vim conf/zoo.cfg
# The number of milliseconds of each tick
tickTime=2000
# The number of ticks that the initial
# synchronization phase can take
initLimit=10
# The number of ticks that can pass between
# sending a request and getting an acknowledgement
syncLimit=5
# the directory where the snapshot is stored.
dataDir=/पूर्ण_पथ/zookeeper-3.3.3/data
# the port at which the clients will connect
clientPort=2181

mkdir data
touch data/myid

cd /private/var/tmp/zookeeper-3.3.3/bin
./zkServer.sh start

git clone https://github.com/apache/dubbo-samples.git
cd dubbo-samples/dubbo-samples-api

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.example</groupId>
    <artifactId>dubbomytest</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>
    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>8</source>
                    <target>8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>


    <properties>
        <source.level>1.8</source.level>
        <target.level>1.8</target.level>
        <dubbo.version>2.7.6</dubbo.version>
        <junit.version>4.12</junit.version>
        <docker-maven-plugin.version>0.30.0</docker-maven-plugin.version>
        <jib-maven-plugin.version>1.2.0</jib-maven-plugin.version>
        <maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
        <maven-failsafe-plugin.version>2.21.0</maven-failsafe-plugin.version>
        <image.name>${project.artifactId}:${dubbo.version}</image.name>
        <java-image.name>openjdk:8</java-image.name>
        <dubbo.port>20880</dubbo.port>
        <zookeeper.port>2181</zookeeper.port>
        <main-class>org.apache.dubbo.samples.provider.Application</main-class>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo</artifactId>
            <version>2.7.3</version>
        </dependency>
        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo-common</artifactId>
            <version>2.7.3</version>
        </dependency>

        <dependency>
            <groupId>org.apache.dubbo</groupId>
            <artifactId>dubbo-dependencies-zookeeper</artifactId>
            <version>2.7.3</version>
            <type>pom</type>
        </dependency>
        <dependency>
            <groupId>org.apache.xbean</groupId>
            <artifactId>xbean-naming</artifactId>
            <version>4.15</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>${junit.version}</version>
            <scope>test</scope>
        </dependency>

    </dependencies>

</project>

<dependency>
    <groupId>org.apache.xbean</groupId>
    <artifactId>xbean-naming</artifactId>
    <version>4.15</version>
</dependency>

service.setRegistry(new RegistryConfig("zookeeper://" + zookeeperHost + ":" + zookeeperPort+"/?timeout=250000"));

<dependency>
   <groupId>org.apache.dubbo</groupId>
   <artifactId>dubbo-common</artifactId>
   <version>2.7.3</version>
</dependency>
<dependency>
   <groupId>org.apache.dubbo</groupId>
   <artifactId>dubbo</artifactId>
   <version>2.7.3</version>
</dependency>
<dependency>
   <groupId>org.apache.dubbo</groupId>
   <artifactId>dubbo-dependencies-zookeeper</artifactId>
   <version>2.7.3</version>
   <type>pom</type>
</dependency>
<dependency>
   <groupId>com.caucho</groupId>
   <artifactId>hessian</artifactId>
   <version>4.0.51</version>
</dependency>