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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-9895" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-ee32803c-94db-467e-a381-51804b565e5a" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9895" style="color: #3b73af; text-decoration: none">HHH-9895</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-9895" style="color: #3b73af; text-decoration: none">QueryTranslatorImpl makes invalid class resolutions</a> </span>
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Issue Type:
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Unassigned
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hibernate-core
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Created:
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06/Jul/2015 04:57 AM
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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="RemoM" id="email_RemoM" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=RemoM" style="color:#6c797f;; color: #3b73af; text-decoration: none">RemoM</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When performing JPA Criteria queries, there are many calls to ReflectHelper.getConstantValue with values like "generatedAlias0", which in turn attempts to load the class "generatedAlias0". This naturally fails, but resolving the class and throwing/cachting the exception is quite expensive in terms of cpu performance. No such calls should be made.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Thread <span class="error">[main]</span> (Suspended (breakpoint at line 191 in ReflectHelper)) <br /> owns: QueryTranslatorImpl (id=8378) <br /> ReflectHelper.classForName(String) line: 191 <br /> ReflectHelper.getConstantValue(String) line: 279 <br /> QueryTranslatorImpl$JavaConstantConverter.handleDotStructure(AST) line: 624 <br /> QueryTranslatorImpl$JavaConstantConverter.visit(AST) line: 619 <br /> NodeTraverser.visitDepthFirst(AST) line: 78 <br /> NodeTraverser.traverseDepthFirst(AST) line: 67 <br /> QueryTranslatorImpl.parse(boolean) line: 300 <br /> QueryTranslatorImpl.doCompile(Map, boolean, String) line: 203 <br /> QueryTranslatorImpl.compile(Map, boolean) line: 158 <br /> HQLQueryPlan.<init>(String, String, boolean, Map<String,Filter>, SessionFactoryImplementor, EntityGraphQueryHint) line: 131 <br /> HQLQueryPlan.<init>(String, boolean, Map<String,Filter>, SessionFactoryImplementor) line: 93 <br /> QueryPlanCache.getHQLQueryPlan(String, boolean, Map<String,Filter>) line: 167 <br /> SessionImpl(AbstractSessionImpl).getHQLQueryPlan(String, boolean) line: 301 <br /> SessionImpl(AbstractSessionImpl).createQuery(String) line: 236 <br /> SessionImpl.createQuery(String) line: 1800 <br /> EntityManagerImpl(AbstractEntityManagerImpl).createQuery(String, Class<T>, Selection, QueryOptions) line: 568 <br /> CriteriaQueryImpl$1.buildCompiledQuery(HibernateEntityManagerImplementor, InterpretedParameterMetadata) line: 336 <br /> CriteriaCompiler.compile(CompilableCriteria) line: 147 <br /> EntityManagerImpl(AbstractEntityManagerImpl).createQuery(CriteriaQuery<T>) line: 736 </p>
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