Felix Neutatz created FLINK-1820:
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Summary: Bug in DoubleParser and FloatParser - empty String is not casted to 0
Key: FLINK-1820
URL:
https://issues.apache.org/jira/browse/FLINK-1820 Project: Flink
Issue Type: Bug
Components: core
Affects Versions: 0.8.1, 0.8.0, 0.9
Reporter: Felix Neutatz
Assignee: Felix Neutatz
Priority: Critical
Fix For: 0.9
Hi,
I found the bug, when I wanted to read a csv file, which had a line like:
"||\n"
If I treat it as a Tuple2<Long,Long>, I get as expected a tuple (0L,0L).
But if I want to read it into a Double-Tuple or a Float-Tuple, I get the following error:
java.lang.AssertionError: Test failed due to a org.apache.flink.api.common.io.ParseException: Line could not be parsed: '||'
ParserError NUMERIC_VALUE_FORMAT_ERROR
This error can be solved by adding an additional condition for empty strings in the FloatParser / DoubleParser.
We definitly need the CSVReader to be able to read "empty values".
I can fix it like described if there are no better ideas :)
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