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Merge #18335: bitcoin-cli: print useful error if bitcoind rpc work queue exceeded

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8dd5946c0b add functional test (Larry Ruane)
b5a80fa7e4 util: Handle HTTP_SERVICE_UNAVAILABLE in bitcoin-cli (Hennadii Stepanov)

Pull request description:

  If `bitcoind` is processing 16 RPC requests, attempting to submit another request using `bitcoin-cli` produces this less-than-helpful error message: `error: couldn't parse reply from server`. This PR changes the error to: `error: server response: Work queue depth exceeded`.

ACKs for top commit:
  fjahr:
    tACK 8dd5946c0b
  luke-jr:
    utACK 8dd5946c0b (no changes since previous utACK)
  hebasto:
    re-ACK 8dd5946c0b, only suggested changes since my [previous](https://github.com/bitcoin/bitcoin/pull/18335#pullrequestreview-460621350) review.
  darosior:
    ACK 8dd5946c0b

Tree-SHA512: 33e25f6ff05d9b56fae2bdb68b132557bb8e995f5438ac4fbbc53c304c5152a98aa43c43600c31d8a6a2830cbd48bf8ec7d89dce50190b29ec00a43830126913
This commit is contained in:
MarcoFalke
2021-03-19 20:52:10 +01:00
parent 18cd0888ef 8dd5946c0b
commit 3530d5d2d8
3 changed files with 29 additions and 1 deletions
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2
src/httpserver.cpp
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@@ -262,7 +262,7 @@ static void http_request_cb(struct evhttp_request* req, void* arg)
item.release(); /* if true, queue took ownership */
else {
LogPrintf("WARNING: request rejected because http work queue depth exceeded, it can be increased with the -rpcworkqueue= setting\n");
item->req->WriteReply(HTTP_INTERNAL_SERVER_ERROR, "Work queue depth exceeded");
item->req->WriteReply(HTTP_SERVICE_UNAVAILABLE, "Work queue depth exceeded");
}
} else {
hreq->WriteReply(HTTP_NOT_FOUND);