How to get topic list from kafka server in Java

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不要未来只要你来 2020-12-29 06:54

I am using kafka 0.8 version and very much new to it.

I want to know the list of topics created in kafka server along with it\'s metadata.

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醉话见心 (楼主)

2020-12-29 07:15

You can use zookeeper API to get the list of brokers as mentioned below:

    ZooKeeper zk = new ZooKeeper("zookeeperhost, 10000, null);
    List ids = zk.getChildren("/brokers/ids", false);
    List brokerList = new ArrayList<>();
    ObjectMapper objectMapper = new ObjectMapper();

    for (String id : ids) {
        Map map = objectMapper.readValue(zk.getData("/brokers/ids/" + id, false, null), Map.class);
        brokerList.add(map);
    }

Use this broker list to get all the topic using the following link

https://cwiki.apache.org/confluence/display/KAFKA/Finding+Topic+and+Partition+Leader

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