Github user FelixNeutatz commented on a diff in the pull request:
https://github.com/apache/incubator-flink/pull/201#discussion_r20670967
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/io/CsvInputFormat.java ---
@@ -130,6 +132,13 @@ public OUT readRecord(OUT reuse, byte[] bytes, int
offset, int numBytes) {
numBytes--;
}
+ //help to prevent null pointer exception in the case of invalid
input
--- End diff --
in DataSourceTask the previous record is used to get the next record:
```java
while (!this.taskCanceled && !format.reachedEnd()) {
// build next pair and ship pair if it is valid
if ((record = format.nextRecord(record)) != null) {
output.collect(record);
}
}
```
The problem is: when there was an invalid record, the function nextRecord
has returned null and the null record will stop the loop to get more records
...
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