edoardocomar commented on code in PR #15530:
URL: https://github.com/apache/kafka/pull/15530#discussion_r1526237310
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core/src/test/scala/unit/kafka/server/KafkaServerTest.scala:
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@@ -42,6 +42,32 @@ class KafkaServerTest extends QuorumTestHarness {
TestUtils.shutdownServers(Seq(server1, server2))
}
+ @Test
+ def testListenerPortAlreadyInUse(): Unit = {
+ val serverSocket = new ServerSocket(0, 0, InetAddress.getLoopbackAddress)
+ val thread = new Thread {
+ override def run : Unit = {
+ while (true) {
+ serverSocket.accept()
+ }
+ }
+ }
+ thread.start()
Review Comment:
good catch, thanks @showuon
Actually there's no need for the socket to accept connections, it's enough
for it to be bound.
It should be bound at creation, but in any case I enclosed a wait.
I also clean up in a more idiomatic way now.
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