Just an observation, because it's odd, that the Github link is null/null, but the project homepage links correctly: https://clojars.org/polymer/neon
Probably because the https://repo.clojars.org/polymer/neon/1.2.3-SNAPSHOT/neon-1.2.3-20151223.070209-5.pom is a little unusual.
<?xml version="1.0" encoding="UTF-8"?><project xmlns="" xmlns:xsi="" xsi:schemaLocation=" ">
<modelVersion>4.0.0</modelVersion>
<groupId>polymer</groupId>
<artifactId>neon</artifactId>
<packaging>jar</packaging>
<version>1.2.3-SNAPSHOT</version>
<name>neon</name>
<description>Polymer Neon markup functions</description>
<url></url>
<licenses>
<license>
<name>EPL</name>
<url></url>
</license>
</licenses>
<scm>
<connection>scm:git:</connection>
<developerConnection>scm:git:</developerConnection>
<tag>865104e51df00647f8c6dd47f75f53ccf0ae32a8
</tag>
<url> </url>
</scm>
<build>
<sourceDirectory>src</sourceDirectory>
<testSourceDirectory>test</testSourceDirectory>
<resources>
<resource>
<directory>resources</directory>
</resource>
</resources>
<testResources>
<testResource>
<directory>resources</directory>
</testResource>
</testResources>
<directory>target</directory>
<outputDirectory>target/classes</outputDirectory>
<plugins/>
</build>
<repositories>
<repository>
<id>central</id>
<url> </url>
<snapshots>
<enabled>false</enabled>
</snapshots>
<releases>
<enabled>true</enabled>
</releases>
</repository>
<repository>
<id>clojars</id>
<url> </url>
<snapshots>
<enabled>true</enabled>
</snapshots>
<releases>
<enabled>true</enabled>
</releases>
</repository>
</repositories>
<dependencies>
<dependency>
<groupId>org.clojure</groupId>
<artifactId>clojure</artifactId>
<version>1.8.0-RC4</version>
</dependency>
<dependency>
<groupId>miraj</groupId>
<artifactId>markup</artifactId>
<version>0.1.0-SNAPSHOT</version>
</dependency>
</dependencies>
</project>
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The <url> value of is good, but the <scm> -> <url> value of is not.Yep, that's exactly it. Thanks @lee!