I have not looked into it, but it sounds like something that deserves a JIRA to look into. To clarify, your app imports solr-solrj to act as a client, and you are forced to manually specify jackson version. You do not depend on solr-core directly?
Jan > 7. mars 2026 kl. 08:28 skrev Bram Luyten <[email protected]>: > > Hi, > > I've been lurking on the sidelines on your mailinglist since December > watching the final steps of the SOLR 10 release, thank you very much for > all the work and congratulations on the release!!! > > While integrating Solr 10.0.0 as a Maven dependency in our project > (DSpace), we discovered that the published POMs for solr-core, solr-solrj, > and solr-api on Maven Central are missing <version> elements for their > Jackson 2 (com.fasterxml.jackson) dependencies. > > Affected artifacts: > > solr-core:10.0.0 jackson-annotations, jackson-core, jackson-databind, > jackson-dataformat-smile, jackson-dataformat-cbor > solr-solrj:10.0.0 jackson-databind, jackson-annotations, jackson-core > solr-api:10.0.0 jackson-annotations > > Impact: Maven marks these POMs as invalid and refuses to resolve any > transitive dependencies from the affected modules. For solr-core, this > means ~50+ transitive dependencies are silently lost (Jersey, > OpenTelemetry, Curator, Lucene modules, HPPC, etc.). Projects that use > solr-core as a test dependency for EmbeddedSolrServer must manually declare > all of these. > > Maven warning: > [WARNING] The POM for org.apache.solr:solr-core:jar:10.0.0 is invalid, > transitive dependencies > (if any) will not be available: 5 problems were encountered while > building the effective model > for org.apache.solr:solr-core:10.0.0 > [ERROR] 'dependencies.dependency.version' for > com.fasterxml.jackson.core:jackson-annotations:jar is missing. > [ERROR] 'dependencies.dependency.version' for > com.fasterxml.jackson.core:jackson-core:jar is missing. > [ERROR] 'dependencies.dependency.version' for > com.fasterxml.jackson.core:jackson-databind:jar is missing. > [ERROR] 'dependencies.dependency.version' for > com.fasterxml.jackson.dataformat:jackson-dataformat-smile:jar is missing. > [ERROR] 'dependencies.dependency.version' for > com.fasterxml.jackson.dataformat:jackson-dataformat-cbor:jar is missing. > > Root cause (likely): Solr 10 uses Gradle for building and uses a Jackson 2 > BOM (jackson-bom) for version management. The Gradle maven-publish plugin > generates the POM from the Gradle model, but BOM-managed versions are not > resolved/flattened into the published POM. Since the published POM has no > <parent> element, there is no BOM to fall back on at consumption time. > > Workaround: Projects that depend on solr-core (e.g. for testing with > EmbeddedSolrServer) must explicitly declare all dependencies that would > normally come transitively through solr-core. In our case this meant adding > ~20 explicit test dependencies to match what solr-core would have provided. > > Would it be worth creating a JIRA for this? The fix would likely involve > either adding explicit versions to the Gradle dependency declarations for > Jackson, or configuring the maven-publish plugin to resolve BOM-managed > versions when generating POMs. > > Thanks, > > Bram Luyten, Atmire --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
