jahidakhtargit commented on issue #4510: A host can't connect and won't try other hosts again in multi-hosts service url configuration URL: https://github.com/apache/pulsar/issues/4510#issuecomment-516416130 Same issue I'm facing: 2019-07-30 18:24:11.813 INFO 20248 --- [r-client-io-1-1] o.a.p.c.impl.ConsumerStatsRecorderImpl : Starting Pulsar consumer perf with config: { "topicNames" : [ "device-twin-topic" ], "topicsPattern" : null, "subscriptionName" : "device-twin-subscription", "subscriptionType" : "Shared", "receiverQueueSize" : 1000, "acknowledgementsGroupTimeMicros" : 100000, "negativeAckRedeliveryDelayMicros" : 60000000, "maxTotalReceiverQueueSizeAcrossPartitions" : 50000, "consumerName" : null, "ackTimeoutMillis" : 0, "tickDurationMillis" : 1000, "priorityLevel" : 0, "cryptoFailureAction" : "FAIL", "properties" : { }, "readCompacted" : false, "subscriptionInitialPosition" : "Latest", "patternAutoDiscoveryPeriod" : 1, "regexSubscriptionMode" : "PersistentOnly", "deadLetterPolicy" : null, "autoUpdatePartitions" : true, "replicateSubscriptionState" : false, "resetIncludeHead" : false } 2019-07-30 18:24:11.818 INFO 20248 --- [r-client-io-1-1] o.a.p.c.impl.ConsumerStatsRecorderImpl : Pulsar client config: { "serviceUrl" : "http://localhost:8087";, "authPluginClassName" : null, "authParams" : null, "operationTimeoutMs" : 30000, "statsIntervalSeconds" : 60, "numIoThreads" : 1, "numListenerThreads" : 1, "connectionsPerBroker" : 1, "useTcpNoDelay" : true, "useTls" : false, "tlsTrustCertsFilePath" : "", "tlsAllowInsecureConnection" : false, "tlsHostnameVerificationEnable" : false, "concurrentLookupRequest" : 5000, "maxLookupRequest" : 50000, "maxNumberOfRejectedRequestPerConnection" : 50, "keepAliveIntervalSeconds" : 30, "connectionTimeoutMs" : 10000, "requestTimeoutMs" : 60000, "defaultBackoffIntervalNanos" : 100000000, "maxBackoffIntervalNanos" : 30000000000 } 2019-07-30 18:24:13.018 WARN 20248 --- [r-client-io-1-1] o.a.pulsar.client.impl.ConnectionPool : Failed to open connection to 20b59f0ed6eb:6650 : java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries 2019-07-30 18:24:13.021 WARN 20248 --- [r-client-io-1-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Error connecting to broker: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries 2019-07-30 18:24:13.021 WARN 20248 --- [r-client-io-1-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Could not get connection to broker: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries -- Will try again in 0.1 s 2019-07-30 18:24:13.122 INFO 20248 --- [ulsar-timer-6-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Reconnecting after connection was closed 2019-07-30 18:24:14.266 WARN 20248 --- [r-client-io-1-1] o.a.pulsar.client.impl.ConnectionPool : Failed to open connection to 20b59f0ed6eb:6650 : java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries 2019-07-30 18:24:14.266 WARN 20248 --- [r-client-io-1-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Error connecting to broker: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries 2019-07-30 18:24:14.266 WARN 20248 --- [r-client-io-1-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Could not get connection to broker: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries -- Will try again in 0.186 s 2019-07-30 18:24:14.453 INFO 20248 --- [ulsar-timer-6-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Reconnecting after connection was closed 2019-07-30 18:24:15.637 WARN 20248 --- [r-client-io-1-1] o.a.pulsar.client.impl.ConnectionPool : Failed to open connection to 20b59f0ed6eb:6650 : java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries 2019-07-30 18:24:15.637 WARN 20248 --- [r-client-io-1-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Error connecting to broker: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries 2019-07-30 18:24:15.637 WARN 20248 --- [r-client-io-1-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Could not get connection to broker: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries -- Will try again in 0.4 s 2019-07-30 18:24:16.037 INFO 20248 --- [ulsar-timer-6-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Reconnecting after connection was closed 2019-07-30 18:24:17.276 WARN 20248 --- [r-client-io-1-1] o.a.pulsar.client.impl.ConnectionPool : Failed to open connection to 20b59f0ed6eb:6650 : java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries 2019-07-30 18:24:17.276 WARN 20248 --- [r-client-io-1-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Error connecting to broker: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries 2019-07-30 18:24:17.276 WARN 20248 --- [r-client-io-1-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Could not get connection to broker: org.apache.pulsar.client.api.PulsarClientException: java.util.concurrent.CompletionException: java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries -- Will try again in 0.76 s 2019-07-30 18:24:18.037 INFO 20248 --- [ulsar-timer-6-1] o.a.p.client.impl.ConnectionHandler : [device-twin-topic] [device-twin-subscription] Reconnecting after connection was closed 2019-07-30 18:24:19.224 WARN 20248 --- [r-client-io-1-1] o.a.pulsar.client.impl.ConnectionPool : Failed to open connection to 20b59f0ed6eb:6650 : java.net.UnknownHostException: failed to resolve '20b59f0ed6eb' after 7 queries
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