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Posted to jira@kafka.apache.org by "para (Jira)" <ji...@apache.org> on 2020/04/15 14:26:00 UTC
[jira] [Commented] (KAFKA-9874) broker can not work when use dns
fault
[ https://issues.apache.org/jira/browse/KAFKA-9874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17084122#comment-17084122 ]
para commented on KAFKA-9874:
-----------------------------
{code:java}
// code placeholder
{code}
"data-plane-kafka-network-thread-1002-ListenerName(SASL_PLAINTEXT)-SASL_PLAINTEXT-0" #66 prio=5 os_prio=0 tid=0x00007f38214ed800 nid=0x62c0 runnable [0x00007f36144f8000]"data-plane-kafka-network-thread-1002-ListenerName(SASL_PLAINTEXT)-SASL_PLAINTEXT-0" #66 prio=5 os_prio=0 tid=0x00007f38214ed800 nid=0x62c0 runnable [0x00007f36144f8000] java.lang.Thread.State: RUNNABLE at java.net.Inet6AddressImpl.getHostByAddr(Native Method) at java.net.InetAddress$2.getHostByAddr(InetAddress.java:933) at java.net.InetAddress.getHostFromNameService(InetAddress.java:618) at java.net.InetAddress.getHostName(InetAddress.java:560) at java.net.InetAddress.getHostName(InetAddress.java:532) at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.lambda$createSaslServer$0(SaslServerAuthenticator.java:195) at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator$$Lambda$779/1182531626.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.createSaslServer(SaslServerAuthenticator.java:194) at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.handleKafkaRequest(SaslServerAuthenticator.java:534) at org.apache.kafka.common.security.authenticator.SaslServerAuthenticator.authenticate(SaslServerAuthenticator.java:285) at org.apache.kafka.common.network.KafkaChannel.prepare(KafkaChannel.java:173) at org.apache.kafka.common.network.Selector.pollSelectionKeys(Selector.java:547) at org.apache.kafka.common.network.Selector.poll(Selector.java:483) at kafka.network.Processor.poll(SocketServer.scala:830) at kafka.network.Processor.run(SocketServer.scala:730) at java.lang.Thread.run(Thread.java:748)
"Controller-1002-to-broker-1002-send-thread" #65 prio=5 os_prio=0 tid=0x00007f378004c800 nid=0x62bf runnable [0x00007f36145fa000] java.lang.Thread.State: RUNNABLE at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method) at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269) at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93) at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86) - locked <0x00000000fa926138> (a sun.nio.ch.Util$3) - locked <0x00000000fa926128> (a java.util.Collections$UnmodifiableSet) - locked <0x00000000fa926148> (a sun.nio.ch.EPollSelectorImpl) at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at org.apache.kafka.common.network.Selector.select(Selector.java:794) at org.apache.kafka.common.network.Selector.poll(Selector.java:467) at org.apache.kafka.clients.NetworkClient.poll(NetworkClient.java:535) at org.apache.kafka.clients.NetworkClientUtils.awaitReady(NetworkClientUtils.java:74) at kafka.controller.RequestSendThread.brokerReady(ControllerChannelManager.scala:282) at kafka.controller.RequestSendThread.doWork(ControllerChannelManager.scala:236) at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
> broker can not work when use dns fault
> --------------------------------------
>
> Key: KAFKA-9874
> URL: https://issues.apache.org/jira/browse/KAFKA-9874
> Project: Kafka
> Issue Type: Bug
> Components: core
> Affects Versions: 2.4.1
> Reporter: para
> Priority: Critical
> Labels: acl, dns
> Attachments: kast.log
>
>
> in 2.3.1 we authenticate using sasl blocked when the dns service is fault，caused by java native func getHostByAddr.
> but the hostname was never used, can use the default name instead of it
>
> h3.
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