* using log directory ‘/Users/ripley/R/packages/tests-devel/Myrrix.Rcheck’
* using R Under development (unstable) (2021-09-11 r80889)
* using platform: aarch64-apple-darwin20.6.0 (64-bit)
* using session charset: UTF-8
* using option ‘--no-stop-on-test-error’
* checking for file ‘Myrrix/DESCRIPTION’ ... OK
* this is package ‘Myrrix’ version ‘1.2’
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘Myrrix’ can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking ‘build’ directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking sizes of PDF files under ‘inst/doc’ ... OK
* checking installed files from ‘inst/doc’ ... OK
* checking files in ‘vignettes’ ... OK
* checking examples ... ERROR
Running examples in ‘Myrrix-Ex.R’ failed
The error most likely occurred in:

> ### Name: RecommenderMethods-methods
> ### Title: Methods to apply on objects of class ClientRecommender and
> ###   ServerRecommender
> ### Aliases: await await,ClientRecommender-method
> ###   await,ServerRecommender-method estimatePreference
> ###   estimatePreference,ClientRecommender,numeric,numeric-method
> ###   estimatePreference,ServerRecommender,numeric,numeric-method
> ###   getAllItemIDs getAllItemIDs,ClientRecommender-method
> ###   getAllItemIDs,ServerRecommender-method getAllUserIDs
> ###   getAllUserIDs,ClientRecommender-method
> ###   getAllUserIDs,ServerRecommender-method getMyrrixHyperParameters
> ###   getMyrrixHyperParameters,character-method
> ###   getMyrrixHyperParameters,missing-method ingest
> ###   ingest,ClientRecommender,character-method
> ###   ingest,ServerRecommender,character-method mostPopularItems
> ###   mostPopularItems,ClientRecommender,integer-method
> ###   mostPopularItems,ServerRecommender,integer-method recommend
> ###   recommend,ClientRecommender,numeric,integer-method
> ###   RecommenderMethods-methods
> ###   recommend,ServerRecommender,numeric,integer-method
> ###   setMyrrixHyperParameters setMyrrixHyperParameters,list-method
> 
> ### ** Examples
> 
> ##
> ## Set Hyperparameters to tune the Myrrix recommendation engine
> ##
> x <- getMyrrixHyperParameters()
Error in .jcall("RJavaTools", "Ljava/lang/Object;", "invokeMethod", cl,  : 
  java.lang.reflect.InaccessibleObjectException: Unable to make public java.lang.Object[] java.util.Collections$SynchronizedCollection.toArray() accessible: module java.base does not "opens java.util" to unnamed module @6833ce2c
Calls: getMyrrixHyperParameters ... .local -> <Anonymous> -> .jrcall -> .jcall -> .jcheck
Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes in ‘inst/doc’ ... OK
* checking re-building of vignette outputs ... OK
* checking PDF version of manual ... OK
* checking for detritus in the temp directory ... OK
* DONE

Status: 1 ERROR
See
  ‘/Users/ripley/R/packages/tests-devel/Myrrix.Rcheck/00check.log’
for details.

       17.69 real        11.93 user         3.26 sys