The Solr nightly builds are run on Jenkins (the continuous integration server formerly known as Hudson).
Jenkins Nightly Builds
Dedicated nightly Maven builds are run on Jenkins for both Solr and Lucene:
Snapshots are deployed from the above two builds to the Apache Snapshot repository. Add the following to your pom.xml to use these artifacts:
<repository> <id>apache.snapshots</id> <name>Apache Snapshot Repository</name> <url>http://repository.apache.org/snapshots</url> <releases> <enabled>false</enabled> </releases> </repository>