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### Running command:
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###   /Library/Frameworks/R.framework/Versions/Current/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data RGMQL
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* checking for file ‘RGMQL/DESCRIPTION’ ... OK
* preparing ‘RGMQL’:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
* creating vignettes ... ERROR
--- re-building ‘RGMQL-vignette.Rmd’ using rmarkdown
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
21/10/14 14:21:55 INFO SparkContext: Running Spark version 2.2.0
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.apache.hadoop.security.authentication.util.KerberosUtil (file:/Library/Frameworks/R.framework/Versions/4.1/Resources/library/RGMQLlib/extdata/java/GMQL.jar) to method sun.security.krb5.Config.getInstance()
WARNING: Please consider reporting this to the maintainers of org.apache.hadoop.security.authentication.util.KerberosUtil
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
No Java runtime present, requesting install.
2021-10-14 14:21:55.761 R[15891:154265290] JLRequestRuntimeInstall: Error calling: CFMessagePortCreateRemote