win7 install succesfully but error library("tabulizer")

[a417886]

Please specify whether your issue is about:

• a possible bug
• a question about package functionality
• a suggested code or documentation change, improvement to the code, or feature request

If you are reporting (1) a bug or (2) a question about code, please supply:

• ensure that you can install and successfully load rJava
• a fully reproducible example using a publicly available dataset (or provide your data)
• if an error is occurring, include the output of traceback() run immediately after the error occurs
• the output of sessionInfo()

Put your code here:

## rJava loads successfully
# install.packages("rJava")
> library("rJava")
> 
> ## load package
> library("tabulizer")
错误: package or namespace load failed for ‘tabulizer’:
 attachNamespace()里算'tabulizer'时.onAttach失败了，详细内容：
  调用: .jfindClass(as.character(class))
  错误: java.lang.ClassNotFoundException
> 
> ## code goes here
> 
> 
> ## session info for your system
> sessionInfo()
R version 3.6.2 (2019-12-12)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 7 x64 (build 7601) Service Pack 1

Matrix products: default

locale:
[1] LC_COLLATE=Chinese (Simplified)_People's Republic of China.936 
[2] LC_CTYPE=Chinese (Simplified)_People's Republic of China.936   
[3] LC_MONETARY=Chinese (Simplified)_People's Republic of China.936
[4] LC_NUMERIC=C                                                   
[5] LC_TIME=Chinese (Simplified)_People's Republic of China.936    

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] rJava_0.9-11

loaded via a namespace (and not attached):
[1] tabulizerjars_1.0.1 compiler_3.6.2      tools_3.6.2         tabulizer_0.2.2    
[5] png_0.1-7