This seems pretty standard: your IntelliJ classpath isn't matched to the
correct ones that are used in spark shell....
Are you using the SBT plugin? If not how are you putting deps into IntelliJ?
> On Nov 20, 2014, at 7:35 PM, Sanjay Subramanian
> <sanjaysubraman...@yahoo.com.INVALID> wrote:
>
> hey guys
>
> I am at AmpCamp 2014 at UCB right now :-)
>
> Funny Issue...
>
> This code works in Spark-Shell but throws a funny exception in IntelliJ
>
> CODE
> ====
> val sqlContext = new org.apache.spark.sql.SQLContext(sc)
> sqlContext.setConf("spark.sql.parquet.binaryAsString", "true")
> val wikiData =
> sqlContext.parquetFile("/Users/sansub01/mycode/knowledge/spark_ampcamp_2014/data/wiki_parquet")
> wikiData.registerTempTable("wikiData")
> sqlContext.sql("SELECT username, COUNT(*) AS cnt FROM wikiData WHERE username
> <> '' GROUP BY username ORDER BY cnt DESC LIMIT
> 10").collect().foreach(println)
>
> RESULTS
> ========
> [Waacstats,2003]
> [Cydebot,949]
> [BattyBot,939]
> [Yobot,890]
> [Addbot,853]
> [Monkbot,668]
> [ChrisGualtieri,438]
> [RjwilmsiBot,387]
> [OccultZone,377]
> [ClueBot NG,353]
>
>
> INTELLIJ CODE
> =============
> object ParquetSql {
> def main(args: Array[String]) {
>
> val sconf = new
> SparkConf().setMaster("local").setAppName("MedicalSideFx-NamesFoodSql")
> val sc = new SparkContext(sconf)
> val sqlContext = new org.apache.spark.sql.SQLContext(sc)
> sqlContext.setConf("spark.sql.parquet.binaryAsString", "true")
> val wikiData =
> sqlContext.parquetFile("/Users/sansub01/mycode/knowledge/spark_ampcamp_2014/data/wiki_parquet")
> wikiData.registerTempTable("wikiData")
> val results = sqlContext.sql("SELECT username, COUNT(*) AS cnt FROM
> wikiData WHERE username <> '' GROUP BY username ORDER BY cnt DESC LIMIT 10")
> results.collect().foreach(println)
> }
>
> }
>
> INTELLIJ ERROR
> ==============
> Exception in thread "main" java.lang.IncompatibleClassChangeError: Found
> interface org.apache.spark.serializer.Serializer, but class was expected
> at
> org.apache.spark.sql.parquet.ParquetFilters$.serializeFilterExpressions(ParquetFilters.scala:244)
> at
> org.apache.spark.sql.parquet.ParquetTableScan.execute(ParquetTableOperations.scala:109)
> at
> org.apache.spark.sql.execution.Filter.execute(basicOperators.scala:57)
> at
> org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1.apply(Aggregate.scala:151)
> at
> org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1.apply(Aggregate.scala:127)
> at
> org.apache.spark.sql.catalyst.errors.package$.attachTree(package.scala:46)
> at org.apache.spark.sql.execution.Aggregate.execute(Aggregate.scala:126)
> at
> org.apache.spark.sql.execution.Exchange$$anonfun$execute$1.apply(Exchange.scala:48)
> at
> org.apache.spark.sql.execution.Exchange$$anonfun$execute$1.apply(Exchange.scala:45)
> at
> org.apache.spark.sql.catalyst.errors.package$.attachTree(package.scala:46)
> at org.apache.spark.sql.execution.Exchange.execute(Exchange.scala:44)
> at
> org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1.apply(Aggregate.scala:151)
> at
> org.apache.spark.sql.execution.Aggregate$$anonfun$execute$1.apply(Aggregate.scala:127)
> at
> org.apache.spark.sql.catalyst.errors.package$.attachTree(package.scala:46)
> at org.apache.spark.sql.execution.Aggregate.execute(Aggregate.scala:126)
> at
> org.apache.spark.sql.execution.TakeOrdered.executeCollect(basicOperators.scala:171)
> at org.apache.spark.sql.SchemaRDD.collect(SchemaRDD.scala:438)
> at org.medicalsidefx.common.utils.ParquetSql$.main(ParquetSql.scala:18)
> at org.medicalsidefx.common.utils.ParquetSql.main(ParquetSql.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 com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
>
>
>
