicated by: SPARK-8365 pyspark does not retain --packages or --jars passed on the command line as of 1.4.0
• is duplicated by: SPARK-8470 MissingRequirementError for ScalaReflection on user classes
• links to: [Github] Pull Request #6891 (yhuai)
• links to: [Github] Pull Request #6895 (yhuai)