apache/maven · error · ModelResolverException

The requested {modelType }version range '{version}'{ (at loc

Error message

The requested {modelType }version range '{version}'{ (at location)} does not specify an upper bound

What it means

Error "The requested {modelType }version range '{version}'{ (at location)} does not specify an upper bound" thrown in apache/maven.

Source

Thrown at impl/maven-impl/src/main/java/org/apache/maven/impl/resolver/DefaultModelResolver.java:137

    public ModelResolverResult doResolveModel(
            @Nonnull ModelResolverRequest request, InputLocation location, String modelType)
            throws ModelResolverException {
        Session session = request.session();
        String groupId = request.groupId();
        String artifactId = request.artifactId();
        String version = request.version();
        String classifier = request.classifier();
        String extension = request.extension();
        List<RemoteRepository> repositories = request.repositories();

        RequestTraceHelper.ResolverTrace trace = RequestTraceHelper.enter(session, request);
        try {
            ArtifactCoordinates coords =
                    session.createArtifactCoordinates(groupId, artifactId, version, classifier, extension, null);
            if (coords.getVersionConstraint().getVersionRange() != null
                    && coords.getVersionConstraint().getVersionRange().getUpperBoundary() == null) {
                // Message below is checked for in the MNG-2199 core IT.
                throw new ModelResolverException(
                        "The requested " + (modelType != null ? modelType + " " : "") + "version range '" + version
                                + "'"
                                + (location != null ? " (at " + location + ")" : "")
                                + " does not specify an upper bound",
                        groupId,
                        artifactId,
                        version);
            }
            String newVersion = session.resolveHighestVersion(coords, repositories)
                    .orElseThrow(() -> new ModelResolverException(
                            "No versions matched the requested " + (modelType != null ? modelType + " " : "")
                                    + "version range '" + version + "'",
                            groupId,
                            artifactId,
                            version))
                    .toString();
            String resultVersion = version.equals(newVersion) ? null : newVersion;
            Path path = getPath(session, repositories, groupId, artifactId, newVersion, classifier, extension);

View on GitHub (pinned to e4093d4e12)

When it happens

Trigger: Thrown at impl/maven-impl/src/main/java/org/apache/maven/impl/resolver/DefaultModelResolver.java:137 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of apache/maven@e4093d4e12 (2026-08-21). Data as JSON: /api/errors/977d49001c17bc3b. Report an issue: GitHub.