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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2016/03/22 16:29:25 UTC
[jira] [Resolved] (FLINK-2101) Scheme Inference doesn't work for
Tuple5
[ https://issues.apache.org/jira/browse/FLINK-2101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Metzger resolved FLINK-2101.
-----------------------------------
Resolution: Won't Fix
The TypeInformationSerializationSchema is now expecting a TypeInformation created by the user, which will make it more obvious why the error is occurring.
> Scheme Inference doesn't work for Tuple5
> ----------------------------------------
>
> Key: FLINK-2101
> URL: https://issues.apache.org/jira/browse/FLINK-2101
> Project: Flink
> Issue Type: Bug
> Components: Kafka Connector
> Affects Versions: 0.10.0
> Reporter: Rico Bergmann
> Assignee: Robert Metzger
>
> Calling addSink(new KafkaSink<Tuple5<String, String, String, Long, Double>>(
> "localhost:9092",
> "webtrends.ec1601",
> new Utils.TypeInformationSerializationSchema<Tuple5<String, String, String, Long, Double>>(
> new Tuple5<String, String, String, Long, Double>(),
> env.getConfig())));
> gives me an Exception stating, that the generic type infos are not given.
> Exception in thread "main" org.apache.flink.api.common.functions.InvalidTypesException: Tuple needs to be parameterized by using generics.
> at org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfoWithTypeHierarchy(TypeExtractor.java:396)
> at org.apache.flink.api.java.typeutils.TypeExtractor.privateCreateTypeInfo(TypeExtractor.java:339)
> at org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfo(TypeExtractor.java:318)
> at org.apache.flink.api.java.typeutils.ObjectArrayTypeInfo.<init>(ObjectArrayTypeInfo.java:45)
> at org.apache.flink.api.java.typeutils.ObjectArrayTypeInfo.getInfoFor(ObjectArrayTypeInfo.java:167)
> at org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1150)
> at org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForClass(TypeExtractor.java:1122)
> at org.apache.flink.api.java.typeutils.TypeExtractor.privateGetForObject(TypeExtractor.java:1476)
> at org.apache.flink.api.java.typeutils.TypeExtractor.getForObject(TypeExtractor.java:1446)
> at org.apache.flink.streaming.connectors.kafka.Utils$TypeInformationSerializationSchema.<init>(Utils.java:37)
> at de.otto.streamexample.WCExample.main(WCExample.java:132)
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