fix: use a dedicated daemon connection for background MCP indexing#98
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georgeh0 merged 1 commit intococoindex-io:mainfrom Mar 19, 2026
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Background indexing during MCP startup shared the same DaemonClient
(multiprocessing connection) as foreground search requests. Concurrent
sends/recvs on the single pipe corrupted data, causing:
Query failed: Input data was truncated
_bg_index() now acquires a fresh DaemonClient via ensure_daemon(),
uses it for indexing, and always closes it in finally. Both MCP
startup paths are fixed (cli.py `ccc mcp` and server.py `cocoindex-code`).
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Thanks for the fix! |
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Background indexing during MCP startup shared the same DaemonClient (multiprocessing connection) as foreground search requests. Concurrent sends/recvs on the single pipe corrupted data, causing:
_bg_index() now acquires a fresh DaemonClient via ensure_daemon(), uses it for indexing, and always closes it in finally. Both MCP startup paths are fixed (cli.py
ccc mcpand server.pycocoindex-code).