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Re: Getting "association error" when reverse-engineering an existing schema with Hibernate tools
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created by <a href="https://community.jboss.org/people/johnqcitizen">John Citizen</a> in <i>JBoss Tools</i> - <a href="https://community.jboss.org/message/801995#801995">View the full discussion</a>
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<div class="jive-rendered-content"><p>Thanks for the response.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The <strong>reveng.xml</strong> file is shown a few posts above, but I will repeat it here:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;"><?xml version="1.0" encoding="UTF-8"?></span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;"><!DOCTYPE hibernate-reverse-engineering PUBLIC</span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;">  "-//Hibernate/Hibernate Reverse Engineering DTD 3.0//EN"</span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;">  "<a class="jive-link-external-small" href="http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd" rel="nofollow" style="color: #355491;" target="_blank">http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd</a>" ></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;"><hibernate-reverse-engineering></span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;">      <schema-selection match-schema="<strong>MY_SCHEMA</strong>" /></span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;"></hibernate-reverse-engineering></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Note that if I modify <strong>reveng.xml</strong> to remove the table BAZ (see post #1 for relationships between tables) then the reverse engineering succeeds:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;"><?xml version="1.0" encoding="UTF-8"?></span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;"><!DOCTYPE hibernate-reverse-engineering PUBLIC</span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;">  "-//Hibernate/Hibernate Reverse Engineering DTD 3.0//EN"</span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;">  "<a class="jive-link-external-small" href="http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd" rel="nofollow" style="color: #355491;" target="_blank">http://hibernate.sourceforge.net/hibernate-reverse-engineering-3.0.dtd</a>" ></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;"><hibernate-reverse-engineering></span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;">      <table-filter match-schema="<strong>MY_SCHEMA</strong>" match-name="BAZ" exclude="true"/></span></p><p style="background-color: #eef4f9; font-size: 12px; padding: 0 0 0 30px; font-family: 'Lucida Grande', Arial, Helvetica, sans-serif;"><span style="font-family: 'courier new', courier;"></hibernate-reverse-engineering></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I can also create another <strong>reveng.xml</strong> that will only reverse engineer the table BAZ. I thought that might solve my issue, but then I get other problems to do with mixing nullable and non-nullable columns when the session is created (or: when the generated classes are loaded), which I assume is a consequence of reverse-engineering one schema in two separate stages.</p></div>
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