Apache Derby DB Error Code 42Y00 – Class ‘‘ does not implement org.apache.derby.iapi

AbundantCode 2 months ago in Apache Derby 0

In this blog post, let’s learn about the error message “42Y00- Class ‘‘ does not implement org.apache.derby.iapi” in Apache Derby Database and the description of the error.

Error Message

42Y00- Class ‘‘ does not implement org.apache.derby.iapi

Error Details

Class ‘‘ does not implement org.apache.derby.iapi.db.AggregateDefinition and thus cannot be used as an aggregate expression.

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