There are 3 URLs we apparently try to download this jar and pom file from, all three give me 404 errors when pasting URL into a browser: https://repo.maven.apache.org/maven2/org/olap4j/olap4j/0.9.7.309-JS-3/olap4j-0.9.7.309-JS-3.pom http://jasperreports.sourceforge.net/maven2/org/olap4j/olap4j/0.9.7.309-JS-3/olap4j-0.9.7.309-JS-3.pom http://jaspersoft.artifactoryonline.com/jaspersoft/third-party-ce-artifacts/org/olap4j/olap4j/0.9.7.309-JS-3/olap4j-0.9.7.309-JS-3.pom https://repo.maven.apache.org/maven2/org/olap4j/olap4j/0.9.7.309-JS-3/olap4j-0.9.7.309-JS-3.jar http://jasperreports.sourceforge.net/maven2/org/olap4j/olap4j/0.9.7.309-JS-3/olap4j-0.9.7.309-JS-3.jar http://jaspersoft.artifactoryonline.com/jaspersoft/third-party-ce-artifacts/org/olap4j/olap4j/0.9.7.309-JS-3/olap4j-0.9.7.309-JS-3.jar