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Posted to commits@camel.apache.org by oa...@apache.org on 2020/12/14 10:47:43 UTC
[camel-examples] branch vertx-kafka-example created (now 47a14e6)
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at 47a14e6 Add Camel Vertx Kafka Example
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[camel-examples] 01/01: Add Camel Vertx Kafka Example
Posted by oa...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
oalsafi pushed a commit to branch vertx-kafka-example
in repository https://gitbox.apache.org/repos/asf/camel-examples.git
commit 47a14e6b7f09c000383b73a6bdbed790af4ecfce
Author: Omar Al-Safi <om...@gmail.com>
AuthorDate: Mon Dec 14 11:47:19 2020 +0100
Add Camel Vertx Kafka Example
---
examples/README.adoc | 4 +-
examples/camel-example-vertx-kafka/README.adoc | 65 +++++++
examples/camel-example-vertx-kafka/pom.xml | 129 +++++++++++++
.../example/vertx/kafka/MessageConsumerClient.java | 65 +++++++
.../vertx/kafka/MessagePublisherClient.java | 115 ++++++++++++
.../example/vertx/kafka/StringPartitioner.java | 53 ++++++
.../src/main/resources/META-INF/LICENSE.txt | 203 +++++++++++++++++++++
.../src/main/resources/META-INF/NOTICE.txt | 11 ++
.../src/main/resources/application.properties | 36 ++++
.../src/main/resources/log4j2.properties | 23 +++
examples/pom.xml | 1 +
11 files changed, 704 insertions(+), 1 deletion(-)
diff --git a/examples/README.adoc b/examples/README.adoc
index 15c418a..0865844 100644
--- a/examples/README.adoc
+++ b/examples/README.adoc
@@ -11,7 +11,7 @@ View the individual example READMEs for details.
== Examples
// examples: START
-Number of Examples: 84 (0 deprecated)
+Number of Examples: 85 (0 deprecated)
[width="100%",cols="4,2,4",options="header"]
|===
@@ -166,6 +166,8 @@ Number of Examples: 84 (0 deprecated)
| link:camel-example-spring-pulsar/README.adoc[Spring Pulsar] (camel-example-spring-pulsar) | Messaging | An example using Spring XML to talk to the Pulsar server from different kind of client techniques
+| link:camel-example-vertx-kafka/README.adoc[Vertx Kafka] (camel-example-vertx-kafka) | Messaging | An example for Vertx Kafka
+
| link:camel-example-kotlin/README.adoc[Kotlin] (camel-example-kotlin) | Other Languages | A Camel route using Kotlin
| link:camel-example-reactive-executor-vertx/readme.adoc[Reactive Executor Vertx] (camel-example-reactive-executor-vertx) | Reactive | An example for showing using VertX as reactive executor with standalone Camel
diff --git a/examples/camel-example-vertx-kafka/README.adoc b/examples/camel-example-vertx-kafka/README.adoc
new file mode 100644
index 0000000..2bf2854
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/README.adoc
@@ -0,0 +1,65 @@
+== Camel Vertx Kafka example
+
+=== Introduction
+
+An example which shows how to integrate Camel with Kafka. It is mainly based on Camel Kafka example.
+
+This project consists of the following examples:
+
+ 1. Send messages continuously by typing on the command line.
+ 2. Example of partitioner for a given producer.
+ 3. Topic is sent in the header as well as in the URL.
+
+=== Preparing Kafka
+
+The easiest way to get Kafka up and running for _dev_ environment, is to use Confluent Local Community setup, you can set it up using the instructions https://docs.confluent.io/platform/current/quickstart/ce-quickstart.html#ce-quickstart[here].
+
+Once you have done with the setup, start Kafka using this command:
+```
+confluent local services start
+```
+
+When you are done from the example, you can stop kafka with this command:
+```
+confluent local services stop
+```
+
+We don't need to create the topics here as the Confluent dev environment configured to create topics automatically once the producer has started to produce messages to Kafka.
+
+=== Build
+
+You will need to compile this example first:
+
+ $ mvn compile
+
+=== Run
+
+Run the consumer first in separate shell
+
+ $ mvn compile exec:java -Pkafka-consumer
+
+Run the message producer in the seperate shell
+
+ $ mvn compile exec:java -Pkafka-producer
+
+Initially, some messages are sent programmatically.
+On the command prompt, type the messages. Each line is sent as one message to kafka
+Press `Ctrl-C` to exit.
+
+=== Configuration
+
+You can configure the details in the file:
+ `src/main/resources/application.properties`
+
+You can enable verbose logging by adjusting the `src/main/resources/log4j2.properties`
+ file as documented in the file.
+
+=== Help and contributions
+
+If you hit any problem using Camel or have some feedback,
+then please https://camel.apache.org/support.html[let us know].
+
+We also love contributors,
+so https://camel.apache.org/contributing.html[get involved] :-)
+
+The Camel riders!
diff --git a/examples/camel-example-vertx-kafka/pom.xml b/examples/camel-example-vertx-kafka/pom.xml
new file mode 100644
index 0000000..12d10ec
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/pom.xml
@@ -0,0 +1,129 @@
+<?xml version="1.0"?>
+<!--
+
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
+ <modelVersion>4.0.0</modelVersion>
+
+ <parent>
+ <groupId>org.apache.camel.example</groupId>
+ <artifactId>examples</artifactId>
+ <version>3.7.0-SNAPSHOT</version>
+ </parent>
+
+ <artifactId>camel-example-vertx-kafka</artifactId>
+ <name>Camel :: Example :: Vert.x :: Kafka</name>
+ <description>An example for Vertx Kafka</description>
+
+ <properties>
+ <category>Messaging</category>
+ </properties>
+
+ <dependencyManagement>
+ <dependencies>
+ <!-- Add Camel BOM -->
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-bom</artifactId>
+ <version>${camel.version}</version>
+ <type>pom</type>
+ <scope>import</scope>
+ </dependency>
+ </dependencies>
+ </dependencyManagement>
+
+ <dependencies>
+
+ <!-- camel -->
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-core</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-main</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-vertx-kafka</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-stream</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-componentdsl</artifactId>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.camel</groupId>
+ <artifactId>camel-endpointdsl</artifactId>
+ </dependency>
+
+ <!-- logging -->
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-api</artifactId>
+ <version>${log4j2-version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-core</artifactId>
+ <version>${log4j2-version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.logging.log4j</groupId>
+ <artifactId>log4j-slf4j-impl</artifactId>
+ <version>${log4j2-version}</version>
+ </dependency>
+ </dependencies>
+
+ <profiles>
+
+ <profile>
+ <id>kafka-producer</id>
+ <properties>
+ <target.main.class>org.apache.camel.example.vertx.kafka.MessagePublisherClient</target.main.class>
+ </properties>
+ </profile>
+
+ <profile>
+ <id>kafka-consumer</id>
+ <properties>
+ <target.main.class>org.apache.camel.example.vertx.kafka.MessageConsumerClient</target.main.class>
+ </properties>
+ </profile>
+
+ </profiles>
+
+ <build>
+ <plugins>
+ <!-- Allows the example to be run via 'mvn compile exec:java' -->
+ <plugin>
+ <groupId>org.codehaus.mojo</groupId>
+ <artifactId>exec-maven-plugin</artifactId>
+ <configuration>
+ <mainClass>${target.main.class}</mainClass>
+ <includePluginDependencies>false</includePluginDependencies>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
diff --git a/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/MessageConsumerClient.java b/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/MessageConsumerClient.java
new file mode 100644
index 0000000..de0cec7
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/MessageConsumerClient.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.example.vertx.kafka;
+
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.builder.component.ComponentsBuilderFactory;
+import org.apache.camel.main.Main;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class MessageConsumerClient {
+
+ private static final Logger LOG = LoggerFactory.getLogger(MessageConsumerClient.class);
+
+ // use Camel Main to setup and run Camel
+ private static Main main = new Main();
+
+ private MessageConsumerClient() {
+ }
+
+ public static void main(String[] args) throws Exception {
+
+ LOG.info("About to run Camel Vertx Kafka integration...");
+
+
+ // Add route to send messages to Kafka
+ main.configure().addRoutesBuilder(new RouteBuilder() {
+ public void configure() {
+ log.info("About to start route: Kafka Server -> Log ");
+
+ // setup kafka component with the brokers
+ ComponentsBuilderFactory.vertxKafka()
+ .bootstrapServers("{{kafka.host}}:{{kafka.port}}")
+ .register(main.getCamelContext(), "vertx-kafka");
+
+ from("vertx-kafka:{{consumer.topic}}"
+ + "?maxPollRecords={{consumer.maxPollRecords}}"
+ + "&seekToPosition={{consumer.seekTo}}"
+ + "&groupId={{consumer.group}}")
+ .routeId("FromKafka")
+ .log("${body}");
+ }
+ });
+ main.start();
+ // let it run for 5 minutes before shutting down
+ Thread.sleep(5 * 60 * 1000);
+
+ main.stop();
+ }
+
+}
diff --git a/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/MessagePublisherClient.java b/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/MessagePublisherClient.java
new file mode 100644
index 0000000..dbd8dd7
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/MessagePublisherClient.java
@@ -0,0 +1,115 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.example.vertx.kafka;
+
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.camel.ProducerTemplate;
+import org.apache.camel.builder.RouteBuilder;
+import org.apache.camel.builder.component.ComponentsBuilderFactory;
+import org.apache.camel.component.vertx.kafka.VertxKafkaConstants;
+import org.apache.camel.main.Main;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class MessagePublisherClient {
+
+ private static final Logger LOG = LoggerFactory.getLogger(MessagePublisherClient.class);
+
+ // use Camel Main to setup and run Camel
+ private static Main main = new Main();
+
+ private MessagePublisherClient() { }
+
+ public static void main(String[] args) throws Exception {
+
+ LOG.info("About to run Camel Vertx Kafka integration...");
+
+ String testKafkaMessage = "Test Message from MessagePublisherClient " + Calendar.getInstance().getTime();
+
+ // add routes
+ main.configure().addRoutesBuilder(new RouteBuilder() {
+ @Override public void configure() throws Exception {
+
+ // setup kafka component with the brokers using component DSL
+ ComponentsBuilderFactory.vertxKafka()
+ .bootstrapServers("{{kafka.host}}:{{kafka.port}}")
+ .register(main.getCamelContext(), "vertx-kafka");
+
+ from("direct:kafkaStart").routeId("DirectToKafka")
+ .to("vertx-kafka:{{producer.topic}}").log("${headers}");
+
+ // Topic can be set in header as well.
+
+ from("direct:kafkaStartNoTopic").routeId("kafkaStartNoTopic")
+ .to("vertx-kafka:dummy")
+ .log("${headers}");
+
+ // Use custom partitioner based on the key.
+
+ from("direct:kafkaStartWithPartitioner").routeId("kafkaStartWithPartitioner")
+ .to("vertx-kafka:{{producer.topic}}?partitionerClass={{producer.partitioner}}")
+ .log("${headers}");
+
+
+ // Takes input from the command line.
+
+ from("stream:in").setHeader(VertxKafkaConstants.PARTITION_ID, simple("0"))
+ .setHeader(VertxKafkaConstants.MESSAGE_KEY, simple("1")).to("direct:kafkaStart");
+ }
+ });
+
+ // start and run Camel (block)
+ main.run();
+
+ ProducerTemplate producerTemplate = main.getCamelContext().createProducerTemplate();
+
+ Map<String, Object> headers = new HashMap<>();
+
+ headers.put(VertxKafkaConstants.PARTITION_ID, 0);
+ headers.put(VertxKafkaConstants.MESSAGE_KEY, "1");
+ producerTemplate.sendBodyAndHeaders("direct:kafkaStart", testKafkaMessage, headers);
+
+ // Send with topicName in header
+
+ testKafkaMessage = "TOPIC " + testKafkaMessage;
+ headers.put(VertxKafkaConstants.MESSAGE_KEY, "2");
+ headers.put(VertxKafkaConstants.TOPIC, "TestLog");
+
+ producerTemplate.sendBodyAndHeaders("direct:kafkaStartNoTopic", testKafkaMessage, headers);
+
+ testKafkaMessage = "PART 0 : " + testKafkaMessage;
+ Map<String, Object> newHeader = new HashMap<>();
+ newHeader.put(VertxKafkaConstants.MESSAGE_KEY, "AB"); // This should go to partition 0
+
+ producerTemplate.sendBodyAndHeaders("direct:kafkaStartWithPartitioner", testKafkaMessage, newHeader);
+
+ testKafkaMessage = "PART 1 : " + testKafkaMessage;
+ newHeader.put(VertxKafkaConstants.MESSAGE_KEY, "ABC"); // This should go to partition 1
+
+ producerTemplate.sendBodyAndHeaders("direct:kafkaStartWithPartitioner", testKafkaMessage, newHeader);
+
+ LOG.info("Successfully published event to Kafka.");
+ System.out.println("Enter text on the line below : [Press Ctrl-C to exit.] ");
+
+ Thread.sleep(5 * 60 * 1000);
+
+ main.stop();
+ }
+}
diff --git a/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/StringPartitioner.java b/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/StringPartitioner.java
new file mode 100644
index 0000000..a890409
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/src/main/java/org/apache/camel/example/vertx/kafka/StringPartitioner.java
@@ -0,0 +1,53 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.camel.example.vertx.kafka;
+
+import java.util.Map;
+
+import org.apache.kafka.clients.producer.Partitioner;
+import org.apache.kafka.common.Cluster;
+
+public class StringPartitioner implements Partitioner {
+
+ public StringPartitioner() {
+ // noop
+ }
+
+ @Override
+ public void configure(Map<String, ?> configs) {
+ }
+
+ @Override
+ public int partition(String topic, Object key, byte[] keyBytes, Object value, byte[] valueBytes, Cluster cluster) {
+ int partId = 0;
+
+ if (key instanceof String) {
+ String sKey = (String) key;
+ int len = sKey.length();
+
+ // This will return either 1 or zero
+ partId = len % 2;
+ }
+
+ return partId;
+ }
+
+ @Override
+ public void close() {
+ }
+
+}
diff --git a/examples/camel-example-vertx-kafka/src/main/resources/META-INF/LICENSE.txt b/examples/camel-example-vertx-kafka/src/main/resources/META-INF/LICENSE.txt
new file mode 100644
index 0000000..6b0b127
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/src/main/resources/META-INF/LICENSE.txt
@@ -0,0 +1,203 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
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+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
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+ Unless required by applicable law or agreed to in writing, software
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diff --git a/examples/camel-example-vertx-kafka/src/main/resources/META-INF/NOTICE.txt b/examples/camel-example-vertx-kafka/src/main/resources/META-INF/NOTICE.txt
new file mode 100644
index 0000000..2e215bf
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/src/main/resources/META-INF/NOTICE.txt
@@ -0,0 +1,11 @@
+ =========================================================================
+ == NOTICE file corresponding to the section 4 d of ==
+ == the Apache License, Version 2.0, ==
+ == in this case for the Apache Camel distribution. ==
+ =========================================================================
+
+ This product includes software developed by
+ The Apache Software Foundation (http://www.apache.org/).
+
+ Please read the different LICENSE files present in the licenses directory of
+ this distribution.
diff --git a/examples/camel-example-vertx-kafka/src/main/resources/application.properties b/examples/camel-example-vertx-kafka/src/main/resources/application.properties
new file mode 100644
index 0000000..1a3bdf1
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/src/main/resources/application.properties
@@ -0,0 +1,36 @@
+## ---------------------------------------------------------------------------
+## Licensed to the Apache Software Foundation (ASF) under one or more
+## contributor license agreements. See the NOTICE file distributed with
+## this work for additional information regarding copyright ownership.
+## The ASF licenses this file to You under the Apache License, Version 2.0
+## (the "License"); you may not use this file except in compliance with
+## the License. You may obtain a copy of the License at
+##
+## http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+## ---------------------------------------------------------------------------
+
+## Modify value of kafka.host and kafka.port before running application
+
+kafka.host=localhost
+kafka.port=9092
+
+# Producer properties
+producer.topic=TestLog
+producer.partitioner=org.apache.camel.example.vertx.kafka.StringPartitioner
+
+# Consumer properties
+
+# One consumer can listen to more than one topics.[ TestLog,AccessLog ]
+consumer.topic=TestLog
+consumer.group=kafkaGroup
+consumer.maxPollRecords=5000
+
+
+# Get records from the beginning
+consumer.seekTo=beginning
diff --git a/examples/camel-example-vertx-kafka/src/main/resources/log4j2.properties b/examples/camel-example-vertx-kafka/src/main/resources/log4j2.properties
new file mode 100644
index 0000000..d406a9f
--- /dev/null
+++ b/examples/camel-example-vertx-kafka/src/main/resources/log4j2.properties
@@ -0,0 +1,23 @@
+## ---------------------------------------------------------------------------
+## Licensed to the Apache Software Foundation (ASF) under one or more
+## contributor license agreements. See the NOTICE file distributed with
+## this work for additional information regarding copyright ownership.
+## The ASF licenses this file to You under the Apache License, Version 2.0
+## (the "License"); you may not use this file except in compliance with
+## the License. You may obtain a copy of the License at
+##
+## http://www.apache.org/licenses/LICENSE-2.0
+##
+## Unless required by applicable law or agreed to in writing, software
+## distributed under the License is distributed on an "AS IS" BASIS,
+## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+## See the License for the specific language governing permissions and
+## limitations under the License.
+## ---------------------------------------------------------------------------
+
+appender.out.type = Console
+appender.out.name = out
+appender.out.layout.type = PatternLayout
+appender.out.layout.pattern = %d [%-15.15t] %-5p %-30.30c{1} - %m%n
+rootLogger.level = INFO
+rootLogger.appenderRef.out.ref = out
diff --git a/examples/pom.xml b/examples/pom.xml
index 4413367..7ebf729 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -160,6 +160,7 @@
<module>camel-example-transformer-cdi</module>
<module>camel-example-transformer-demo</module>
<module>camel-example-twitter-websocket</module>
+ <module>camel-example-vertx-kafka</module>
<module>camel-example-widget-gadget-cdi</module>
<module>camel-example-widget-gadget-java</module>
<module>camel-example-widget-gadget-xml</module>