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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th> 
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                                                    <td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">Not sure if this is exactly the same problem as</span> <span class="diffaddedchars" style="background-color:#ddfade;"> [</span> <span class="diffcontext"> HHH-13676</span> <span class="diffaddedchars" style="background-color:#ddfade;">]</span> <span class="diffcontext"> and</span> <span class="diffaddedchars" style="background-color:#ddfade;"> [</span> <span class="diffcontext"> HHH-13674</span> <span class="diffaddedchars" style="background-color:#ddfade;">]</span> <span class="diffcontext"> since my set up is slightly different?</span> <span class="diffaddedchars" style="background-color:#ddfade;"> As far as I can see the problem does not depend on the underlying DB engine since we do have it with H2 as well as PostgreSQL. I think it is a problem of the used sequence generator algorithm. In particular, HiLo increment size has nothing to do with the DB increment size since it is completely independent and sequence ids are never exactly reflected by DB sequence numbers with this algorithm, cf. [https://vladmihalcea.com/the-hilo-algorithm/|https://vladmihalcea.com/the-hilo-algorithm/] of @vladmihalcea.</span> <span class="diffcontext"><br><br>I already brought up the issue on Stack Overflow, cf.</span> <span class="diffaddedchars" style="background-color:#ddfade;"> [</span> <span class="diffcontext"> https://stackoverflow.com/questions/59305427/org-hibernate-mappingexception-the-increment-size-of-the-sequence-is-set-to-10</span> <span class="diffaddedchars" style="background-color:#ddfade;">|https://stackoverflow.com/questions/59305427/org</span> <span class="diffcontext"> -</span> <span class="diffaddedchars" style="background-color:#ddfade;">hibernate-mappingexception-the-increment-size-of-the-sequence-is-set-to-10] -</span> <span class="diffcontext"> it was considered an error by @jensschauder of the Spring Data team.<br><br>We do have the following sequence generator<br><br>{code</span> <span class="diffaddedchars" style="background-color:#ddfade;">:java</span> <span class="diffcontext">}</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"><br></span> <span class="diffcontext">@Id<br>@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "hilo_sequence_generator")<br>@GenericGenerator(<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;name = "hilo_sequence_generator",<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;strategy = "...",<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;parameters = {<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;@Parameter(name = "sequence_name", value = "XXX_SEQUENCE"),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;@Parameter(name = "initial_value", value = "1"),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;@Parameter(name = "increment_size", value = "10"),<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;@Parameter(name = "optimizer", value = "hilo")<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;})<br>private Long id;</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"><br></span> <span class="diffcontext">{code}<br><br>With the update to SB 2.2 / HB 5.4 we get the following initialization error<br><br>{code</span> <span class="diffaddedchars" style="background-color:#ddfade;">:java</span> <span class="diffcontext">}</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"><br></span> <span class="diffcontext">org.hibernate.MappingException: The increment size of the sequence is set to [10] in the&nbsp;&nbsp;mapping while the associated database sequence increment size is [1]</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"><br></span> <span class="diffcontext">{code}<br><br>SO already contains some more information (stack traces etc.).<br>But I also compiled a small (Spring Boot) project to show the issue:</span> <span class="diffaddedchars" style="background-color:#ddfade;"> [</span> <span class="diffcontext"> https://github.com/ascheman/hibernate-so-59305427</span> <span class="diffaddedchars" style="background-color:#ddfade;">|https://github.com/ascheman/hibernate-so-59305427]</span> <span class="diffcontext"><br><br>I consider the priority major since it prohibits us from upgrading to a clean SB 2.2 / Hibernate 5.4., but we can still use HB 5.3.x to prevent the problem.</span> </td> 
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