[jira] [Created] (SPARK-10550) SQLListener error constructing extended SQLContext

["shao lo (JIRA)" <ji...@apache.org>]

shao lo created SPARK-10550:
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             Summary: SQLListener error constructing extended SQLContext 
                 Key: SPARK-10550
                 URL: https://issues.apache.org/jira/browse/SPARK-10550
             Project: Spark
          Issue Type: Bug
    Affects Versions: 1.5.0
            Reporter: shao lo


With spark 1.4.1 I was able to created a custom SQLContext class.  With spark 1.5.0, I now get an error  calling the super class constructor.  The problem is related to this new code that was added between 1.4.1 and 1.5.0

  // `listener` should be only used in the driver
  @transient private[sql] val listener = new SQLListener(this)
  sparkContext.addSparkListener(listener)
  sparkContext.ui.foreach(new SQLTab(this, _))

..which generates 
Exception in thread "main" java.lang.NullPointerException
	at org.apache.spark.sql.execution.ui.SQLListener.<init>(SQLListener.scala:34)
	at org.apache.spark.sql.SQLContext.<init>(SQLContext.scala:77)




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