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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" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-12649" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-65ca2057-cdf8-41b3-bde3-7691e12dce48" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-12649" style="color: #3b73af; text-decoration: none">HHH-12649</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-12649" style="color: #3b73af; text-decoration: none">Auto-register entity and collection caches based on the Hibernate @Cache annotation (XML mapping) settings</a> </span> </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">Issue Type:</th>
<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-65ca2057-cdf8-41b3-bde3-7691e12dce48" 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"> 5.3.1 </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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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-core </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"> 30/May/2018 09:20 AM </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-8acd760c-d230-49f0-b176-bfaf844ee658" 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="mih_vlad" id="email_mih_vlad" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mih_vlad" style="color:#6c797f;; color: #3b73af; text-decoration: none">Vlad Mihalcea</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">While upgrading my Hibernate testing repository to 5.3, I realized that we no longer auto-register the 2nd-level cache for entities and the collections even if those are annotated with the Hibernate @Cache annotation.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I noticed that the Hibernate tests have been modified and we require to register those manually:</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">for</span> ( Map.Entry<<span class="code-object" style="color: #910091">Class</span>, <span class="code-object" style="color: #910091">String</span>> entry : getCachedClasses().entrySet() ) {
config.put( AvailableSettings.CLASS_CACHE_PREFIX + <span class="code-quote" style="color: #009100">"."</span> + entry.getKey().getName(), entry.getValue() );
}
<span class="code-keyword" style="color: #000091">for</span> ( Map.Entry<<span class="code-object" style="color: #910091">String</span>, <span class="code-object" style="color: #910091">String</span>> entry : getCachedCollections().entrySet() ) {
config.put( AvailableSettings.COLLECTION_CACHE_PREFIX + <span class="code-quote" style="color: #009100">"."</span> + entry.getKey(), entry.getValue() );
}
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Now, if I don't do that, I get the following exception:</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">
Caused by: org.hibernate.cache.CacheException: On-the-fly creation of JCache Cache objects is not supported [com.vladmihalcea.book.hpjp.hibernate.cache.query.QueryCacheTest$Post.comments]
at org.hibernate.cache.ehcache.internal.EhcacheRegionFactory.createCache(EhcacheRegionFactory.java:106)
at org.hibernate.cache.ehcache.internal.EhcacheRegionFactory.getOrCreateCache(EhcacheRegionFactory.java:100)
at org.hibernate.cache.ehcache.internal.EhcacheRegionFactory.createDomainDataStorageAccess(EhcacheRegionFactory.java:71)
at org.hibernate.cache.spi.support.RegionFactoryTemplate.buildDomainDataRegion(RegionFactoryTemplate.java:31)
at org.hibernate.cache.internal.EnabledCaching.prime(EnabledCaching.java:108)
at org.hibernate.metamodel.internal.MetamodelImpl.primeSecondLevelCacheRegions(MetamodelImpl.java:284)
at org.hibernate.metamodel.internal.MetamodelImpl.initialize(MetamodelImpl.java:116)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:295)
at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467)
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939)
</pre>
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">However, I don't even use JCache. I use "ehcache" instead.</p>
<div class="preformatted 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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<pre style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap">properties.put("hibernate.cache.region.factory_class", "ehcache");
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I'm worried about all those applications trying to upgrade to 5.3. Imagine if they have hundreds of entities and collections. People will surely start complaining if we force them to do that manually during bootstrap. More, I'm not sure how they can do when they just bootstrap via a JPA persistence.xml configuration file.</p> </td>
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