vrozov commented on code in PR #52373:
URL: https://github.com/apache/spark/pull/52373#discussion_r2370738117
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core/src/test/scala/org/apache/spark/util/UninterruptibleThreadSuite.scala:
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@@ -28,50 +28,67 @@ import org.apache.spark.SparkFunSuite
class UninterruptibleThreadSuite extends SparkFunSuite {
- /** Sleep millis and return true if it's interrupted */
+ /* Sleep millis and return true if it's interrupted */
private def sleep(millis: Long): Boolean = {
try {
Thread.sleep(millis)
false
} catch {
- case _: InterruptedException =>
+ case e: InterruptedException =>
+ log.error("Thread interrupted during sleep", e)
+ true
+ }
+ }
+
+ /* Await latch and return true if it's interrupted */
+ private def await(latch: CountDownLatch, timeout: Long = 10,
+ timeUnit: TimeUnit = TimeUnit.SECONDS): Boolean = {
+ try {
+ if (!latch.await(timeout, timeUnit)) {
+ log.error("timeout while waiting for the latch")
Review Comment:
When `await` is used not in the main test thread, `fail()` does not cause
thread to fail, it terminates the thread with `TestFailedException` (that is
logged to stderr). And when this happens test fails as other conditions are not
met. The `log.error()` logs to `unit-tests.log`, so there is no duplication of
the error message. Note that in this case, the code is similar to:
```
log.error("message")
throw new Exception("message")
```
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