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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiY2Y2NTYyOTMzMzdjNDBjZDhkYzY2MDlmZTc4NDRkNzkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-13322?atlOrigin=eyJpIjoiY2Y2NTYyOTMzMzdjNDBjZDhkYzY2MDlmZTc4NDRkNzkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-eb434e80-0ff4-48c8-89c0-47c2a143ab72" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-13322?atlOrigin=eyJpIjoiY2Y2NTYyOTMzMzdjNDBjZDhkYzY2MDlmZTc4NDRkNzkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-13322</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-13322?atlOrigin=eyJpIjoiY2Y2NTYyOTMzMzdjNDBjZDhkYzY2MDlmZTc4NDRkNzkiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Sequence increment is not correctly determined</a> </span> </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-eb434e80-0ff4-48c8-89c0-47c2a143ab72" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.4.1 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 15/Mar/2019 07:34 AM </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Environment:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Hibernate: 4.5.1.FINAL <br> JVM: Oracle JDK 1.8.0_181 <br> OS: Windows 7 and SLES 12 SP3 <br> DB: Oracle 12.2 and Oracle 18c </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-major-56305730-0540-400b-89f1-5d7efc860883" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="florian.kaiser" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_florian.kaiser" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A66c3ee1c-0b9c-4882-8e77-4fc7118a7e6d"> Florian Kaiser </a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">Switching from Hibernate 5.3.7 to 5.4.1 some of our JUnit-Tests failed with the following message:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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Caused by: org.hibernate.MappingException: The increment size of the [GA_NODEINFO_OID_SEQ] sequence is set to [50] in the entity mapping <span class="code-keyword" style="color: #000091">while</span> the associated database sequence increment size is [1].
at org.hibernate.id.enhanced.SequenceStyleGenerator.configure(SequenceStyleGenerator.java:256)
at org.hibernate.id.factory.internal.DefaultIdentifierGeneratorFactory.createIdentifierGenerator(DefaultIdentifierGeneratorFactory.java:118)
... 91 more
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">But a quick look on the Oracle DB showed that the sequence GA_NODEINFO_OID_SEQ had the increment set to 50. So the message is clearly not right.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Cause for this error is probably a bug in the heuristic to determine the increment of a sequence. </p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">In our case the problem is that the metadata for the sequence can not be determined, because the sequence is a synonym to a sequence in a different schema, i.e. the name of the current schema is not in the table <tt>all_sequences</tt>.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">In the <tt>SequenceStyleGenerator</tt> the schema name is therefore <tt>null</tt></p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">Long</span> getSequenceIncrementValue(JdbcEnvironment jdbcEnvironment, <span class="code-object" style="color: #910091">String</span> sequenceName) {
<span class="code-keyword" style="color: #000091">return</span> jdbcEnvironment.getExtractedDatabaseMetaData().getSequenceInformationList().stream().filter(
sequenceInformation -> {
Identifier catalog = sequenceInformation.getSequenceName().getCatalogName();
Identifier schema = sequenceInformation.getSequenceName().getSchemaName();
<span class="code-keyword" style="color: #000091">return</span> sequenceName.equalsIgnoreCase( sequenceInformation.getSequenceName().getSequenceName().getText() ) &&
( catalog == <span class="code-keyword" style="color: #000091">null</span> || catalog.equals( jdbcEnvironment.getCurrentCatalog() ) ) &&
( schema == <span class="code-keyword" style="color: #000091">null</span> || schema.equals( jdbcEnvironment.getCurrentSchema() ) );
}
).map( SequenceInformation::getIncrementValue ).findFirst().orElse( <span class="code-keyword" style="color: #000091">null</span> );
}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">and the increment value is in consequence the value of the first sequence with the same sequence name.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Unfortunately our test DB contains more than one schema with the same setup, so the sequence name is not unique within the DB and the increment has changed over time. So we get sometimes the wrong increment value from a sequence in a different schema.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">So in our case it would be correct to return an increment value only if sequence name and schema name (or catalog name) are matched. </p> </td>
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