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From Gheorghe Postelnicu <gheorghe.posteln...@gmail.com>
Subject Re: Spark 1.4 RDD to DF fails with toDF()
Date Tue, 08 Sep 2015 06:33:33 GMT
Good point. It is a pre-compiled Spark version. Based on the text on the
downloads page, the answer to your question is no, so I will download the
sources and recompile.

Thanks!

On Tue, Sep 8, 2015 at 5:17 AM, Koert Kuipers <koert@tresata.com> wrote:

> is /opt/spark-1.4.1-bin-hadoop2.6 a spark version compiled with scala
> 2.11?
>
> On Mon, Sep 7, 2015 at 5:29 PM, Gheorghe Postelnicu <
> gheorghe.postelnicu@gmail.com> wrote:
>
>> sbt assembly; $SPARK_HOME/bin/spark-submit --class main.scala.TestMain
>> --master "local[4]" target/scala-2.11/bof-assembly-0.1-SNAPSHOT.jar
>>
>> using Spark:
>>
>> /opt/spark-1.4.1-bin-hadoop2.6
>>
>> On Mon, Sep 7, 2015 at 10:20 PM, Jonathan Coveney <jcoveney@gmail.com>
>> wrote:
>>
>>> How are you building and running it?
>>>
>>>
>>> El lunes, 7 de septiembre de 2015, Gheorghe Postelnicu <
>>> gheorghe.postelnicu@gmail.com> escribió:
>>>
>>>> Interesting idea. Tried that, didn't work. Here is my new SBT file:
>>>>
>>>> name := """testMain"""
>>>>
>>>> scalaVersion := "2.11.6"
>>>>
>>>> libraryDependencies ++= Seq(
>>>>   "org.apache.spark" %% "spark-core" % "1.4.1" % "provided",
>>>>   "org.apache.spark" %% "spark-sql" % "1.4.1" % "provided",
>>>>   "org.scala-lang" % "scala-reflect" % "2.11.6"
>>>> )
>>>>
>>>>
>>>> On Mon, Sep 7, 2015 at 9:55 PM, Jonathan Coveney <jcoveney@gmail.com>
>>>> wrote:
>>>>
>>>>> Try adding the following to your build.sbt
>>>>>
>>>>> libraryDependencies += "org.scala-lang" % "scala-reflect" % "2.11.6"
>>>>>
>>>>>
>>>>> I believe that spark shades the scala library, and this is a library
that it looks like you need in an unshaded way.
>>>>>
>>>>>
>>>>> 2015-09-07 16:48 GMT-04:00 Gheorghe Postelnicu <
>>>>> gheorghe.postelnicu@gmail.com>:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> The following code fails when compiled from SBT:
>>>>>>
>>>>>> package main.scala
>>>>>>
>>>>>> import org.apache.spark.SparkContext
>>>>>> import org.apache.spark.sql.SQLContext
>>>>>>
>>>>>> object TestMain {
>>>>>>   def main(args: Array[String]): Unit = {
>>>>>>     implicit val sparkContext = new SparkContext()
>>>>>>     val sqlContext = new SQLContext(sparkContext)
>>>>>>     import sqlContext.implicits._
>>>>>>     sparkContext.parallelize(1 to 10).map(i => (i,
>>>>>> i.toString)).toDF("intCol", "strCol")
>>>>>>   }
>>>>>> }
>>>>>>
>>>>>> with the following error:
>>>>>>
>>>>>> 15/09/07 21:39:21 INFO BlockManagerMaster: Registered BlockManager
>>>>>> Exception in thread "main" java.lang.NoSuchMethodError:
>>>>>> scala.reflect.api.JavaUniverse.runtimeMirror(Ljava/lang/ClassLoader;)Lscala/reflect/api/JavaUniverse$JavaMirror;
>>>>>> at main.scala.Bof$.main(Bof.scala:14)
>>>>>> at main.scala.Bof.main(Bof.scala)
>>>>>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>>> at
>>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>>>>>> at
>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>> at java.lang.reflect.Method.invoke(Method.java:497)
>>>>>> at
>>>>>> org.apache.spark.deploy.SparkSubmit$.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:665)
>>>>>> at
>>>>>> org.apache.spark.deploy.SparkSubmit$.doRunMain$1(SparkSubmit.scala:170)
>>>>>> at org.apache.spark.deploy.SparkSubmit$.submit(SparkSubmit.scala:193)
>>>>>> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:112)
>>>>>> at org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)
>>>>>> 15/09/07 21:39:22 INFO SparkContext: Invoking stop() from shutdown
>>>>>> hook
>>>>>>
>>>>>> whereas the code above works in a spark shell.
>>>>>>
>>>>>> The code is compiled using Scala 2.11.6 and precompiled Spark 1.4.1
>>>>>>
>>>>>> Any suggestion on how to fix this would be much appreciated.
>>>>>>
>>>>>> Best,
>>>>>> Gheorghe
>>>>>>
>>>>>>
>>>>>
>>>>
>>
>

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