Build fails - 503 error

[m-rather-d]

Hi, not sure if this is the right forum for this question.. If not ,please let me know where to raise this issue.

We have been using this and few other related libraries for a while now and builds have been working BUT recently (a week or so back) Maven build fails with the following error:

Failed to execute goal on project ###-as-core: Could not resolve dependencies for project XXX:bundle:1.0.38-SNAPSHOT: 
Failed to collect dependencies at com.day.cq:cq-tagging:jar:5.8.20: 
Failed to read artifact descriptor for com.day.cq:cq-tagging:jar:5.8.20: 
Could not transfer artifact com.day.cq:cq-tagging:pom:5.8.20 from/to citytech-public (http://nexus.citytech.ctmsp.com/content/groups/public): 
Failed to transfer http://nexus.citytech.ctmsp.com/content/groups/public/com/day/cq/cq-tagging/5.8.20/cq-tagging-5.8.20.pom. 
Error code 503, Service Temporarily Unavailable

below are some of our pom.xml snippets.
Also we are building this for AEM 6.1

As of now the workaround we are using is that we run Maven Build 'offline'.. But if we need to recreate an environment (new dev environment, blue/green deploys) where these libraries are not already downloaded, it would still be an issue.

 <parent>
        <groupId>com.icfolson.aem.library</groupId>
        <artifactId>aem-library</artifactId>
        <version>6.0.4</version>
    </parent>

<!-- versions -->
        <aem.library.version>6.0.4</aem.library.version>
        <multicompositeaddon.version>2.1.0</multicompositeaddon.version>
        <component.plugin.version>4.2.0</component.plugin.version>
        <acs.aem.commons.version>2.7.2</acs.aem.commons.version>

 <dependency>
                <groupId>com.icfolson.aem.library</groupId>
                <artifactId>aem-library-core</artifactId>
                <version>${aem.library.version}</version>
            </dependency>
            <dependency>
                <groupId>com.icfolson.aem.library</groupId>
                <artifactId>aem-library-api</artifactId>
                <version>${aem.library.version}</version>
            </dependency>
            <dependency>
                <groupId>com.icfolson.aem.library</groupId>
                <artifactId>aem-library-models</artifactId>
                <version>${aem.library.version}</version>
            </dependency>
            <dependency>
                <groupId>com.icfolson.aem.library</groupId>
                <artifactId>aem-library-ui</artifactId>
                <version>${aem.library.version}</version>
                <type>zip</type>
            </dependency>
            <dependency>
                <groupId>com.citytechinc.aem</groupId>
                <artifactId>multicomposite-addon</artifactId>
                <version>${multicompositeaddon.version}</version>
            </dependency>

as of right now, invoking this url returns 503 http://nexus.citytech.ctmsp.com/

[m-rather-d]

It seems the site is back up again after a few days.This issue can be closed.
http://nexus.citytech.ctmsp.com/content/groups/public/ loads as well as I was able to do a build with offline flag off.