spring-projects/spring-boot · error · IllegalStateException

Error parsing Docker context metadata file '${metaPath}'

Error message

Error parsing Docker context metadata file '${metaPath}'

What it means

Error "Error parsing Docker context metadata file '${metaPath}'" thrown in spring-projects/spring-boot.

Source

Thrown at buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/docker/configuration/DockerConfigurationMetadata.java:146

	private static DockerContext createDockerContext(String configLocation, @Nullable String currentContext) {
		if (currentContext == null || DEFAULT_CONTEXT.equals(currentContext)) {
			return DockerContext.empty();
		}
		String hash = asHash(currentContext);
		Path metaPath = Path.of(configLocation, CONTEXTS_DIR, META_DIR, hash, CONTEXT_FILE_NAME);
		Path tlsPath = Path.of(configLocation, CONTEXTS_DIR, TLS_DIR, hash, DOCKER_ENDPOINT);
		if (!metaPath.toFile().exists()) {
			throw new IllegalArgumentException("Docker context '" + currentContext + "' does not exist");
		}
		try {
			DockerContext context = DockerContext.fromJson(readPathContent(metaPath));
			if (tlsPath.toFile().isDirectory()) {
				return context.withTlsPath(tlsPath.toString());
			}
			return context;
		}
		catch (JacksonException ex) {
			throw new IllegalStateException("Error parsing Docker context metadata file '" + metaPath + "'", ex);
		}
	}

	private static String asHash(String currentContext) {
		try {
			MessageDigest digest = MessageDigest.getInstance("SHA-256");
			byte[] hash = digest.digest(currentContext.getBytes(StandardCharsets.UTF_8));
			return HexFormat.of().formatHex(hash);
		}
		catch (NoSuchAlgorithmException ex) {
			throw new IllegalStateException("SHA-256 is not available", ex);
		}
	}

	private static String readPathContent(Path path) {
		try {
			return Files.readString(path);
		}

View on GitHub (pinned to 5b2dbdbb8b)

When it happens

Trigger: Thrown at buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/docker/configuration/DockerConfigurationMetadata.java:146 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of spring-projects/spring-boot@5b2dbdbb8b (2026-08-04). Data as JSON: /data/errors/4a127e945fd2075c.json. Report an issue: GitHub.