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https://issues.apache.org/jira/browse/SPARK-22393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16258468#comment-16258468
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Mark Petruska commented on SPARK-22393:
---------------------------------------
With the 2.12 build:
{code}
import org.apache.spark.Partition
{code}
|| Code || Result ||
| {code} class P(p: Partition) {code} | {color:green} OK {color} |
| {code} class P(val index: Int) extends Partition {code} | {color:green} OK
{color} |
| {code} var p: Partition = _ {code} | {color:green} OK {color} |
| {code} def a(p: Partition): Int = 0 {code} | {color:green} OK {color} |
| {code} def a(): Partition = p {code} | {color:green} OK {color} |
| {code}
object P {
class P(p: Partition)
} {code} | {color:green} OK {color} |
| {code}
:paste
import org.apache.spark.Partition
class P(p: Partition)
{code} | {color:green} OK {color} |
| {code}
type Partition = org.apache.spark.Partition
class P(p: Partition)
{code} | {color:green} OK {color} |
To start spark shell 2.12 and the underlying scala repl with _trace_, _info_
and _debug_ settings:
{code}
$JAVA_HOME/bin/java -cp
$SPARK_HOME/conf/:$SPARK_HOME/assembly/target/scala-2.11/jars/*
-Dscala.usejavacp=true -Dscala.repl.trace=true -Dscala.repl.info=true
-Dscala.repl.debug=true -Dscala.repl.prompt="spark>>> " -Xmx1g
org.apache.spark.deploy.SparkSubmit --class org.apache.spark.repl.Main --name
"Spark shell" spark-shell
{code}
> spark-shell can't find imported types in class constructors, extends clause
> ---------------------------------------------------------------------------
>
> Key: SPARK-22393
> URL: https://issues.apache.org/jira/browse/SPARK-22393
> Project: Spark
> Issue Type: Bug
> Components: Spark Shell
> Affects Versions: 2.0.2, 2.1.2, 2.2.0
> Reporter: Ryan Williams
> Priority: Minor
>
> {code}
> $ spark-shell
> …
> scala> import org.apache.spark.Partition
> import org.apache.spark.Partition
> scala> class P(p: Partition)
> <console>:11: error: not found: type Partition
> class P(p: Partition)
> ^
> scala> class P(val index: Int) extends Partition
> <console>:11: error: not found: type Partition
> class P(val index: Int) extends Partition
> ^
> {code}
> Any class that I {{import}} gives "not found: type ___" when used as a
> parameter to a class, or in an extends clause; this applies to classes I
> import from JARs I provide via {{--jars}} as well as core Spark classes as
> above.
> This worked in 1.6.3 but has been broken since 2.0.0.
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