apache/maven · error · UnresolvableModelException

The requested dependency version range '%s' does not specify

Error message

The requested dependency version range '%s' does not specify an upper bound

What it means

Error "The requested dependency version range '%s' does not specify an upper bound" thrown in apache/maven.

Source

Thrown at compat/maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/DefaultModelResolver.java:238

            final VersionRangeResult versionRangeResult =
                    versionRangeResolver.resolveVersionRange(session, versionRangeRequest);

            if (versionRangeResult.getHighestVersion() == null) {
                throw new UnresolvableModelException(
                        String.format(
                                "No versions matched the requested dependency version range '%s'",
                                dependency.getVersion()),
                        dependency.getGroupId(),
                        dependency.getArtifactId(),
                        dependency.getVersion());
            }

            if (versionRangeResult.getVersionConstraint() != null
                    && versionRangeResult.getVersionConstraint().getRange() != null
                    && versionRangeResult.getVersionConstraint().getRange().getUpperBound() == null) {
                // Message below is checked for in the MNG-4463 core IT.
                throw new UnresolvableModelException(
                        String.format(
                                "The requested dependency version range '%s' does not specify an upper bound",
                                dependency.getVersion()),
                        dependency.getGroupId(),
                        dependency.getArtifactId(),
                        dependency.getVersion());
            }

            dependency.setVersion(versionRangeResult.getHighestVersion().toString());

            return resolveModel(dependency.getGroupId(), dependency.getArtifactId(), dependency.getVersion());
        } catch (VersionRangeResolutionException e) {
            throw new UnresolvableModelException(
                    e.getMessage(), dependency.getGroupId(), dependency.getArtifactId(), dependency.getVersion(), e);
        }
    }
}

View on GitHub (pinned to e4093d4e12)

When it happens

Trigger: Thrown at compat/maven-resolver-provider/src/main/java/org/apache/maven/repository/internal/DefaultModelResolver.java:238 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/9ee759a1594ce60e. Report an issue: GitHub.