ECONTENTENCODING grpc encoding_error ai_generated true

UNIMPLEMENTED: grpc: unsupported content encoding "gzip"

ID: grpc/unsupported-content-encoding

Also available as: JSON · Markdown · 中文
85%Fix Rate
88%Confidence
1Evidence
2024-03-15First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
gRPC v1.60.0 active — — —
gRPC v1.62.0 active — — —
gRPC v1.64.0 active — — —

Root Cause

Server received a compressed request using an unsupported content encoding algorithm, typically because the server was not built with the corresponding compression library.

generic

中文

服务器收到使用了不支持的压缩编码算法的压缩请求，通常是因为服务器没有使用相应的压缩库构建。

Official Documentation

https://grpc.io/docs/guides/compression/

Workarounds

  1. 90% success Enable the 'gzip' compression on the server by registering the gzip codec: `import grpc; server = grpc.server(futures.ThreadPoolExecutor(max_workers=10), compression=grpc.Compression.Gzip)` 
    Enable the 'gzip' compression on the server by registering the gzip codec: `import grpc; server = grpc.server(futures.ThreadPoolExecutor(max_workers=10), compression=grpc.Compression.Gzip)`
  2. 80% success If the server cannot be modified, configure the client to use 'identity' (no compression) for that specific call: `channel = grpc.insecure_channel(target, options=[('grpc.default_compression_algorithm', 0)])` 
    If the server cannot be modified, configure the client to use 'identity' (no compression) for that specific call: `channel = grpc.insecure_channel(target, options=[('grpc.default_compression_algorithm', 0)])`
  3. 85% success Ensure the server binary is compiled with the optional compression library (e.g., zlib) by rebuilding with `-DgRPC_BUILD_CODEC=ON`. 
    Ensure the server binary is compiled with the optional compression library (e.g., zlib) by rebuilding with `-DgRPC_BUILD_CODEC=ON`.

中文步骤

  1. Enable the 'gzip' compression on the server by registering the gzip codec: `import grpc; server = grpc.server(futures.ThreadPoolExecutor(max_workers=10), compression=grpc.Compression.Gzip)`
  2. If the server cannot be modified, configure the client to use 'identity' (no compression) for that specific call: `channel = grpc.insecure_channel(target, options=[('grpc.default_compression_algorithm', 0)])`
  3. Ensure the server binary is compiled with the optional compression library (e.g., zlib) by rebuilding with `-DgRPC_BUILD_CODEC=ON`.

Dead Ends

Common approaches that don't work:

  1. Disabling compression on the client side entirely. 40% fail

    Compression may be required for large payloads or mandated by network policies; disabling can cause performance degradation or rejection by other services.

  2. Setting the environment variable GRPC_DEFAULT_SSL_ROOTS_FILE_PATH to a custom cert path. 95% fail

    This addresses TLS certificate issues, not content encoding errors; the compression algorithm is negotiated at the HTTP/2 layer.

  3. Upgrading the gRPC client version without server-side changes. 60% fail

    The server must also support the encoding; client-only changes do not affect server capabilities.