RocMarshal commented on code in PR #22845:
URL: https://github.com/apache/flink/pull/22845#discussion_r1242033699
##########
flink-runtime/src/main/java/org/apache/flink/runtime/source/coordinator/SourceCoordinator.java:
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@@ -270,8 +269,9 @@ public void start() throws Exception {
@Override
public void close() throws Exception {
LOG.info("Closing SourceCoordinator for source {}.", operatorName);
+ closeQuietly(context);
if (started) {
- closeAll(asList(context, enumerator), Throwable.class);
+ closeQuietly(enumerator);
Review Comment:
Could we force constraints on the order of closing `context` and
`enumerator` as follows:
Because `context` was used by `enumerator`, This is a bit like the close
order in the I/O mechanism.
```
if (started) {
closeQuietly(enumerator);
}
closeQuietly(context);
```
Although not doing so will not result in semantic errors.
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