Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/2765#discussion_r86813824
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/functions/source/ContinuousFileMonitoringFunction.java
---
@@ -124,6 +124,9 @@ public void open(Configuration parameters) throws
Exception {
@Override
public void run(SourceFunction.SourceContext<TimestampedFileInputSplit>
context) throws Exception {
FileSystem fileSystem = FileSystem.get(new URI(path));
+ if (!fileSystem.exists(new Path(path))) {
+ throw new IOException("The provided file path " + path
+ " does not exist.");
--- End diff --
I think we should throw an `FileNotFoundException` which better reflects
the reason of the error.
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