Hi,
The CSV only supports the types listed in [1] and must use the types in
this list, thus for other types some kind of workaround is needed, like first
parsed as string and parsed again later in the program.
Best,
Yun
[1]
https://github.com/apache/flink/blob/e10e548feb2bedf54c3863bbd49ed4f9140546cf/flink-core/src/main/java/org/apache/flink/types/parser/FieldParser.java#L287
------------------Original Mail ------------------
Sender:narasimha <swamy.haj...@gmail.com>
Send Date:Fri Dec 4 00:45:53 2020
Recipients:user <user@flink.apache.org>
Subject:How to parse list values in csv file
Hi,
Getting below error when trying to read a csv file, one of the field is list
tupe
Can someone help if fixing the issue
jobmanager_1 | Caused by: java.lang.IllegalArgumentException: The type
'java.util.List' is not supported for the CSV input format.
jobmanager_1 | at
org.apache.flink.api.common.io.GenericCsvInputFormat.setFieldsGeneric(GenericCsvInputFormat.java:289)
~[flink-dist_2.11-1.11.2.jar:1.11.2]
jobmanager_1 | at
org.apache.flink.api.java.io.RowCsvInputFormat.<init>(RowCsvInputFormat.java:67)
~[flink-dist_2.11-1.11.2.jar:1.11.2]
jobmanager_1 | at
org.apache.flink.api.java.io.RowCsvInputFormat.<init>(RowCsvInputFormat.java:83)
~[flink-dist_2.11-1.11.2.jar:1.11.2]
jobmanager_1 | at
org.apache.flink.api.java.io.RowCsvInputFormat.<init>(RowCsvInputFormat.java:87)
~[flink-dist_2.11-1.11.2.jar:1.11.2]
--
A.Narasimha Swamy
