Ted Yu created KAFKA-6531: ----------------------------- Summary: SocketServerTest#closingChannelException fails sometimes Key: KAFKA-6531 URL: https://issues.apache.org/jira/browse/KAFKA-6531 Project: Kafka Issue Type: Test Reporter: Ted Yu
>From >https://builds.apache.org/job/kafka-trunk-jdk9/361/testReport/junit/kafka.network/SocketServerTest/closingChannelException/ > : {code} java.lang.AssertionError: Channels not removed at kafka.utils.TestUtils$.fail(TestUtils.scala:355) at kafka.utils.TestUtils$.waitUntilTrue(TestUtils.scala:865) at kafka.network.SocketServerTest.assertProcessorHealthy(SocketServerTest.scala:914) at kafka.network.SocketServerTest.$anonfun$closingChannelException$1(SocketServerTest.scala:763) at kafka.network.SocketServerTest.$anonfun$closingChannelException$1$adapted(SocketServerTest.scala:747) {code} Among the test output, I saw: {code} [2018-02-04 18:51:15,995] ERROR Processor 0 closed connection from /127.0.0.1:48261 (kafka.network.SocketServerTest$$anon$5$$anon$1:73) java.lang.IllegalStateException: There is already a connection for id 127.0.0.1:1-127.0.0.1:2-0 at org.apache.kafka.common.network.Selector.ensureNotRegistered(Selector.java:260) at org.apache.kafka.common.network.Selector.register(Selector.java:254) at kafka.network.SocketServerTest$TestableSelector.super$register(SocketServerTest.scala:1043) at kafka.network.SocketServerTest$TestableSelector.$anonfun$register$2(SocketServerTest.scala:1043) at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12) at kafka.network.SocketServerTest$TestableSelector.runOp(SocketServerTest.scala:1037) at kafka.network.SocketServerTest$TestableSelector.register(SocketServerTest.scala:1043) at kafka.network.Processor.configureNewConnections(SocketServer.scala:723) at kafka.network.Processor.run(SocketServer.scala:532) {code} -- This message was sent by Atlassian JIRA (v7.6.3#76005)