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[Reopen][Issue 5597] Retry when getPartitionedTopicMetadata failed (a…
…pache#5844) Motivation Fixes apache#5597 Add backoff retries when getting partitioned metadata from brokers. The change in apache#5734 (copy from apache#5603) used the wrong time unit when inited Backoff which failed to trigger the retry logic as expected. Modifications Correct the time unit and add some useful log.
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pulsar-broker/src/test/java/org/apache/pulsar/client/impl/PulsarMultiHostClientTest.java
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| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
| package org.apache.pulsar.client.impl; | ||
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| import org.apache.pulsar.client.api.Consumer; | ||
| import org.apache.pulsar.client.api.Message; | ||
| import org.apache.pulsar.client.api.Producer; | ||
| import org.apache.pulsar.client.api.ProducerConsumerBase; | ||
| import org.apache.pulsar.client.api.PulsarClient; | ||
| import org.apache.pulsar.client.api.PulsarClientException; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.testng.annotations.AfterMethod; | ||
| import org.testng.annotations.BeforeMethod; | ||
| import org.testng.annotations.Test; | ||
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| import java.util.HashSet; | ||
| import java.util.Set; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import static org.testng.Assert.fail; | ||
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| public class PulsarMultiHostClientTest extends ProducerConsumerBase { | ||
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| private static final Logger log = LoggerFactory.getLogger(PulsarMultiHostClientTest.class); | ||
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| @BeforeMethod | ||
| @Override | ||
| protected void setup() throws Exception { | ||
| super.internalSetup(); | ||
| super.producerBaseSetup(); | ||
| } | ||
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| @AfterMethod | ||
| @Override | ||
| protected void cleanup() throws Exception { | ||
| super.internalCleanup(); | ||
| } | ||
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| @Test | ||
| public void testGetPartitionedTopicMetaData() throws Exception { | ||
| log.info("-- Starting {} test --", methodName); | ||
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| final String topicName = "persistent://my-property/my-ns/my-topic1"; | ||
| final String subscriptionName = "my-subscriber-name"; | ||
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| try { | ||
| String url = "http://localhost:" + BROKER_WEBSERVICE_PORT; | ||
| if (isTcpLookup) { | ||
| url = "pulsar://localhost:" + BROKER_PORT; | ||
| } | ||
| PulsarClient client = newPulsarClient(url, 0); | ||
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| Consumer<byte[]> consumer = client.newConsumer().topic(topicName).subscriptionName(subscriptionName) | ||
| .acknowledgmentGroupTime(0, TimeUnit.SECONDS).subscribe(); | ||
| Producer<byte[]> producer = client.newProducer().topic(topicName).create(); | ||
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| consumer.close(); | ||
| producer.close(); | ||
| client.close(); | ||
| } catch (PulsarClientException pce) { | ||
| log.error("create producer or consumer error: ", pce); | ||
| fail(); | ||
| } | ||
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| log.info("-- Exiting {} test --", methodName); | ||
| } | ||
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| @Test (timeOut = 4000) | ||
| public void testGetPartitionedTopicDataTimeout() { | ||
| log.info("-- Starting {} test --", methodName); | ||
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| final String topicName = "persistent://my-property/my-ns/my-topic1"; | ||
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| String url = "http://localhost:51000,localhost:51001"; | ||
| if (isTcpLookup) { | ||
| url = "pulsar://localhost:51000,localhost:51001"; | ||
| } | ||
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| PulsarClient client; | ||
| try { | ||
| client = PulsarClient.builder() | ||
| .serviceUrl(url) | ||
| .statsInterval(0, TimeUnit.SECONDS) | ||
| .operationTimeout(3, TimeUnit.SECONDS) | ||
| .build(); | ||
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| Producer<byte[]> producer = client.newProducer().topic(topicName).create(); | ||
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| fail(); | ||
| } catch (PulsarClientException pce) { | ||
| log.error("create producer error: ", pce); | ||
| } | ||
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| log.info("-- Exiting {} test --", methodName); | ||
| } | ||
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| @Test | ||
| public void testMultiHostUrlRetrySuccess() throws Exception { | ||
| log.info("-- Starting {} test --", methodName); | ||
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| final String topicName = "persistent://my-property/my-ns/my-topic1"; | ||
| final String subscriptionName = "my-subscriber-name"; | ||
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| // Multi hosts included an unreached port and the actual port for verify retry logic | ||
| String urlsWithUnreached = "http://localhost:51000,localhost:" + BROKER_WEBSERVICE_PORT; | ||
| if (isTcpLookup) { | ||
| urlsWithUnreached = "pulsar://localhost:51000,localhost:" + BROKER_PORT; | ||
| } | ||
| PulsarClient client = newPulsarClient(urlsWithUnreached, 0); | ||
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| Consumer<byte[]> consumer = client.newConsumer().topic(topicName).subscriptionName(subscriptionName) | ||
| .acknowledgmentGroupTime(0, TimeUnit.SECONDS).subscribe(); | ||
| Producer<byte[]> producer = client.newProducer().topic(topicName).create(); | ||
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| for (int i = 0; i < 5; i++) { | ||
| String message = "my-message-" + i; | ||
| producer.send(message.getBytes()); | ||
| log.info("Produced message: [{}]", message); | ||
| } | ||
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| Message<byte[]> msg = null; | ||
| Set<String> messageSet = new HashSet(); | ||
| for (int i = 0; i < 5; i++) { | ||
| msg = consumer.receive(5, TimeUnit.SECONDS); | ||
| String receivedMessage = new String(msg.getData()); | ||
| log.info("Received message: [{}]", receivedMessage); | ||
| String expectedMessage = "my-message-" + i; | ||
| testMessageOrderAndDuplicates(messageSet, receivedMessage, expectedMessage); | ||
| } | ||
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| // Acknowledge the consumption of all messages at once | ||
| consumer.acknowledgeCumulative(msg); | ||
| consumer.close(); | ||
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| producer.close(); | ||
| client.close(); | ||
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| log.info("-- Exiting {} test --", methodName); | ||
| } | ||
| } |
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