2017-06-15 24 views
2

我正尝试使用RMySQL包连接到在Amazon RDS平台上运行的MariaDB服务器。直到几天后它运行良好,直到我更新我的包到最新版本。现在尝试连接到数据库抛出这个错误:我已经试过在'阅读授权数据包'处丢失与MySQL服务器的连接,系统错误:0,Amazon RDS

Error: Lost connection to MySQL server at 'reading authorization packet', system error: 0

事情: 恢复到R,RMySQL & DBI的先前版本;用ip-address替换主机名,connect_timeout = 10秒。

>sessionInfo() 
R version 3.4.0 (2017-04-21) 
Platform: x86_64-pc-linux-gnu (64-bit) 
Running under: Ubuntu 16.04.2 LTS 

Matrix products: default 
BLAS: /usr/lib/libblas/libblas.so.3.6.0 
LAPACK: /usr/lib/lapack/liblapack.so.3.6.0 

locale: 
[1] LC_CTYPE=en_IN.UTF-8  LC_NUMERIC=C    
LC_TIME=en_IN.UTF-8  LC_COLLATE=en_IN.UTF-8  
[5] LC_MONETARY=en_IN.UTF-8 LC_MESSAGES=en_IN.UTF-8  
LC_PAPER=en_IN.UTF-8  LC_NAME=C     
[9] LC_ADDRESS=C    LC_TELEPHONE=C    
LC_MEASUREMENT=en_IN.UTF-8 LC_IDENTIFICATION=C  

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

other attached packages: 
[1] arules_1.5-2  data.table_1.10.4 bit64_0.9-7  bit_1.1-12   
magrittr_1.5  NbClust_3.0  
[7] stringr_1.2.0  RMySQL_0.10.11 DBI_0.6-1   rjson_0.2.15  
dplyr_0.5.0  Matrix_1.2-10  

loaded via a namespace (and not attached): 
[1] Rcpp_0.12.11  lattice_0.20-35 assertthat_0.2.0 grid_3.4.0  
R6_2.2.1   rlang_0.1.1  
[7] stringi_1.1.5 lazyeval_0.2.0 tools_3.4.0  compiler_3.4.0 
tibble_1.3.3 

但是,我能够在本地MySQL设置上使用相同的设置运行查询。

回答

0

我可以在我的电脑上使用R 3.4修复此问题,方法如下@Page's advice查看软件包版本控制。但是,我不仅需要安装早期版本的RMySQL(从0.10.11恢复到0.10.9),还需要更改其依赖包DBI上的版本(从0.6-1恢复到0.5),使用以下命令:

require(devtools) 
install_version("DBI", version = "0.5", repos = "http://cran.us.r-project.org") 
install_version("RMySQL", version = "0.10.9", repos = "http://cran.us.r-project.org") 
+0

我试过这个,但它不适合我。仍然抛出一个错误:'错误:在'读取授权数据包'时连接到MySQL服务器失败,系统错误:2' – TUSHAr

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