[KAFKA-6300] SelectorTest may fail with ConcurrentModificationException

• Type: Test
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 1.0.1, 1.1.0
• Assignee: Unassigned
• Reporter: Ted Yu
• Created: 03/Dec/17 00:02
• Updated: 06/Dec/17 19:44
• Resolved: 06/Dec/17 19:43

Description

From https://builds.apache.org/job/kafka-trunk-jdk8/2255/testReport/junit/org.apache.kafka.common.network/SelectorTest/testImmediatelyConnectedCleaned/ :

java.util.ConcurrentModificationException
	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909)
	at java.util.ArrayList$Itr.next(ArrayList.java:859)
	at org.apache.kafka.common.network.EchoServer.closeConnections(EchoServer.java:115)
	at org.apache.kafka.common.network.EchoServer.close(EchoServer.java:121)
	at org.apache.kafka.common.network.SelectorTest.tearDown(SelectorTest.java:95)

It seems sockets ArrayList was modified during closing.

Issue Links

• links to: GitHub Pull Request #4288
• links to: GitHub Pull Request #4299