spark-shell - How to avoid suppressing of elided stack trace (Exceptions)

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I am trying to run on of my scala file from spark-shell. This file calling some other jar files which have already been loaded into spark-context

The problem is if something fails, it only prints the part of the stacktrace. Is there any way I can enable whole stacktrace? 

myclassn: ClassifyFields : queryDb -> Problems extracting from DB
  at myclass.queryDb(ClassifyFields.java:231)
  at myclass.getColumnsWithKeys(ClassifyFields.java:258)
  ... 78 elided
spark-shell apache-spark scala
1 Answers

set the below value to zero.

vals.isettings.maxPrintString=0

like the example below

scala> :power
Power mode enabled. :phase is at typer.
import scala.tools.nsc._, intp.global._, definitions._
Try :help or completions for vals._ and power._

scala> vals.isettings.maxPrintString
res0: Int = 800

scala> vals.isettings.maxPrintString=0
vals.isettings.maxPrintString: Int = 0

scala> vals.isettings.maxPrintString
res1: Int = 0

or after exception happened use the below 

lastException.printStackTrace
user_6470530
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