How to resolve Could not find artifact org.eclipse.rcptt.extensions.ecl:parent:pom:2.3.0-SNAPSHOT

Question

Getting compilation error as

Non-resolvable parent POM for org.eclipse.rcptt.extensions.ecl:org.eclipse.rcptt.extensions.ecl.model:2.3.0-SNAPSHOT: Could not find artifact org.eclipse.rcptt.extensions.ecl:parent:pom:2.3.0-SNAPSHOT

I am using pom.xml as follows

<parent>
    <groupId>org.eclipse.rcptt.extensions.ecl</groupId>
    <artifactId>parent</artifactId>
    <version>2.3.0-SNAPSHOT</version>
    <relativePath>../../../pom.xml</relativePath>
</parent>

<groupId>org.eclipse.rcptt.extensions.ecl</groupId>
<artifactId>org.eclipse.rcptt.extensions.ecl.model</artifactId>
<version>2.3.0-SNAPSHOT</version>
<packaging>eclipse-plugin</packaging>