KAFKA-18274: Failed to restart controller in testing due to closed socket channel [2/2] #18337
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frankvicky
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Dec 30, 2024
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| if (socketChannel != null && socketChannel.isOpen()) { | ||
| return socketChannel; | ||
| } else if (socketChannel != null) { | ||
| // bind the server socket with same port | ||
| socketAddress = new InetSocketAddress(socketAddress.getHostString(), socketChannel.socket().getLocalPort()); | ||
| socketChannel = ServerSocketFactory.INSTANCE.openServerSocket( | ||
| listenerName, | ||
| socketAddress, | ||
| listenBacklogSize, | ||
| recvBufferSize); | ||
| return socketChannel; | ||
| } |
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Please combine the null checks.
Instead of checking for socketChannel != null twice, we can combine them into a single block that handles the non-null case.
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Nice catch. Thanks!
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Enable controller to restart with the same port in ClusterTest.
Tests
In the newly added test
testKRaftIsolatedControllerRestart, if we don't have the corresponding changes inPreboundSocketFactoryManagerthen the admin will keep retrying connect to the restarted controller, cause the controller's port has changed.