apache/maven · error · IllegalArgumentException

unknown repository checksum policy: {artifactRepositoryPolic

Error message

unknown repository checksum policy: {artifactRepositoryPolicy}

What it means

Error "unknown repository checksum policy: {artifactRepositoryPolicy}" thrown in apache/maven.

Source

Thrown at impl/maven-impl/src/main/java/org/apache/maven/impl/resolver/ArtifactDescriptorUtils.java:88

            enabled = policy.isEnabled();
            if (policy.getUpdatePolicy() != null) {
                updates = policy.getUpdatePolicy();
            }
            if (policy.getChecksumPolicy() != null) {
                checksums = policy.getChecksumPolicy();
            }
        }

        return new RepositoryPolicy(enabled, updates, checksums);
    }

    public static String toRepositoryChecksumPolicy(final String artifactRepositoryPolicy) {
        return switch (artifactRepositoryPolicy) {
            case RepositoryPolicy.CHECKSUM_POLICY_FAIL -> RepositoryPolicy.CHECKSUM_POLICY_FAIL;
            case RepositoryPolicy.CHECKSUM_POLICY_IGNORE -> RepositoryPolicy.CHECKSUM_POLICY_IGNORE;
            case RepositoryPolicy.CHECKSUM_POLICY_WARN -> RepositoryPolicy.CHECKSUM_POLICY_WARN;
            default ->
                throw new IllegalArgumentException("unknown repository checksum policy: " + artifactRepositoryPolicy);
        };
    }
}

View on GitHub (pinned to e4093d4e12)

When it happens

Trigger: Thrown at impl/maven-impl/src/main/java/org/apache/maven/impl/resolver/ArtifactDescriptorUtils.java:88 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/63796779c59ee4c9. Report an issue: GitHub.