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Konrad Windszus commented on MNG-7375: -------------------------------------- Although true, this is due to a limitation in modello: https://github.com/codehaus-plexus/modello/blob/8467ab87f95557c8c6409f5ebe613caf240836b3/modello-plugins/modello-plugin-xsd/src/main/java/org/codehaus/modello/plugin/xsd/XsdGenerator.java#L245-L247 > Potential NPE in o.a.m.artifact.repository.metadata.Metadata.merge(...) with > invalid/incomplete plugin metadata > --------------------------------------------------------------------------------------------------------------- > > Key: MNG-7375 > URL: https://issues.apache.org/jira/browse/MNG-7375 > Project: Maven > Issue Type: Improvement > Components: Artifacts and Repositories > Affects Versions: 3.8.4 > Reporter: Konrad Windszus > Priority: Major > Attachments: NEXUS-30749 - Broken groupId metadata and follow-up NPE > during > org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp > - Sonatype JIRA.pdf > > > Currently the metadata at > https://repository.apache.org/service/local/repositories/snapshots/content/org/apache/jackrabbit/maven-metadata.xml > contains an invalid entry without a prefix: > {code:xml} > <metadata> > <plugins> > <plugin> > <name>Apache Jackrabbit FileVault - Package Maven Plugin</name> > <prefix>filevault-package</prefix> > <artifactId>filevault-package-maven-plugin</artifactId> > </plugin> > <plugin> > <name>filevault-package-maven-plugin</name> > <artifactId>filevault-package-maven-plugin</artifactId> > </plugin> > </plugins> > </metadata> > {code} > This leads to an NPE when trying to deploy a new version with > {{org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy(...)}}: > {noformat} > Caused by: java.lang.NullPointerException > at org.apache.maven.artifact.repository.metadata.Metadata.merge > (Metadata.java:276) > at > org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.updateRepositoryMetadata > (AbstractRepositoryMetadata.java:121) > at > org.apache.maven.artifact.repository.metadata.AbstractRepositoryMetadata.storeInLocalRepository > (AbstractRepositoryMetadata.java:67) > at org.apache.maven.artifact.repository.metadata.MetadataBridge.merge > (MetadataBridge.java:65) > at org.eclipse.aether.internal.impl.DefaultDeployer.upload > (DefaultDeployer.java:433) > at org.eclipse.aether.internal.impl.DefaultDeployer.deploy > (DefaultDeployer.java:321) > at org.eclipse.aether.internal.impl.DefaultDeployer.deploy > (DefaultDeployer.java:213) > at org.eclipse.aether.internal.impl.DefaultRepositorySystem.deploy > (DefaultRepositorySystem.java:386) > at org.apache.maven.artifact.deployer.DefaultArtifactDeployer.deploy > (DefaultArtifactDeployer.java:142) > {noformat} > Although this happened in the context of using > "[org.sonatype.plugins:nexus-staging-maven-plugin|https://github.com/sonatype/nexus-maven-plugins]:1.6.8" > (issue https://issues.sonatype.org/browse/NEXUS-30749 opened, exported to > [^NEXUS-30749 - Broken groupId metadata and follow-up NPE during > org.sonatype.nexus.maven.staging.deploy.strategy.AbstractDeployStrategy.deployUp > - Sonatype JIRA.pdf] ), the affected code is in Maven. > The metadata is probably invalid but the Metadata class should be more robust > when trying to do the merge in > https://github.com/apache/maven/blob/951b5ee95f40147abbc2bb9d928e408b85d5aef3/maven-repository-metadata/src/main/mdo/metadata.mdo#L100 > and just ignore all plugin entries without all mandatory elements. -- This message was sent by Atlassian Jira (v8.20.10#820010)