Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/1857#discussion_r58701074
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/ExecutionEnvironment.java ---
@@ -777,7 +777,50 @@ public CsvReader readCsvFile(String filePath) {
throw new IllegalArgumentException("The number of
elements must not be zero.");
}
- return fromCollection(Arrays.asList(data),
TypeExtractor.getForObject(data[0]), Utils.getCallLocationName());
+ TypeInformation<X> typeInfo;
+ try {
+ typeInfo = TypeExtractor.getForObject(data[0]);
+ }
+ catch (Exception e) {
+ throw new RuntimeException("Could not create
TypeInformation for type " + data[0].getClass().getName()
+ + "; please specify the TypeInformation
manually via "
+ +
"StreamExecutionEnvironment#fromCollection(Collection, TypeInformation)");
--- End diff --
This should be ExecutionEnvironment#fromCollection
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