| Detailed description |
If I start a search on a column not existing, I get the following exception:
Error in .jcall("RJavaTools", "Ljava/lang/Object;", "newInstance", .jfindClass(class), :
java.lang.IllegalArgumentException: Attribute is null!
Called from: eval(substitute(browser(skipCalls = pos), list(pos = 9 - frame)),
envir = sys.frame(frame))
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The error message from Java doesn't make reference to the real issue, it just describes that an object is null (which is probably the consequence of the column not found).
The message Attribute is null! should be changed to something like:
java.lang.IllegalArgumentException: The column XXX is not present in the current dataset // There is no value YYY in the column XXX.
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