A SourceTask used by a CloudPubSubSourceConnector to write messages to Apache Kafka. Due to at-last-once semantics in Google Cloud
Pub/Sub duplicates in Kafka are possible.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Class CloudPubSubSourceTask (1.2.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.2.0 (latest)](/java/docs/reference/pubsub-group-kafka-connector/latest/com.google.pubsub.kafka.source.CloudPubSubSourceTask)\n- [1.1.0](/java/docs/reference/pubsub-group-kafka-connector/1.1.0/com.google.pubsub.kafka.source.CloudPubSubSourceTask)\n- [1.0.0](/java/docs/reference/pubsub-group-kafka-connector/1.0.0/com.google.pubsub.kafka.source.CloudPubSubSourceTask)\n- [0.1.5](/java/docs/reference/pubsub-group-kafka-connector/0.1.5/com.google.pubsub.kafka.source.CloudPubSubSourceTask) \n\n public class CloudPubSubSourceTask extends SourceTask\n\nA SourceTask used by a [CloudPubSubSourceConnector](/java/docs/reference/pubsub-group-kafka-connector/latest/com.google.pubsub.kafka.source.CloudPubSubSourceConnector) to write messages to [Apache Kafka](http://kafka.apache.org/). Due to at-last-once semantics in Google Cloud\nPub/Sub duplicates in Kafka are possible. \n\nInheritance\n-----------\n\n[java.lang.Object](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html) \\\u003e org.apache.kafka.connect.source.SourceTask \\\u003e CloudPubSubSourceTask \n\nInherited Members\n-----------------\n\n[Object.clone()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--) \n[Object.equals(Object)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-) \n[Object.finalize()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize--) \n[Object.getClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--) \n[Object.hashCode()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--) \n[Object.notify()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--) \n[Object.notifyAll()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--) \n[Object.toString()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#toString--) \n[Object.wait()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--) \n[Object.wait(long)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-) \n[Object.wait(long,int)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-) \norg.apache.kafka.connect.source.SourceTask.commit() \norg.apache.kafka.connect.source.SourceTask.commitRecord(org.apache.kafka.connect.source.SourceRecord) \norg.apache.kafka.connect.source.SourceTask.commitRecord(org.apache.kafka.connect.source.SourceRecord,org.apache.kafka.clients.producer.RecordMetadata) \norg.apache.kafka.connect.source.SourceTask.initialize(org.apache.kafka.connect.source.SourceTaskContext) \norg.apache.kafka.connect.source.SourceTask.poll() \norg.apache.kafka.connect.source.SourceTask.start(java.util.Map\\\u003cjava.lang.String,java.lang.String\\\u003e) \norg.apache.kafka.connect.source.SourceTask.stop()\n\nConstructors\n------------\n\n### CloudPubSubSourceTask()\n\n public CloudPubSubSourceTask()\n\n### CloudPubSubSourceTask(CloudPubSubSubscriber subscriber)\n\n public CloudPubSubSourceTask(CloudPubSubSubscriber subscriber)\n\nMethods\n-------\n\n### commitRecord(SourceRecord record)\n\n public void commitRecord(SourceRecord record)\n\n**Overrides** \norg.apache.kafka.connect.source.SourceTask.commitRecord(org.apache.kafka.connect.source.SourceRecord)\n\n### poll()\n\n public List\u003cSourceRecord\u003e poll()\n\n**Overrides** \norg.apache.kafka.connect.source.SourceTask.poll()\n\n### start(Map\\\u003cString,String\\\u003e props)\n\n public void start(Map\u003cString,String\u003e props)\n\n**Overrides** \norg.apache.kafka.connect.source.SourceTask.start(java.util.Map\\\u003cjava.lang.String,java.lang.String\\\u003e)\n\n### stop()\n\n public void stop()\n\n**Overrides** \norg.apache.kafka.connect.source.SourceTask.stop()\n\n### version()\n\n public String version()"]]
