Github user StephanEwen commented on a diff in the pull request:
https://github.com/apache/flink/pull/699#discussion_r30710411
--- Diff: flink-java/src/main/java/org/apache/flink/api/java/DataSet.java
---
@@ -1336,11 +1335,17 @@ public long count() throws Exception {
/**
* Writes a DataSet to the standard output stream (stdout).<br/>
* For each element of the DataSet the result of {@link
Object#toString()} is written.
- *
- * @return The DataSink that writes the DataSet.
+ * This triggers execute() automatically.
*/
- public DataSink<T> print() {
- return output(new PrintingOutputFormat<T>(false));
+ public void print() throws Exception{
+ try {
--- End diff --
How about removing this try/catch block?
We are getting a very deep nesting of exceptions already. Not sure this
wrapping exception adds any information. Why not let the
"ProgramInvokationFailed" exception from the execution propagate?
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