When upgrading from Hibernate 5 to Hibernate 6, the following column/java type causes failures: public enum Mode { A, S, R }; @Enumerated(EnumType.STRING) @Column(length = 1) @JdbcType(VarcharJdbcType.class) Mode mode; The column type in the DB is a varchar(1). In Hibernate 5, it considered this …

Would you mind creating a reproducer for this and create a new JIRA issue please? The issue you are describing seems to be a different one than HHH-16498 .

@beikov i think the issue is definately different than the one in HHH-16498 . Since we hit the problem in one of our projects, I’ve created a reproducer on Github using Hibernate 6.2.7.Final: GitHub - Guschtel/enumconverter What i found out so far is: When setting the column length to 1 instead o…

Created the issue [HHH-17106] - Hibernate JIRA

Varchar(1) column for java enum fails with ClassCastException

Hibernate ORM

mbladel May 5, 2023, 8:02am 2

This is very similar to what was discussed in this post. A JIRA issue was opened for this [HHH-16498] - Hibernate JIRA, you can follow that for any updates.

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Varchar(1) column for java enum fails with ClassCastException

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