rishi-rana commented on code in PR #20549:
URL: https://github.com/apache/druid/pull/20549#discussion_r4238742726
##########
embedded-tests/src/test/java/org/apache/druid/testing/embedded/indexing/IngestionSmokeTest.java:
##########
@@ -429,22 +429,27 @@ public void test_streamLogs_ofCancelledTask() throws
Exception
.hasDimension(DruidMetrics.TASK_STATUS, "FAILED")
);
- final Optional<InputStream> streamOptional =
- cluster.callApi().waitForResult(
- () -> overlord.bindings()
- .getInstance(TaskLogStreamer.class)
- .streamTaskLog(taskId, 0),
- Optional::isPresent
- ).go();
-
- Assertions.assertTrue(streamOptional.isPresent());
-
- final String logs = IOUtils.toString(streamOptional.get(),
StandardCharsets.UTF_8);
-
final String expectedLogLine = StringUtils.format(
"Running task[%s] for [%d] millis",
taskId, runDurationMillis
);
+
+ // The Indexer serves this task's log over HTTP straight from its own
process log file
+ // (see HttpRemoteTaskRunner#streamTaskLog), so the stream can become
present before the
+ // expected line has actually been written to that file. Poll until the
expected line shows
+ // up, rather than just until the stream is present, to avoid racing
against that lag.
+ final String logs = cluster.callApi().waitForResult(
+ () -> {
+ final Optional<InputStream> streamOptional = overlord.bindings()
+
.getInstance(TaskLogStreamer.class)
+
.streamTaskLog(taskId, 0);
+ return streamOptional.isPresent()
+ ? IOUtils.toString(streamOptional.get(),
StandardCharsets.UTF_8)
Review Comment:
Fixed in 23b4f1cdda — wrapped the stream read in try-with-resources so every
attempt (matched or not) closes its InputStream.
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