[FLINK-6652] Problem with DelimitedInputFormat

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.2.1
• Fix Version/s: 1.2.2, 1.3.1, 1.4.0
• Component/s: API / DataSet
• Assignee: Fabian Hueske
• Reporter: Moritz Schubotz
• Created: 21/May/17 07:25
• Updated: 28/Feb/19 13:46
• Resolved: 20/Jun/17 15:13

Description

After upgrading from Flink 1.2.0 to 1.2.1 I got the following error
```
07:54:52,395 ERROR org.apache.flink.api.common.io.DelimitedInputFormat - Unexpected problen while getting the file statistics for file 'mytestfile': -1
java.lang.ArrayIndexOutOfBoundsException: -1
at org.apache.flink.api.common.io.DelimitedInputFormat.readLine(DelimitedInputFormat.java:572)
at org.apache.flink.api.common.io.DelimitedInputFormat.getStatistics(DelimitedInputFormat.java:423)
at org.apache.flink.api.common.io.DelimitedInputFormat.getStatistics(DelimitedInputFormat.java:48)
at org.apache.flink.optimizer.dag.DataSourceNode.computeOperatorSpecificDefaultEstimates(DataSourceNode.java:166)
```
I have created a test repo to isolate the issue here
https://github.com/physikerwelt/flinkReadTest
and reproduced the bug using travis
https://travis-ci.org/physikerwelt/flinkReadTest

Issue Links

• links to: GitHub Pull Request #4088