Removed camel-spark-rest example
diff --git a/examples/camel-example-spark-rest/README.adoc b/examples/camel-example-spark-rest/README.adoc
deleted file mode 100644
index b4c35f4..0000000
--- a/examples/camel-example-spark-rest/README.adoc
+++ /dev/null
@@ -1,78 +0,0 @@
-== Camel Spark REST
-
-=== Introduction
-
-This example shows how to use Spark REST to define REST endpoints in
-Camel routes using the Rest DSL Spark requires Java 8, so you will need
-to use Java 8.
-
-=== Introduction
-
-This is an example that uses the rest-dsl to define a rest services
-which provides three operations
-
-* GET user/view/{id} - View user by id
-* GET user/list - List all users
-* PUT user/update - Updates or create a user
-
-=== Build
-
-You will need to compile this example first:
-
-....
-mvn compile
-....
-
-=== Run
-
-To run the example type
-
-....
-mvn camel:run
-....
-
-The rest service can be accessed from the following url
-
-....
-curl http://localhost:8080/user
-....
-
-http://localhost:8080/user
-
-For example to get a user with id 123
-
-....
-curl http://localhost:8080/user/view/123
-....
-
-http://localhost:8080/user/view/123
-
-And to list all the users
-
-....
-curl http://localhost:8080/user/list
-....
-
-http://localhost:8080/user/view/list
-
-The rest services provides Swagger API which can be accessed from the
-following url in json or yaml format:
-
-....
-curl http://localhost:8080/api-doc/swagger.json
-curl http://localhost:8080/api-doc/swagger.yaml
-....
-
-http://localhost:8080/api-doc/swagger.json
-
-To stop the example hit ctrl+c
-
-=== 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-spark-rest/pom.xml b/examples/camel-example-spark-rest/pom.xml
deleted file mode 100644
index 36ba536..0000000
--- a/examples/camel-example-spark-rest/pom.xml
+++ /dev/null
@@ -1,115 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-
-    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>3.2.0-SNAPSHOT</version>
-    </parent>
-
-    <artifactId>camel-example-spark-rest</artifactId>
-    <name>Camel :: Example :: Spark Rest</name>
-    <description>An example using Spark Rest</description>
-
-    <properties>
-        <category>Rest</category>
-        <title>Spark Rest</title>
-    </properties>
-
-    <dependencyManagement>
-        <dependencies>
-            <!-- Add Camel BOM -->
-            <dependency>
-                <groupId>org.apache.camel</groupId>
-                <artifactId>camel-bom</artifactId>
-                <version>${camel.version}</version>
-                <type>pom</type>
-                <scope>import</scope>
-            </dependency>
-        </dependencies>
-    </dependencyManagement>
-
-    <dependencies>
-
-        <!-- camel -->
-        <dependency>
-            <groupId>org.apache.camel</groupId>
-            <artifactId>camel-core</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.camel</groupId>
-            <artifactId>camel-main</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.camel</groupId>
-            <artifactId>camel-spark-rest</artifactId>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.camel</groupId>
-            <artifactId>camel-swagger-java</artifactId>
-        </dependency>
-
-        <!-- use for json binding -->
-        <dependency>
-            <groupId>org.apache.camel</groupId>
-            <artifactId>camel-jackson</artifactId>
-        </dependency>
-
-        <!-- logging -->
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-api</artifactId>
-            <version>${log4j2-version}</version>
-            <scope>runtime</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-core</artifactId>
-            <version>${log4j2-version}</version>
-            <scope>runtime</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.logging.log4j</groupId>
-            <artifactId>log4j-slf4j-impl</artifactId>
-            <version>${log4j2-version}</version>
-            <scope>runtime</scope>
-        </dependency>
-
-    </dependencies>
-
-    <build>
-
-        <!-- to run with mvn camel:run -->
-        <plugins>
-            <plugin>
-                <groupId>org.apache.camel</groupId>
-                <artifactId>camel-maven-plugin</artifactId>
-                <version>${camel.version}</version>
-                <configuration>
-                    <mainClass>org.apache.camel.example.spark.UserMain</mainClass>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
-</project>
diff --git a/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/User.java b/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/User.java
deleted file mode 100644
index bb71ff6..0000000
--- a/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/User.java
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * 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.
- */
-package org.apache.camel.example.spark;
-
-public class User {
-
-    private int id;
-    private String name;
-
-    public User() {
-    }
-
-    public User(int id, String name) {
-        this.id = id;
-        this.name = name;
-    }
-
-    public int getId() {
-        return id;
-    }
-
-    public void setId(int id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-}
diff --git a/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserMain.java b/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserMain.java
deleted file mode 100644
index 1a75cc7..0000000
--- a/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserMain.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * 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.
- */
-package org.apache.camel.example.spark;
-
-import org.apache.camel.main.Main;
-
-public final class UserMain {
-
-    private UserMain() {
-        // to comply with checkstyle rule
-    }
-
-    public static void main(String[] args) throws Exception {
-        Main main = new Main();
-        main.bind("userService", new UserService());
-        main.addRoutesBuilder(new UserRouteBuilder());
-        main.run();
-    }
-}
diff --git a/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserRouteBuilder.java b/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserRouteBuilder.java
deleted file mode 100644
index 7cf0dcc..0000000
--- a/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserRouteBuilder.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * 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.
- */
-package org.apache.camel.example.spark;
-
-import org.apache.camel.builder.RouteBuilder;
-import org.apache.camel.model.rest.RestBindingMode;
-
-/**
- * Define REST services using the Camel REST DSL
- */
-public class UserRouteBuilder extends RouteBuilder {
-
-    @Override
-    public void configure() throws Exception {
-
-        // configure we want to use spark-rest on port 8080 as the component for the rest DSL
-        // and for the swagger api-doc as well
-        restConfiguration().component("spark-rest").apiContextPath("api-doc").port(8080)
-            // and we enable json binding mode
-            .bindingMode(RestBindingMode.json)
-            // and output using pretty print
-            .dataFormatProperty("prettyPrint", "true");
-
-        // this user REST service is json only
-        rest("/user").consumes("application/json").produces("application/json")
-
-            .get("/view/{id}").outType(User.class)
-                .to("bean:userService?method=getUser(${header.id})")
-
-            .get("/list").outType(User[].class)
-                .to("bean:userService?method=listUsers")
-
-            .put("/update").type(User.class).outType(User.class)
-                .to("bean:userService?method=updateUser");
-    }
-
-}
diff --git a/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserService.java b/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserService.java
deleted file mode 100644
index c2164c8..0000000
--- a/examples/camel-example-spark-rest/src/main/java/org/apache/camel/example/spark/UserService.java
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * 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.
- */
-package org.apache.camel.example.spark;
-
-import java.util.Collection;
-import java.util.Map;
-import java.util.TreeMap;
-
-/**
- * A {@link org.apache.camel.example.spark.User} service which we rest enable from the {@link org.apache.camel.example.spark.UserRouteBuilder}.
- */
-public class UserService {
-
-    // use a tree map so they become sorted
-    private final Map<String, User> users = new TreeMap<>();
-
-    public UserService() {
-        users.put("123", new User(123, "John Doe"));
-        users.put("456", new User(456, "Donald Duck"));
-    }
-
-    /**
-     * Gets a user by the given id
-     *
-     * @param id  the id of the user
-     * @return the user, or <tt>null</tt> if no user exists
-     */
-    public User getUser(String id) {
-        return users.get(id);
-    }
-
-    /**
-     * List all users
-     *
-     * @return the list of all users
-     */
-    public Collection<User> listUsers() {
-        return users.values();
-    }
-
-    /**
-     * Updates or creates the given user
-     *
-     * @param user the user
-     * @return the old user before it was updated, or <tt>null</tt> if creating a new user
-     */
-    public User updateUser(User user) {
-        return users.put("" + user.getId(), user);
-    }
-}
diff --git a/examples/camel-example-spark-rest/src/main/resources/META-INF/LICENSE.txt b/examples/camel-example-spark-rest/src/main/resources/META-INF/LICENSE.txt
deleted file mode 100644
index 6b0b127..0000000
--- a/examples/camel-example-spark-rest/src/main/resources/META-INF/LICENSE.txt
+++ /dev/null
@@ -1,203 +0,0 @@
-
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diff --git a/examples/camel-example-spark-rest/src/main/resources/META-INF/NOTICE.txt b/examples/camel-example-spark-rest/src/main/resources/META-INF/NOTICE.txt
deleted file mode 100644
index 2e215bf..0000000
--- a/examples/camel-example-spark-rest/src/main/resources/META-INF/NOTICE.txt
+++ /dev/null
@@ -1,11 +0,0 @@
-   =========================================================================
-   ==  NOTICE file corresponding to the section 4 d of                    ==
-   ==  the Apache License, Version 2.0,                                   ==
-   ==  in this case for the Apache Camel distribution.                    ==
-   =========================================================================
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-   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-spark-rest/src/main/resources/log4j2.properties b/examples/camel-example-spark-rest/src/main/resources/log4j2.properties
deleted file mode 100644
index 9deb51c..0000000
--- a/examples/camel-example-spark-rest/src/main/resources/log4j2.properties
+++ /dev/null
@@ -1,23 +0,0 @@
-## ---------------------------------------------------------------------------
-## 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.
-## ---------------------------------------------------------------------------
-
-appender.console.type = Console
-appender.console.name = console
-appender.console.layout.type = PatternLayout
-appender.console.layout.pattern = %d [%-15.15t] %-5p %-30.30c{1} - %m%n
-rootLogger.level = INFO
-rootLogger.appenderRef.console.ref = console
diff --git a/examples/pom.xml b/examples/pom.xml
index fa8925f..30cf46c 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -142,7 +142,6 @@
         <module>camel-example-route-throttling</module>
         <module>camel-example-servlet-rest-blueprint</module>
         <module>camel-example-servlet-tomcat</module>
-        <module>camel-example-spark-rest</module>
         <module>camel-example-splunk</module>
         <module>camel-example-spring</module>
         <module>camel-example-spring-javaconfig</module>
@@ -178,8 +177,8 @@
         <jdk.version>1.8</jdk.version>
         <compiler.fork>false</compiler.fork>
 
-        <camel.version>3.2.0-SNAPSHOT</camel.version>
-        <camel.karaf.version>3.2.0-SNAPSHOT</camel.karaf.version>
+        <camel.version>3.2.0</camel.version>
+        <camel.karaf.version>3.2.0</camel.karaf.version>
 
         <!-- Versions -->
         <exec-maven-plugin-version>1.6.0</exec-maven-plugin-version>