apache/maven · error · IllegalArgumentException

Not fully interpolated artifact {artifact}

Error message

Not fully interpolated artifact {artifact}

What it means

Error "Not fully interpolated artifact {artifact}" thrown in apache/maven.

Source

Thrown at impl/maven-impl/src/main/java/org/apache/maven/impl/resolver/validator/MavenValidator.java:51

public class MavenValidator implements Validator {
    private final boolean validatePathComponents;

    public MavenValidator(boolean validatePathComponents) {
        this.validatePathComponents = validatePathComponents;
    }

    protected boolean containsPlaceholder(String value) {
        return value != null && value.contains("${");
    }

    @Override
    public void validateArtifact(Artifact artifact) throws IllegalArgumentException {
        if (containsPlaceholder(artifact.getGroupId())
                || containsPlaceholder(artifact.getArtifactId())
                || containsPlaceholder(artifact.getVersion())
                || containsPlaceholder(artifact.getClassifier())
                || containsPlaceholder(artifact.getExtension())) {
            throw new IllegalArgumentException("Not fully interpolated artifact " + artifact);
        }
        if (validatePathComponents) {
            PathUtils.validateArtifactComponents(artifact);
        }
    }

    @Override
    public void validateMetadata(Metadata metadata) throws IllegalArgumentException {
        if (containsPlaceholder(metadata.getGroupId())
                || containsPlaceholder(metadata.getArtifactId())
                || containsPlaceholder(metadata.getVersion())
                || containsPlaceholder(metadata.getType())) {
            throw new IllegalArgumentException("Not fully interpolated metadata " + metadata);
        }
        if (validatePathComponents) {
            PathUtils.validateMetadataComponents(metadata);
        }
    }

View on GitHub (pinned to e4093d4e12)

When it happens

Trigger: Thrown at impl/maven-impl/src/main/java/org/apache/maven/impl/resolver/validator/MavenValidator.java:51 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/5973e232ac91c843. Report an issue: GitHub.