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Posted to issues@spark.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2015/06/27 00:20:04 UTC

[jira] [Assigned] (SPARK-8623) Some queries in spark-sql lead to NullPointerException when using Yarn

     [ https://issues.apache.org/jira/browse/SPARK-8623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sandy Ryza reassigned SPARK-8623:
---------------------------------

    Assignee: Sandy Ryza

> Some queries in spark-sql lead to NullPointerException when using Yarn
> ----------------------------------------------------------------------
>
>                 Key: SPARK-8623
>                 URL: https://issues.apache.org/jira/browse/SPARK-8623
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.5.0
>         Environment: Hadoop 2.6, Kerberos
>            Reporter: Bolke de Bruin
>            Assignee: Sandy Ryza
>
> The following query was executed using "spark-sql --master yarn-client" on 1.5.0-SNAPSHOT:
> select * from wcs.geolite_city limit 10;
> This lead to the following error:
> 15/06/25 09:38:37 WARN scheduler.TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0, lxhnl008.ad.ing.net): java.lang.NullPointerException
> 	at org.apache.hadoop.conf.Configuration.<init>(Configuration.java:693)
> 	at org.apache.hadoop.mapred.JobConf.<init>(JobConf.java:442)
> 	at org.apache.hadoop.mapreduce.Job.<init>(Job.java:131)
> 	at org.apache.spark.sql.sources.SqlNewHadoopRDD.getJob(SqlNewHadoopRDD.scala:83)
> 	at org.apache.spark.sql.sources.SqlNewHadoopRDD.getConf(SqlNewHadoopRDD.scala:89)
> 	at org.apache.spark.sql.sources.SqlNewHadoopRDD$$anon$1.<init>(SqlNewHadoopRDD.scala:127)
> 	at org.apache.spark.sql.sources.SqlNewHadoopRDD.compute(SqlNewHadoopRDD.scala:124)
> 	at org.apache.spark.sql.sources.SqlNewHadoopRDD.compute(SqlNewHadoopRDD.scala:66)
> 	at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:277)
> This does not happen in every case, ie. some queries execute fine, and it is unclear why.
> Using just "spark-sql" the query executes fine as well and thus the issue seems to rely in the communication with Yarn. Also the query executes fine (with yarn) in spark-shell.



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