Created
November 11, 2014 18:27
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ISpark error
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In [1]: case class Circle(rad:Float) | |
In [2]: val rdd = sc.parallelize(1 to 10000).map(i=>Circle(i.toFloat)) | |
Out[2]: MappedRDD[1] at map at <console>:11 | |
In [3]: rdd.take(10) | |
14/11/11 13:03:35 ERROR TaskResultGetter: Exception while getting task result | |
com.esotericsoftware.kryo.KryoException: Unable to find class: [L$line5.$read$$iwC$$iwC$Circle; | |
at com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:138) | |
at com.esotericsoftware.kryo.util.DefaultClassResolver.readClass(DefaultClassResolver.java:115) | |
at com.esotericsoftware.kryo.Kryo.readClass(Kryo.java:610) | |
at com.esotericsoftware.kryo.Kryo.readClassAndObject(Kryo.java:721) | |
at org.apache.spark.serializer.KryoSerializerInstance.deserialize(KryoSerializer.scala:162) | |
at org.apache.spark.scheduler.DirectTaskResult.value(TaskResult.scala:79) | |
at org.apache.spark.scheduler.TaskSetManager.handleSuccessfulTask(TaskSetManager.scala:514) | |
at org.apache.spark.scheduler.TaskSchedulerImpl.handleSuccessfulTask(TaskSchedulerImpl.scala:355) | |
at org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply$mcV$sp(TaskResultGetter.scala:68) | |
at org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply(TaskResultGetter.scala:47) | |
at org.apache.spark.scheduler.TaskResultGetter$$anon$2$$anonfun$run$1.apply(TaskResultGetter.scala:47) | |
at org.apache.spark.util.Utils$.logUncaughtExceptions(Utils.scala:1314) | |
at org.apache.spark.scheduler.TaskResultGetter$$anon$2.run(TaskResultGetter.scala:46) | |
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) | |
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) | |
at java.lang.Thread.run(Thread.java:745) | |
Caused by: java.lang.ClassNotFoundException: $line5.$read$$iwC$$iwC$Circle | |
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 java.lang.ClassLoader.loadClass(ClassLoader.java:358) | |
at java.lang.Class.forName0(Native Method) | |
at java.lang.Class.forName(Class.java:270) | |
at com.esotericsoftware.kryo.util.DefaultClassResolver.readName(DefaultClassResolver.java:136) | |
... 15 more |
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With Kryo serialization disabled...