Apache Derby DB Error Code 42X57 – The getColumnCount() for external virtual table ‘

Posted by AbundantCode

In this blog post, let’s learn about the error message “42X57- The getColumnCount() for external virtual table ‘“ in Apache Derby Database and the description of the error.

Error Message

42X57- The getColumnCount() for external virtual table ‘

Error Details

The getColumnCount() for external virtual table ‘‘ returned an invalid value ‘‘. Valid values are greater than or equal to 1.