sshahar1 commented on issue #21882:
URL: https://github.com/apache/beam/issues/21882#issuecomment-1296762899
> Not familiar with kotlin, but cannot reproduce this with Java code
snippet, using either release-2.39.0 or master. Setting a log in the referred
method, confirmed that the method was evaluated.
>
> ```java
> @Test
> public void TestWriteUsingWindow() throws Exception {
> String tableName = DatabaseTestHelper.getTestTableName("UT_WRITE");
> DatabaseTestHelper.createTable(DATA_SOURCE, tableName);
>
> pipeline.apply("Generate Periodic Impulse",
>
PeriodicImpulse.create().startAt(Instant.now()).stopAt(Instant.now().plus(Duration.standardSeconds(14))).withInterval(Duration.standardSeconds(5)))
> .apply("Generate Records", ParDo.of(
> new DoFn<Instant, KV<Integer, String>>() {
> @ProcessElement
> public void processElement(ProcessContext context) {
> ArrayList<KV<Integer, String>> data = getDataToWrite(10);
> for(KV<Integer, String> datum: data) {
> context.output(datum);
> }
> }
> }))
> .apply(
> "WaitForLines",
> Window.<KV<Integer,
String>>into(FixedWindows.of(Duration.standardSeconds(5)))
> .triggering(AfterWatermark.pastEndOfWindow())
> .discardingFiredPanes()
> .withAllowedLateness(Duration.ZERO))
> .apply(getJdbcWrite(tableName));
>
> pipeline.run();
>
> assertRowCount(DATA_SOURCE, tableName, 3*10);
> DatabaseTestHelper.deleteTable(DATA_SOURCE, tableName);
> }
> ```
>
> The test passed. For Kotlin then likely due to compiler not correctly
infer the signature of `FinishBundleContext.output` here? In DoFn class it has
a type of BoundedWindow. Both GlobalWindow and IntervalWindow can be cast to
BoundedWindow.
I checked the decompiled code, I don't see anything that can cause this
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