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The Lambda Runtime API does not always send Content-Length headers, using Transfer-Encoding: chunked instead. This caused the bootstrap to read 0 bytes, passing empty events to handlers. Additionally, sendResponse/sendError did not read the Runtime API acknowledgment, causing InvalidStateTransition errors on subsequent invocations. Changes: - Case-insensitive header parsing in getNextInvocation - Chunked transfer encoding support - Connection: close on all requests - Read status line after sendResponse/sendError
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The Lambda Runtime API does not always send Content-Length headers, using Transfer-Encoding: chunked instead. This caused the bootstrap to read 0 bytes, passing empty events to handlers.
Additionally, sendResponse/sendError did not read the Runtime API acknowledgment, causing InvalidStateTransition errors on subsequent invocations.
Changes: