Set this property to true to have ij display the SQLException ErrorCode value with error messages. The default is false.
Error codes denote the severity of the error. For more information, see the Java DB Reference Manual.
ij.showErrorCode={ false | true }
java -Dij.showErrorCode=true -Dij.protocol=jdbc:derby:
org.apache.derby.tools.ij
ij version 10.3
ij> Connect 'sample';
ij> VLUES 1;
ERROR 42X01: Syntax error: Encountered "VLUES"
at line 1, column 1. (errorCode = 30000)
ij>