oap-server/server-storage-plugin/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
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<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">
    <parent>
        <artifactId>oap-server</artifactId>
        <groupId>org.apache.skywalking</groupId>
        <version>8.6.0</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>server-storage-plugin</artifactId>
    <packaging>pom</packaging>
    <modules>
        <module>storage-jdbc-hikaricp-plugin</module>
        <module>storage-elasticsearch-plugin</module>
        <module>storage-elasticsearch7-plugin</module>
        <module>storage-zipkin-elasticsearch7-plugin</module>
        <module>storage-influxdb-plugin</module>
        <module>storage-tidb-plugin</module>
    </modules>

</project>