[Bioc-devel] Spurious "dims [product 864] do not match the length of object [432]" on macOS

Martin Morgan mtmorg@n@b|oc @end|ng |rom gm@||@com
Fri Sep 24 13:28:12 CEST 2021

Errors that are intermittent and platform-specific are often due to memory
corruption, and can be investigated on Linux platforms with valgrind or
similar tools. Have you taken this approach?

On 9/24/21, 3:22 AM, "Bioc-devel" <bioc-devel-bounces using r-project.org> wrote:


for several years xcms is suffering from absolutely spurious

issues on macOS.

There is no pattern regarding release/devel, R versions, different

macOS machines like merida1 in 2019, to machv2 today and a few

occurances inbetween. The tssue usually resolves itself after a few

days without any code change.

Interestingly, 864=432*2, so something is duplicated somewhere. Also,

today was the first time I saw BiocParallel mentioned near the error,

see below.

=> Has anyone observed such a domension mismatch, maybe in other

packages, and has any idea what could be the (spurious) cause ?



Quitting from lines 149-152 (xcms-lcms-ms.Rmd)

Error: processing vignette 'xcms-lcms-ms.Rmd' failed with diagnostics:

BiocParallel errors

  element index: 1

  first error: BiocParallel errors

  element index: 1

  first error: dims [product 864] do not match the length of object




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