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Posted to dev@crunch.apache.org by "Tom White (JIRA)" <ji...@apache.org> on 2015/09/21 15:05:04 UTC

[jira] [Commented] (CRUNCH-561) Scrunch case classes fail in the REPL

    [ https://issues.apache.org/jira/browse/CRUNCH-561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14900618#comment-14900618 ] 

Tom White commented on CRUNCH-561:
----------------------------------

To reproduce, run the following in a scala REPL (construct the classpath to pass to {{scala}} from {{mvn dependency:build-classpath}}, plus {{$CRUNCH_HOME/crunch/crunch-core/target/classes:$CRUNCH_HOME/crunch/crunch-scrunch/target/classes}}):

{noformat}
import org.apache.crunch.io.From 
import org.apache.crunch.scrunch.Avros 
case class MyReplClass(x: Int)
From.avroFile("/tmp/scrunch", Avros.caseClasses[MyReplClass])
{noformat}

The failure is

{noformat}
java.lang.ClassNotFoundException: 
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:274)
	at scala.reflect.runtime.JavaMirrors$JavaMirror.javaClass(JavaMirrors.scala:500)
	at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$classToJava$1.apply(JavaMirrors.scala:1167)
	at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$classToJava$1.apply(JavaMirrors.scala:1159)
	at scala.reflect.runtime.TwoWayCache.toJava(TwoWayCache.scala:49)
	at scala.reflect.runtime.JavaMirrors$JavaMirror.classToJava(JavaMirrors.scala:1159)
	at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$classToJava$1.apply(JavaMirrors.scala:1174)
	at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$classToJava$1.apply(JavaMirrors.scala:1159)
	at scala.reflect.runtime.TwoWayCache.toJava(TwoWayCache.scala:49)
	at scala.reflect.runtime.JavaMirrors$JavaMirror.classToJava(JavaMirrors.scala:1159)
	at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$classToJava$1.apply(JavaMirrors.scala:1174)
	at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$classToJava$1.apply(JavaMirrors.scala:1159)
	at scala.reflect.runtime.TwoWayCache.toJava(TwoWayCache.scala:49)
	at scala.reflect.runtime.JavaMirrors$JavaMirror.classToJava(JavaMirrors.scala:1159)
	at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$classToJava$1.apply(JavaMirrors.scala:1174)
	at scala.reflect.runtime.JavaMirrors$JavaMirror$$anonfun$classToJava$1.apply(JavaMirrors.scala:1159)
	at scala.reflect.runtime.TwoWayCache.toJava(TwoWayCache.scala:49)
	at scala.reflect.runtime.JavaMirrors$JavaMirror.classToJava(JavaMirrors.scala:1159)
	at scala.reflect.runtime.JavaMirrors$JavaMirror.typeToJavaClass(JavaMirrors.scala:1255)
	at scala.reflect.runtime.JavaMirrors$JavaMirror.runtimeClass(JavaMirrors.scala:202)
	at scala.reflect.runtime.JavaMirrors$JavaMirror.runtimeClass(JavaMirrors.scala:65)
	at org.apache.crunch.scrunch.PTypeFamily$class.products(PTypeFamily.scala:243)
{noformat}

> Scrunch case classes fail in the REPL
> -------------------------------------
>
>                 Key: CRUNCH-561
>                 URL: https://issues.apache.org/jira/browse/CRUNCH-561
>             Project: Crunch
>          Issue Type: Bug
>          Components: Scrunch
>    Affects Versions: 0.12.0
>            Reporter: Tom White
>
> Calling {{Avros.caseClasses[MyReplClass]}} where {{MyReplClass}} was defined in the REPL throws a {{ClassNotFoundException}}.



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