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<td class="page-title-pattern-first-line " style="padding: 0px; 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-10214" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-233b3e19-60c3-4200-89a6-01d9be9fd263" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-10214" style="color: #3b73af; text-decoration: none">HHH-10214</a>
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<td style="vertical-align: top;; padding: 0px; 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-10214" style="color: #3b73af; text-decoration: none">Performance Issue after upgrading to Hibernate 5.0.2 - Tomcat Server start-up time increased</a> </span>
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Issue Type:
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<td class="has-icon" style="padding: 0px; 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-233b3e19-60c3-4200-89a6-01d9be9fd263" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /> Bug
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Affects Versions:
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5.0.2
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Unassigned
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Components:
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hibernate-core
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Created:
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21/Oct/2015 06:02 AM
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performance hibernate hibernate-core
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Priority:
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Reporter:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="niravpatel" id="email_niravpatel" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=niravpatel" style="color:#6c797f;; color: #3b73af; text-decoration: none">Nirav Patel</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">After upgrading Hibernate version from 4.3.9.Final to 5.0.2.Final, Tomcat Server start-up time has increased.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">After debugging, I realized that hibernate takes too much time in adding mapping locations (*.hbm.xml files) in its metadata sources.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I have added mapping location in session factory using following code, and in my project there are around 1000 hbm.xml files.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"><bean id="baseSessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean"></p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> <property name="hibernateProperties"><br /> <props><br /> <prop key="hibernate.dialect">org.hibernate.dialect.Oracle10gDialect</prop><br /> <prop key="hibernate.show_sql">false</prop><br /> <prop key="hibernate.cache.use_query_cache">true</prop><br /> <prop key="hibernate.jdbc.fetch_size">300</prop><br /> <prop key="net.sf.ehcache.configurationResourceName">/ehcache.xml</prop><br /> <prop key="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.SingletonEhCacheRegionFactory</prop><br /> </props><br /> </property></p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> <property name="dataSource" ref="dataSource" /><br /> <property name="mappingLocations"><br /> <list><br /> <value>classpath*:com/<b>/</b><b>/</b>.hbm.xml</value><br /> </list> <br /> </property><br /> </bean></p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">While starting tomcat server, I debugged and fournd that in method</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">org.springframework.orm.hibernate5.LocalSessionFactoryBean.afterPropertiesSet</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">following for loop takes too much time to add all mapping locations in metadata sources object of configuration class.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">if (this.mappingLocations != null) {<br /> // Register given Hibernate mapping definitions, contained in resource files.<br /> for (Resource resource : this.mappingLocations) </p> { sfb.addInputStream(resource.getInputStream()); }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">}</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Issue:- Tomcat Server Time increased from appx. 3 minutes to 8 minutes after upgrading to Hibernate-5.0.2.Final.</p>
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