Get Exchange¶

This topic introduces how to get the JAR file of Nebula Exchange.

Download the JAR file directly¶

The JAR file of Exchange Community Edition can be downloaded directly.

To download Exchange Enterprise Edition, get Nebula Graph Enterprise Edition Package first.

Get the JAR file by compiling the source code¶

You can get the JAR file of Exchange Community Edition by compiling the source code. The following introduces how to compile the source code of Exchange.

Prerequisites¶

• Install Maven.

• Download pulsar-spark-connector_2.11, and unzip it to io/streamnative/connectors directory of the local Maven library.

Steps¶

1. Clone the repository nebula-exchange in the / directory.

   git clone -b v2.6 https://github.com/vesoft-inc/nebula-exchange.git
   

2. Switch to the directory nebula-exchange.

   cd nebula-exchange/nebula-exchange
   

3. Package Nebula Exchange.

   mvn clean package -Dmaven.test.skip=true -Dgpg.skip -Dmaven.javadoc.skip=true
   

After the compilation is successful, you can view a directory structure similar to the following in the current directory.

.
├── README-CN.md
├── README.md
├── pom.xml
├── src
│   ├── main
│   └── test
└── target
    ├── classes
    ├── classes.timestamp
    ├── maven-archiver
    ├── nebula-exchange-2.x.y-javadoc.jar
    ├── nebula-exchange-2.x.y-sources.jar
    ├── nebula-exchange-2.x.y.jar
    ├── original-nebula-exchange-2.x.y.jar
    └── site

In the target directory, users can find the exchange-2.x.y.jar file.

When migrating data, you can refer to configuration file target/classes/application.conf.

Failed to download the dependency package¶

If downloading dependencies fails when compiling:

• Check the network settings and ensure that the network is normal.

• Modify the mirror part of Maven installation directory libexec/conf/settings.xml:

  <mirror>
   <id>alimaven</id>
   <mirrorOf>central</mirrorOf>
   <name>aliyun maven</name>
   <url>http://maven.aliyun.com/nexus/content/repositories/central/</url>
  </mirror>