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Posted to dev@flink.apache.org by "William Saar (JIRA)" <ji...@apache.org> on 2015/07/09 13:25:05 UTC
[jira] [Created] (FLINK-2336) ArrayIndexOufOBoundsException in
TypeExtractor when mapping
William Saar created FLINK-2336:
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Summary: ArrayIndexOufOBoundsException in TypeExtractor when mapping
Key: FLINK-2336
URL: https://issues.apache.org/jira/browse/FLINK-2336
Project: Flink
Issue Type: Bug
Affects Versions: master
Reporter: William Saar
The line that causes this is
DataStream<O> outputStream = insideIterationStream.filter(outputFilter).map(m -> m.outputMessage);
Problem occurs both when compiled using Javac and Eclipse's JDT compiler (in an environment where simple lambda type tests work)
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1
at java.util.ArrayList.elementData(Unknown Source)
at java.util.ArrayList.get(Unknown Source)
at org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfoFromInputs(TypeExtractor.java:553)
at org.apache.flink.api.java.typeutils.TypeExtractor.createTypeInfoWithTypeHierarchy(TypeExtractor.java:468)
at org.apache.flink.api.java.typeutils.TypeExtractor.privateCreateTypeInfo(TypeExtractor.java:370)
at org.apache.flink.api.java.typeutils.TypeExtractor.getUnaryOperatorReturnType(TypeExtractor.java:254)
at org.apache.flink.api.java.typeutils.TypeExtractor.getMapReturnTypes(TypeExtractor.java:91)
at org.apache.flink.streaming.api.datastream.DataStream.map(DataStream.java:605)
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