TheNeuralBit commented on a change in pull request #13448:
URL: https://github.com/apache/beam/pull/13448#discussion_r533048304
##########
File path:
runners/java-fn-execution/src/test/java/org/apache/beam/runners/fnexecution/control/DefaultJobBundleFactoryTest.java
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@@ -459,27 +461,28 @@ public void loadBalancesBundles() throws Exception {
verify(envFactory, Mockito.times(2)).createEnvironment(eq(environment),
any());
long tms = System.currentTimeMillis();
- AtomicBoolean closed = new AtomicBoolean();
- // close to free up environment for another bundle
- TimerTask closeBundleTask =
- new TimerTask() {
- @Override
- public void run() {
- try {
- b2.close();
- closed.set(true);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
- };
- new Timer().schedule(closeBundleTask, 100);
-
+ ScheduledExecutorService executor =
Executors.newSingleThreadScheduledExecutor();
+ ScheduledFuture<Optional<Exception>> closingFuture =
+ executor.schedule(
+ () -> {
+ try {
+ b2.close();
+ return Optional.empty();
+ } catch (Exception e) {
Review comment:
Hm could it be that Future only does that for unchecked exceptions? I
had tried just making this `executor.schedule(b2::close, ..)` but it produces a
compile error:
```
incompatible thrown types Exception in method reference
```
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