java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class

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Samebug tips

,

you can change your scala version to 2.11.11

,
Expert tip

A few things cause this exception:
1) Check if you have all jars and if they're in the correct path.
2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

Solutions on the web

via GitHub by michaelqiu94
, 1 year ago
scala/collection/GenTraversableOnce$class
via gmane.org by Unknown author, 1 year ago
via Google Groups by Deepak Subhramanian, 1 year ago
scala/collection/GenTraversableOnce$class
via gmane.org by Unknown author, 2 years ago
java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.elasticsearch.spark.rdd.AbstractEsRDDIterator.(AbstractEsRDDIterator.scala:10)
at org.elasticsearch.spark.sql.ScalaEsRowRDDIterator.(ScalaEsRowRDD.scala:31)
at org.elasticsearch.spark.sql.ScalaEsRowRDD.compute(ScalaEsRowRDD.scala:27)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)
at org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:319)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:283)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:70)
at org.apache.spark.scheduler.Task.run(Task.scala:85)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)

Users with the same issue

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Once, 1 year ago
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Once, 1 year ago
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Once, 1 year ago
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