I have configured the replicat with format delimited -text and the change was send to Kafka topic.
If I configur the replicat with format avro-op I have this error:
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Handler: "kafkahandler": kafkahandler(KafkaHandler)
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INFO 2018-04-23 16:49:58,573 [main] Starting: userExitDataSource
INFO 2018-04-23 16:49:58,581 [main]
# ===================================================================
# Property settings:
# ===================================================================
gg.handlerlist=kafkahandler
gg.handler.default.file=output.xml
gg.handler.default.format=oracle.goldengate.datasource.format.GenericXmlFormatter
gg.handler.default.retryExceptionPolicy={ java.lang.Exception, 0, 0ms, false }
gg.handler.kafkahandler.BlockingSend=false
gg.handler.kafkahandler.KafkaProducerConfigFile=rtoggkfk_kafka_producer.properties
gg.handler.kafkahandler.TopicName=oggtopic
gg.handler.kafkahandler.format=avro_op
gg.handler.kafkahandler.includeTokens=false
gg.handler.kafkahandler.mode=tx
gg.handler.kafkahandler.type=kafka
gg.autocommit=TRUE
gg.brokentrail=FALSE
gg.bufferOps=0
gg.checkpoint=java2cuserexit
gg.classpath=/data/cloudera/parcels/SPARK2-2.1.0.cloudera1-1.cdh5.7.0.p0.120904/lib/spark2/kafka-0.10/kafka-clients-0.10.0-kafka-2.1.0.jar:/data/cloudera/parcels/KAFKA-2.2.0-1.2.2.0.p0.68/lib/kafka/libs/kafka-clients-0.10.2-kafka-2.2.0.jar:/home/risorse/ae91228/desarrollo/Jars/kafka-clients-0.10.2.1.jar:/data/cloudera/parcels/KAFKA-2.0.2-1.2.0.2.p0.5/lib/kafka/libs/lz4-1.3.0.jar:/data/cloudera/parcels/CDH-5.9.1-1.cdh5.9.1.p0.4/lib/flume-ng/lib/lz4-1.3.0.jar:/data/cloudera/parcels/CDH-5.9.1-1.cdh5.9.1.p0.4/lib/oozie/oozie-sharelib-mr1/lib/spark/lz4-1.3.0.jar:/data/cloudera/parcels/CDH-5.9.1-1.cdh5.9.1.p0.4/lib/oozie/oozie-sharelib-yarn/lib/spark/lz4-1.3.0.jar:/data/cloudera/parcels/CDH-5.9.1-1.cdh5.9.1.p0.4/lib/sqoop2/webapps/sqoop/WEB-INF/lib/lz4-1.3.0.jar:/data/cloudera/parcels/CDH-5.9.1-1.cdh5.9.1.p0.4/jars/lz4-1.3.0.jar:/data/cloudera/parcels/SPARK2-2.1.0.cloudera1-1.cdh5.7.0.p0.120904/lib/spark2/jars/lz4-1.3.0.jar:/data/cloudera/parcels/KAFKA-2.2.0-1.2.2.0.p0.68/lib/kafka/libs/lz4-1.3.0.jar:/usr/share/cmf/cloudera-navigator-audit-server/lz4-1.3.0.jar:/usr/share/cmf/common_jars/lz4-1.3.0.jar:/data/cloudera/parcels/KAFKA-2.2.0-1.2.2.0.p0.68/lib/kafka/libs/slf4j-api-1.7.21.jar:/data/cloudera/parcels/KAFKA-2.0.2-1.2.0.2.p0.5/lib/kafka/libs/snappy-java-1.1.2.6.jar
gg.dirdat=dirdat
gg.dirdef=dirdef
gg.dirprm=dirprm
gg.home=.
gg.jms.id=time
gg.jms.localtx=TRUE
gg.jms.timeout=3000
gg.log=log4j
gg.log.level=INFO
gg.mdp.schemaFilesPath=/oracle/products/12.3.0.1/dirdef/oggtest
gg.mdp.type=avro
gg.meta=userexit
gg.propertyApply=none
gg.propertyBuffer=1073741823
gg.report.format=/oracle/goldengate/datasource/${datasource}_report.vm
gg.report.time=30sec # overrides default: 24 hr
gg.source=userexit
gg.source.dateformat=none
gg.source.dateparser=none
gg.syncpoint.count=0
gg.syncpoint.timer=0sec
gg.syncpoint.timer.method=poll
gg.tokens=userexit
gg.velocity.properties=/gg-velocity.properties
goldengate.userexit.timestamp=utc
goldengate.userexit.writers=javawriter
javawriter.bootoptions=-Xmx512m -Xms32m -Djava.class.path=ggjava/ggjava.jar
javawriter.stats.display=TRUE
javawriter.stats.full=TRUE
# ===================================================================
WARN 2018-04-23 16:49:58,747 [main] Not pruning operations from tx after processing, buffering all operations. Not all handlers are in 'operation mode'.
INFO 2018-04-23 16:49:59,588 [main] Generating the Avro schema for the table [DL_XDMTRADE.POC_TABLE_TEST_001].
INFO 2018-04-23 16:49:59,626 [main] Outputing Avro schema for table [DL_XDMTRADE.POC_TABLE_TEST_001] to file [./dirdef/DL_XDMTRADE.POC_TABLE_TEST_001.avsc].
ERROR 2018-04-23 16:49:59,629 [main] The Avro Formatter formatOp operation failed.
java.lang.NumberFormatException: empty String
at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1842)
at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
at java.lang.Double.parseDouble(Double.java:538)
at java.lang.Double.valueOf(Double.java:502)
at oracle.goldengate.format.avro.AvroFormatter.formatColumnValue(AvroFormatter.java:371)
at oracle.goldengate.format.avro.AvroOperationFormatter.formatAfterValues(AvroOperationFormatter.java:275)
at oracle.goldengate.format.avro.AvroOperationFormatter.formatAfterValuesOp(AvroOperationFormatter.java:235)
at oracle.goldengate.format.avro.AvroOperationFormatter.formatOp(AvroOperationFormatter.java:159)
at oracle.goldengate.handler.kafka.KafkaHandler.formatOp(KafkaHandler.java:461)
at oracle.goldengate.handler.kafka.KafkaHandler.transactionCommit(KafkaHandler.java:249)
at oracle.goldengate.datasource.DsEventManager$2.send(DsEventManager.java:422)
at oracle.goldengate.datasource.DsEventManager$EventDispatcher.distributeEvent(DsEventManager.java:231)
at oracle.goldengate.datasource.DsEventManager.fireTransactionCommit(DsEventManager.java:430)
at oracle.goldengate.datasource.AbstractDataSource.fireTransactionCommit(AbstractDataSource.java:490)
at oracle.goldengate.datasource.UserExitDataSource.commitActiveTransaction(UserExitDataSource.java:1717)
at oracle.goldengate.datasource.UserExitDataSource.commitTx(UserExitDataSource.java:1640)
ERROR 2018-04-23 16:49:59,630 [main] Kafka Handler failed to format and process operation: table=[DL_XDMTRADE.POC_TABLE_TEST_001], op pos=00000000060004378659, tx pos=00000000060004378659, op ts=2018-04-23 14:38:05.002050
java.lang.NumberFormatException: empty String
at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1842)
at sun.misc.FloatingDecimal.parseDouble(FloatingDecimal.java:110)
at java.lang.Double.parseDouble(Double.java:538)
at java.lang.Double.valueOf(Double.java:502)
at oracle.goldengate.format.avro.AvroFormatter.formatColumnValue(AvroFormatter.java:371)
at oracle.goldengate.format.avro.AvroOperationFormatter.formatAfterValues(AvroOperationFormatter.java:275)
at oracle.goldengate.format.avro.AvroOperationFormatter.formatAfterValuesOp(AvroOperationFormatter.java:235)
at oracle.goldengate.format.avro.AvroOperationFormatter.formatOp(AvroOperationFormatter.java:159)
at oracle.goldengate.handler.kafka.KafkaHandler.formatOp(KafkaHandler.java:461)
at oracle.goldengate.handler.kafka.KafkaHandler.transactionCommit(KafkaHandler.java:249)
at oracle.goldengate.datasource.DsEventManager$2.send(DsEventManager.java:422)
at oracle.goldengate.datasource.DsEventManager$EventDispatcher.distributeEvent(DsEventManager.java:231)
at oracle.goldengate.datasource.DsEventManager.fireTransactionCommit(DsEventManager.java:430)
at oracle.goldengate.datasource.AbstractDataSource.fireTransactionCommit(AbstractDataSource.java:490)
at oracle.goldengate.datasource.UserExitDataSource.commitActiveTransaction(UserExitDataSource.java:1717)
at oracle.goldengate.datasource.UserExitDataSource.commitTx(UserExitDataSource.java:1640)
WARN 2018-04-23 16:49:59,631 [main] Error sending event to handler: status=ABEND, event=Commit transaction, handler=kafkahandler
WARN 2018-04-23 16:49:59,636 [main] Factory (UserExitDataSourceFactory, instance #1) had not finished initialization before shutdown.
INFO 2018-04-23 16:49:59,639 [main] Memory at Status : Max: 455.50 MB, Total: 147.50 MB, Free: 62.11 MB, Used: 85.39 MB
INFO 2018-04-23 16:49:59,639 [main] Status report at shutdown:
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Status Report for UserExit
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Total elapsed time: 0:00:01.076 [total = 1 sec ] => Total time since first event
Event processing time: 0:00:00.205 [total = 205 ms ] => Time spent sending msgs (max: 104 ms)
Metadata process time: 0:00:00.000 [total = 0 ms ] => Time spent receiving metadata (1 tables, 25 columns)
Operations Received/Sent: 8436 / 8436
Rate (overall): 8436 op/s (peak: 8436 op/s)
(per event): 8436 op/s
Transactions Received/Sent: 1 / 0
Rate (overall): 1 tx/s (peak: 1 tx/s)
(per event): 1 tx/s
8436 records processed as of Mon Apr 23 16:49:59 CEST 2018 (rate 8436/sec, delta 8436)
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Handler: "kafkahandler": kafkahandler(KafkaHandler)
*************************************************
INFO 2018-04-23 16:49:59,687 [main] Memory at Shutdown : Max: 455.50 MB, Total: 150.50 MB, Free: 143.64 MB, Used: 6.86 MB