kafka.common.TopicExistsException Java Examples
The following examples show how to use
kafka.common.TopicExistsException.
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Example #1
Source File: KafkaComponent.java From metron with Apache License 2.0 | 6 votes |
public void createTopic(String name, int numPartitions, long waitThisLongForMetadataToPropagate) throws InterruptedException { ZkUtils zkUtils = null; Level oldLevel = UnitTestHelper.getJavaLoggingLevel(); try { UnitTestHelper.setJavaLoggingLevel(Level.OFF); zkUtils = ZkUtils.apply(zookeeperConnectString, 30000, 30000, false); AdminUtilsWrapper.createTopic(zkUtils, name, numPartitions, 1, new Properties()); if (waitThisLongForMetadataToPropagate > 0) { waitUntilMetadataIsPropagated(name, numPartitions, waitThisLongForMetadataToPropagate); } }catch(TopicExistsException tee) { }finally { if(zkUtils != null){ zkUtils.close(); } UnitTestHelper.setJavaLoggingLevel(oldLevel); } }
Example #2
Source File: KafkaTestUtil.java From AthenaX with Apache License 2.0 | 5 votes |
public static boolean createKafkaTopicIfNecessary(String brokerUri, int replFactor, int numPartitions, String topic) throws IOException { URI zkUri = URI.create(brokerUri); Preconditions.checkArgument("zk".equals(zkUri.getScheme())); String zkServerList = zkUri.getAuthority() + zkUri.getPath(); ZkUtils zkUtils = ZkUtils.apply(zkServerList, ZK_SESSION_TIMEOUT_MS, ZK_CONNECTION_TIMEOUT_MS, JaasUtils.isZkSecurityEnabled()); try { if (AdminUtils.topicExists(zkUtils, topic)) { return false; } try { AdminUtils.createTopic(zkUtils, topic, numPartitions, replFactor, new Properties()); } catch (TopicExistsException ignored) { return false; } catch (RuntimeException e) { throw new IOException(e); } } finally { if (zkUtils != null) { zkUtils.close(); } } return true; }
Example #3
Source File: KafkaTestUtil.java From siddhi-io-kafka with Apache License 2.0 | 5 votes |
public static void createTopic(String connectionString, String topics[], int numOfPartitions) { ZkClient zkClient = new ZkClient(connectionString, 30000, 30000, ZKStringSerializer$.MODULE$); ZkConnection zkConnection = new ZkConnection(connectionString); ZkUtils zkUtils = new ZkUtils(zkClient, zkConnection, false); for (String topic : topics) { try { AdminUtils.createTopic(zkUtils, topic, numOfPartitions, 1, new Properties(), RackAwareMode.Enforced$.MODULE$); } catch (TopicExistsException e) { log.warn("topic exists for: " + topic); } } zkClient.close(); }