spring-projects/spring-boot · error · IllegalStateException

zstd compression is not supported

Error message

zstd compression is not supported

What it means

Error "zstd compression is not supported" thrown in spring-projects/spring-boot.

Source

Thrown at buildpack/spring-boot-buildpack-platform/src/main/java/org/springframework/boot/buildpack/platform/io/TarArchive.java:135

		 * The tar file is not compressed.
		 */
		NONE((inputStream) -> inputStream),

		/**
		 * The tar file is compressed using gzip.
		 */
		GZIP(GZIPInputStream::new),

		/**
		 * The tar file is compressed using zstd.
		 */
		ZSTD("zstd compression is not supported");

		private final ThrowingFunction<InputStream, InputStream> uncompressor;

		Compression(String uncompressError) {
			this((inputStream) -> {
				throw new IllegalStateException(uncompressError);
			});
		}

		Compression(ThrowingFunction<InputStream, InputStream> wrapper) {
			this.uncompressor = wrapper;
		}

		InputStream uncompress(InputStream inputStream) {
			return this.uncompressor.apply(inputStream);
		}

	}

}

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/io/TarArchive.java:135 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/6743e0b118873542.json. Report an issue: GitHub.