Github user nekrassov commented on a diff in the pull request:
https://github.com/apache/flink/pull/6247#discussion_r200369787
--- Diff: flink-examples/flink-examples-streaming/src/main/java/org/apache/flink/streaming/examples/async/AsyncIOExample.java
---
@@ -179,7 +179,7 @@ public void close() throws Exception {
@Override
public void asyncInvoke(final Integer input, final ResultFuture<String> resultFuture)
throws Exception {
- this.executorService.submit(new Runnable() {
+ executorService.submit(new Runnable() {
--- End diff --
Did you mean to write "ExecutorService" - with the capital 'E'?
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