There have been some issues with Maven, see: https://issues.apache.org/jira/browse/LUCENE-9170
However, we do not officially support Maven builds, they’re there as a convenience, so there may still be issues in future. > On Jul 2, 2020, at 1:27 AM, Ali Akhtar <ali@ali.actor> wrote: > > If I try adding solr-core to an existing project, e.g (SBT): > > libraryDependencies += "org.apache.solr" % "solr-core" % "8.5.2" > > It fails due a 404 on the dependencies: > > Extracting structure failed > stack trace is suppressed; run last update for the full output > stack trace is suppressed; run last ssExtractDependencies for the full > output > (update) sbt.librarymanagement.ResolveException: Error downloading > org.restlet.jee:org.restlet:2.4.0 > Not found > Not found > not found: > /home/ali/.ivy2/local/org.restlet.jee/org.restlet/2.4.0/ivys/ivy.xml > not found: > https://repo1.maven.org/maven2/org/restlet/jee/org.restlet/2.4.0/org.restlet-2.4.0.pom > Error downloading org.restlet.jee:org.restlet.ext.servlet:2.4.0 > Not found > Not found > not found: > /home/ali/.ivy2/local/org.restlet.jee/org.restlet.ext.servlet/2.4.0/ivys/ivy.xml > not found: > https://repo1.maven.org/maven2/org/restlet/jee/org.restlet.ext.servlet/2.4.0/org.restlet.ext.servlet-2.4.0.pom > (ssExtractDependencies) sbt.librarymanagement.ResolveException: Error > downloading org.restlet.jee:org.restlet:2.4.0 > Not found > Not found > not found: > /home/ali/.ivy2/local/org.restlet.jee/org.restlet/2.4.0/ivys/ivy.xml > not found: > https://repo1.maven.org/maven2/org/restlet/jee/org.restlet/2.4.0/org.restlet-2.4.0.pom > Error downloading org.restlet.jee:org.restlet.ext.servlet:2.4.0 > Not found > Not found > not found: > /home/ali/.ivy2/local/org.restlet.jee/org.restlet.ext.servlet/2.4.0/ivys/ivy.xml > not found: > https://repo1.maven.org/maven2/org/restlet/jee/org.restlet.ext.servlet/2.4.0/org.restlet.ext.servlet-2.4.0.pom > > > > Any ideas? Do I need to add a specific repository to get it to compile?