Kafka Batch Source

Receive data from Kafka topics in batch and commit them manually through KafkaManualCommit. This provides complete control over when messages are committed, allowing for custom processing logic before acknowledgment.

Metadata

Property	Value
Type	source
Group	Kafka
Namespace	Kafka
Support Level	Stable
Provider	Apache Software Foundation

Properties

Name	Type	Required	Default	Description
`topic`	string	✓		Comma separated list of Kafka topic names
`bootstrapServers`	string	✓		Comma separated list of Kafka Broker URLs
`saslAuthType`	string		`NONE`	Authentication type to use. Use NONE for no authentication, PLAIN or SCRAM_SHA_256/SCRAM_SHA_512 for username/password, SSL for certificate-based, OAUTH for OAuth 2.0, AWS_MSK_IAM for MSK, or KERBEROS for Kerberos.
`saslUsername`	string			Username for SASL authentication. Required when saslAuthType is PLAIN, SCRAM_SHA_256, or SCRAM_SHA_512.
`saslPassword`	string			Password for SASL authentication. Required when saslAuthType is PLAIN, SCRAM_SHA_256, or SCRAM_SHA_512.
`oauthClientId`	string			OAuth client ID. Required when saslAuthType is OAUTH.
`oauthClientSecret`	string			OAuth client secret. Required when saslAuthType is OAUTH.
`oauthTokenEndpointUri`	string			OAuth token endpoint URI. Required when saslAuthType is OAUTH.
`oauthScope`	string			OAuth scope. Optional when saslAuthType is OAUTH.
`sslTruststoreLocation`	string			The location of the trust store file.
`sslTruststorePassword`	string			The password for the trust store file.
`sslKeystoreLocation`	string			The location of the key store file. Used for mTLS authentication.
`sslKeystorePassword`	string			The password for the key store file.
`sslKeyPassword`	string			The password of the private key in the key store file.
`autoCommitEnable`	boolean		`true`	If true, periodically commit to ZooKeeper the offset of messages already fetched by the consumer
`allowManualCommit`	boolean		`false`	Whether to allow doing manual commits
`pollOnError`	string		`ERROR_HANDLER`	What to do if kafka threw an exception while polling for new messages. There are 5 enums and the value can be one of DISCARD, ERROR_HANDLER, RECONNECT, RETRY, STOP
`autoOffsetReset`	string		`latest`	What to do when there is no initial offset. There are 3 enums and the value can be one of latest, earliest, none
`consumerGroup`	string			A string that uniquely identifies the group of consumers to which this source belongs
`deserializeHeaders`	boolean		`true`	When enabled the Kamelet source will deserialize all message headers to String representation.
`batchSize`	integer		`500`	The maximum number of records returned in a single call to poll()
`pollTimeout`	integer		`5000`	The timeout used when polling the KafkaConsumer
`maxPollIntervalMs`	integer			The maximum delay between invocations of poll() when using consumer group management
`batchingIntervalMs`	integer			In consumer batching mode, then this option is specifying a time in millis, to trigger batch completion eager when the current batch size has not reached the maximum size defined by maxPollRecords. Notice the trigger is not exact at the given interval, as this can only happen between kafka polls (see pollTimeoutMs option).
`topicIsPattern`	boolean		`false`	Whether the topic is a pattern (regular expression). This can be used to subscribe to dynamic number of topics matching the pattern.

Dependencies

camel:core
camel:kafka
camel:kamelet