Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/970#discussion_r36512933
--- Diff:
flink-core/src/main/java/org/apache/flink/api/common/operators/CollectionExecutor.java
---
@@ -501,4 +536,22 @@ public int getSuperstepNumber() {
return (T) previousAggregates.get(name);
}
}
+
+ private static final class DoingNothing implements Callable<Path>{
+ private Path entry;
+
+ public DoingNothing(Path entry){
+ this.entry = entry;
+ }
+
+ @Override
+ public Path call() throws IOException{
+ try{
+ LocalFileSystem fs = (LocalFileSystem)
entry.getFileSystem();
+ return entry.isAbsolute() ? new
Path(entry.toUri().getPath()): new Path(fs.getWorkingDirectory(),entry);
+ } catch (ClassCastException e){
+ throw new RuntimeException("Collection
execution must have only local file paths");
--- End diff --
dislike this error message, there's is no apparent relation to the
distributed cache.
how about "The DistrbutedCache only supports local files for Collection
Environments."
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