apache/maven · error

*** CHECKSUM FAILED - {} - IGNORING

Error message

*** CHECKSUM FAILED - {} - IGNORING

What it means

Error "*** CHECKSUM FAILED - {} - IGNORING" thrown in apache/maven.

Source

Thrown at compat/maven-compat/src/main/java/org/apache/maven/repository/legacy/DefaultWagonManager.java:603

    }

    private ChecksumObserver addChecksumObserver(Wagon wagon, String algorithm) throws TransferFailedException {
        try {
            ChecksumObserver checksumObserver = new ChecksumObserver(algorithm);
            wagon.addTransferListener(checksumObserver);
            return checksumObserver;
        } catch (NoSuchAlgorithmException e) {
            throw new TransferFailedException("Unable to add checksum for unsupported algorithm " + algorithm, e);
        }
    }

    private void handleChecksumFailure(String checksumPolicy, String message, Throwable cause)
            throws ChecksumFailedException {
        if (ArtifactRepositoryPolicy.CHECKSUM_POLICY_FAIL.equals(checksumPolicy)) {
            throw new ChecksumFailedException(message, cause);
        } else if (!ArtifactRepositoryPolicy.CHECKSUM_POLICY_IGNORE.equals(checksumPolicy)) {
            // warn if it is set to anything other than ignore
            logger.warn("*** CHECKSUM FAILED - " + message + " - IGNORING");
        }
        // otherwise it is ignored
    }

    private void verifyChecksum(
            ChecksumObserver checksumObserver,
            File destination,
            File tempDestination,
            String remotePath,
            String checksumFileExtension,
            Wagon wagon)
            throws ResourceDoesNotExistException, TransferFailedException, AuthorizationException {
        try {
            // grab it first, because it's about to change...
            String actualChecksum = checksumObserver.getActualChecksum();

            File tempChecksumFile = new File(tempDestination + checksumFileExtension + ".tmp");
            tempChecksumFile.deleteOnExit();

View on GitHub (pinned to e4093d4e12)

When it happens

Trigger: Thrown at compat/maven-compat/src/main/java/org/apache/maven/repository/legacy/DefaultWagonManager.java:603 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/734fe3c6b34f8323. Report an issue: GitHub.