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 NebulaGraph 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.
Enterpriseonly
You can get Exchange Enterprise Edition in NebulaGraph Enterprise Edition Package only.
Prerequisites¶
- Install Maven.
- Install the correct version of Apache Spark. Exporting data from different sources requires different Spark versions. For more information, see Software dependencies.
Steps¶
-
Clone the repository
nebula-exchange
in the/
directory.git clone -b v3.0.0 https://github.com/vesoft-inc/nebula-exchange.git
-
Switch to the directory
nebula-exchange
.cd nebula-exchange
-
Package Nebula Exchange. Run the following command based on the Spark version:
-
For Spark 2.2:
mvn clean package -Dmaven.test.skip=true -Dgpg.skip -Dmaven.javadoc.skip=true \ -pl nebula-exchange_spark_2.2 -am -Pscala-2.11 -Pspark-2.2
-
For Spark 2.4:
mvn clean package -Dmaven.test.skip=true -Dgpg.skip -Dmaven.javadoc.skip=true \ -pl nebula-exchange_spark_2.4 -am -Pscala-2.11 -Pspark-2.4
-
For Spark 3.0:
mvn clean package -Dmaven.test.skip=true -Dgpg.skip -Dmaven.javadoc.skip=true \ -pl nebula-exchange_spark_3.0 -am -Pscala-2.12 -Pspark-3.0
-
After the compilation is successful, you can find the nebula-exchange_spark_x.x-v3.0.0.jar
file in the nebula-exchange_spark_x.x/target/
directory. x.x
indicates the Spark version, for example, 2.4
.
Note
The JAR file version changes with the release of the Nebula Java Client. Users can view the latest version on the Releases page.
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 directorylibexec/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>