[英]RJDBC not finding driver class
我正在嘗試通過RJDBC
程序包訪問athena,但我不斷收到以下錯誤:
.jclassLoader()$setDebug(1L)
drv <- JDBC(driverClass = "com.amazonaws.athena.jdbc.AthenaDriver",
"C:/Users/falvarenga/Downloads/AthenaJDBC42_2.0.7.jar",
identifier.quote="'")
RJavaClassLoader: added 'C:/Users/falvarenga/Downloads/AthenaJDBC42_2.0.7.jar' to the URL class path loader
RJavaClassLoader: adding Java archive file 'C:/Users/falvarenga/Downloads/AthenaJDBC42_2.0.7.jar' to the internal class path
RJavaClassLoader: added 'C:/Users/falvarenga/Documents/R/R-3.5.3/library/RJDBC/java/RJDBC.jar' to the URL class path loader
RJavaClassLoader: adding Java archive file 'C:/Users/falvarenga/Documents/R/R-3.5.3/library/RJDBC/java/RJDBC.jar' to the internal class path
RJavaClassLoader@33909752.findClass(com.amazonaws.athena.jdbc.AthenaDriver)
- URL loader did not find it: java.lang.ClassNotFoundException: com.amazonaws.athena.jdbc.AthenaDriver
RJavaClassLoader.findClass("com.amazonaws.athena.jdbc.AthenaDriver")
- trying class path "C:\Users\falvarenga\Documents\R\R-3.5.3\library\rJava\java"
Directory, can get 'C:\Users\falvarenga\Documents\R\R-3.5.3\library\rJava\java\com\amazonaws\athena\jdbc\AthenaDriver.class'? NO
- trying class path "C:\Users\falvarenga\Downloads\AthenaJDBC42_2.0.7.jar"
JAR file, can get 'com/amazonaws/athena/jdbc/AthenaDriver'? NO
- trying class path "C:\Users\falvarenga\Documents\R\R-3.5.3\library\RJDBC\java\RJDBC.jar"
JAR file, can get 'com/amazonaws/athena/jdbc/AthenaDriver'? NO
>> ClassNotFoundException
我在這里想念什么?
我創建了AWR.Athena
包來管理使用DBI + rJava時的jar / classpath設置,您可以嘗試一下。
install.packages("AWR.Athena")
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