[
https://issues.apache.org/jira/browse/FLINK-1306?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Aljoscha Krettek reassigned FLINK-1306:
---------------------------------------
Assignee: Aljoscha Krettek
> Scala API does not support standard sets
> ----------------------------------------
>
> Key: FLINK-1306
> URL: https://issues.apache.org/jira/browse/FLINK-1306
> Project: Flink
> Issue Type: Bug
> Components: Scala API
> Affects Versions: 0.7.0-incubating
> Reporter: Sebastian Schelter
> Assignee: Aljoscha Krettek
>
> I'm trying to use the standard scala sets in Flinks Scala API, unfortunately
> they don't seem to be supported...
> What can I do to be able to use sets in my UDFs?
> {noformat}
> Exception in thread "main"
> org.apache.flink.api.common.functions.InvalidTypesException: Interfaces and
> abstract classes are not valid types: interface scala.collection.immutable.Set
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:871)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:863)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfoWithTypeHierarchy(TypeExtractor.java:406)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.privateCreateTypeInfo(TypeExtractor.java:197)
> at
> org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfo(TypeExtractor.java:184)
> at
> io.ssc.trackthetrackers.analysis.preparation.ExtractTrackingGraph$$anon$3.<init>(ExtractTrackingGraph.scala:67)
> at
> io.ssc.trackthetrackers.analysis.preparation.ExtractTrackingGraph$.fromParsedPages(ExtractTrackingGraph.scala:67)
> at
> io.ssc.trackthetrackers.analysis.preparation.ExtractTrackingGraph$delayedInit$body.apply(ExtractTrackingGraph.scala:28)
> at scala.Function0$class.apply$mcV$sp(Function0.scala:40)
> at
> scala.runtime.AbstractFunction0.apply$mcV$sp(AbstractFunction0.scala:12)
> at scala.App$$anonfun$main$1.apply(App.scala:71)
> at scala.App$$anonfun$main$1.apply(App.scala:71)
> at scala.collection.immutable.List.foreach(List.scala:318)
> at
> scala.collection.generic.TraversableForwarder$class.foreach(TraversableForwarder.scala:32)
> at scala.App$class.main(App.scala:71)
> at
> io.ssc.trackthetrackers.analysis.preparation.ExtractTrackingGraph$.main(ExtractTrackingGraph.scala:26)
> at
> io.ssc.trackthetrackers.analysis.preparation.ExtractTrackingGraph.main(ExtractTrackingGraph.scala)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
> {noformat}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
