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Error with AWS signing: argument "cache" is missing, with no default #705

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jcheng5 opened this issue Mar 19, 2025 · 0 comments · May be fixed by #706
Open

Error with AWS signing: argument "cache" is missing, with no default #705

jcheng5 opened this issue Mar 19, 2025 · 0 comments · May be fixed by #706

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@jcheng5
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jcheng5 commented Mar 19, 2025 •
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This happens when trying to use ellmer with Bedrock. Reproduced by @jvroberts, @pyltime, and myself, the latter two on Posit's internal workbench instance.

Appears to have been introduced by #676.

Repro

chat <- ellmer::chat_bedrock(
  model = "us.anthropic.claude-3-5-sonnet-20241022-v2:0"
)
chat$chat("Hello")

Result

Error in `req_auth_sign()`:
! argument "cache" is missing, with no default
Traceback 
     ▆
  1. └─chat$chat("Hello")
  2.   └─coro::collect(...)
  3.     └─coro:::reduce_steps(x, steps, along_builder(list()))
  4.       └─coro:::reduce(x, reducer, .init = identity)
  5.         └─coro:::reduce_impl(.x, .f, ..., .init = .init)
  6.           └─coro:::iter_reduce_impl(.x, .f, ..., .left = .left)
  7.             ├─coro::is_exhausted(new <- .x())
  8.             └─coro (local) .x()
  9.               └─base::evalq(...)
 10.                 └─base::evalq(...)
 11.                   └─base::evalq(...)
 12.                     └─base::evalq(...)
 13.                       ├─coro::is_exhausted(elt <- iterator())
 14.                       └─coro (local) iterator()
 15.                         └─base::evalq(...)
 16.                           └─base::evalq(...)
 17.                             ├─base::evalq(...)
 18.                             │ └─base::evalq(...)
 19.                             │   └─coro (local) user(...)
 20.                             │     ├─.last_value <<- eval_bare(substitute(expr), user_env)
 21.                             │     │ └─rlang::env_poke(env, lhs, value, inherit = TRUE, create = FALSE)
 22.                             │     └─rlang::eval_bare(substitute(expr), user_env)
 23.                             └─ellmer:::chat_perform(...)
 24.                               └─ellmer:::chat_request(...)
 25.                                 ├─S7::S7_dispatch()
 26.                                 └─ellmer (local) `method(chat_request, ellmer::ProviderBedrock)`(...)
 27.                                   └─httr2::req_auth_aws_v4(...)
 28.                                     └─httr2:::req_auth_sign(...)
 29.                                       └─httr2:::req_policies(...) at [ark:namespace:httr2.R:3234:5](https://workbench.posit.it/s/ed7dc6ae9dc1b6851e53f/#)
 30.                                         └─httr2:::modify_list(.req$policies, ..., error_call = error_call)
 31.                                           └─rlang::list2(...)

I tried defaulting cache to NULL in req_auth_sign, which raised this error instead:

! unused argument (cache = NULL)
Traceback 
Hide Traceback
     ▆
1. └─chat$chat("Hello")
  2.   └─coro::collect(...)
  3.     └─coro:::reduce_steps(x, steps, along_builder(list()))
  4.       └─coro:::reduce(x, reducer, .init = identity)
  5.         └─coro:::reduce_impl(.x, .f, ..., .init = .init)
  6.           └─coro:::iter_reduce_impl(.x, .f, ..., .left = .left)
  7.             ├─coro::is_exhausted(new <- .x())
  8.             └─coro (local) .x()
  9.               └─base::evalq(...)
 10.                 └─base::evalq(...)
 11.                   └─base::evalq(...)
 12.                     └─base::evalq(...)
 13.                       ├─coro::is_exhausted(elt <- iterator())
 14.                       └─coro (local) iterator()
 15.                         └─base::evalq(...)
 16.                           └─base::evalq(...)
 17.                             └─base::evalq(...)
 18.                               └─base::evalq(...)
 19.                                 ├─coro::is_exhausted(elt <- iterator())
 20.                                 └─coro (local) iterator()
 21.                                   └─base::evalq(...) at [ark:namespace:ellmer.R:633:13](https://workbench.posit.it/s/ed7dc6ae9dc1b6851e53f/#)
 22.                                     └─base::evalq(...)
 23.                                       ├─base::evalq(...) at [ark:namespace:ellmer.R:634:17](https://workbench.posit.it/s/ed7dc6ae9dc1b6851e53f/#)
 24.                                       │ └─base::evalq(...)
 25.                                       │   └─coro (local) user(...)
 26.                                       │     ├─.last_value <<- eval_bare(substitute(expr), user_env)
 27.                                       │     │ └─rlang::env_poke(env, lhs, value, inherit = TRUE, create = FALSE)
 28.                                       │     └─rlang::eval_bare(substitute(expr), user_env)
 29.                                       └─httr2::req_perform_connection(req)
 30.                                         └─httr2:::req_prepare(req)
 31.                                           └─httr2:::auth_sign(req)
 32.                                             └─rlang::exec(...)
@jcheng5 jcheng5 changed the title argument "cache" is missing, with no default Error: argument "cache" is missing, with no default Mar 19, 2025
@jcheng5 jcheng5 changed the title Error: argument "cache" is missing, with no default Error with AWS signing: argument "cache" is missing, with no default Mar 19, 2025
jcheng5 added a commit that referenced this issue Mar 19, 2025
@jcheng5
Fix #705: Error with AWS signing: argument "cache" is missing, with n…
463de8c 
…o default
@jcheng5 jcheng5 linked a pull request Mar 19, 2025 that will close this issue
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Fix #705: Error with AWS signing: argument "cache" is missing, with no default r-lib/httr2
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