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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-11046" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-e8b72cc7-cfd4-4ca1-b333-1a6eea443a06" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11046" style="color: #3b73af; text-decoration: none">HHH-11046</a> </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">Change By:</th>
<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="piotr.hubio" id="email_piotr.hubio" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=piotr.hubio" style="color:#6c797f;; color: #3b73af; text-decoration: none">Piotr Klimczak</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"> <span class="diffcontext">First of all, thanks for a great work Hibernate is doing!<br><br>Now, with Hibernate 5.2.2, build time enhancement fails for entities with 2 mapped classes.<br><br>For given classes:<br><br>{code}<br>@MappedSuperclass<br>abstract class A {<br> @Id<br> protected Long id;<br>}<br><br>@MappedSuperclass<br>abstract class B extends A { }<br><br>@Entity<br>class C extends B { }<br>{code}<br><br>When doing enhancement using maven plugin 5.2.2 with config:<br><br>{code}<br> <configuration><br> <failOnError>true</failOnError><br> <enableLazyInitialization>true</enableLazyInitialization><br> <enableDirtyTracking>true</enableDirtyTracking><br> <enableAssociationManagement>true</enableAssociationManagement><br> </configuration><br>{code}<br><br>failure occurs as follows:<br><br>{code}<br>org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.hibernate.orm.tooling:hibernate-enhance-maven-plugin:5.2.2.Final:enhance (default) on project ice-model: Unable to enhance class: com.itf.ice2.domain.casefile.common.refdata.RefData<br> at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)<br> at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)<br> at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)<br> at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)<br> at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)<br> at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)<br> at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)<br> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:347)<br> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:154)<br> at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)<br> at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)<br> at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)<br> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<br> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br> at java.lang.reflect.Method.invoke(Method.java:498)<br> at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)<br> at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)<br> at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)<br> at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)<br>Caused by: org.apache.maven.plugin.MojoExecutionException: Unable to enhance class: com.itf.ice2.domain.casefile.common.refdata.RefData<br> at org.hibernate.orm.tooling.maven.MavenEnhancePlugin.doEnhancement(MavenEnhancePlugin.java:249)<br> at org.hibernate.orm.tooling.maven.MavenEnhancePlugin.execute(MavenEnhancePlugin.java:155)<br> at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)<br> at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)<br> ... 19 more<br>Caused by: org.hibernate.bytecode.enhance.spi.EnhancementException: Unable to enhance persistent attribute [com.itf.ice2.domain.casefile.common.refdata.RefData:id]<br> at org.hibernate.bytecode.enhance.internal.PersistentAttributesEnhancer.enhancePersistentAttribute(PersistentAttributesEnhancer.java:126)<br> at org.hibernate.bytecode.enhance.internal.PersistentAttributesEnhancer.enhance(PersistentAttributesEnhancer.java:62)<br> at org.hibernate.bytecode.enhance.internal.MappedSuperclassEnhancer.enhance(MappedSuperclassEnhancer.java:31)<br> at org.hibernate.bytecode.enhance.spi.Enhancer.enhance(Enhancer.java:138)<br> at org.hibernate.bytecode.enhance.spi.Enhancer.enhance(Enhancer.java:73)<br> at org.hibernate.orm.tooling.maven.MavenEnhancePlugin.doEnhancement(MavenEnhancePlugin.java:244)<br> ... 22 more<br>Caused by: org.hibernate.bytecode.enhance.spi.EnhancementException: Could not enhance class [com.itf.ice2.domain.casefile.common.refdata.RefData] to add method [$$_hibernate_read_id] for field [id]<br> at org.hibernate.bytecode.enhance.internal.MethodWriter.addGetter(MethodWriter.java:57)<br> at org.hibernate.bytecode.enhance.internal.MappedSuperclassEnhancer.generateFieldReader(MappedSuperclassEnhancer.java:45)<br> at org.hibernate.bytecode.enhance.internal.PersistentAttributesEnhancer.enhancePersistentAttribute(PersistentAttributesEnhancer.java:116)<br> ... 27 more<br>Caused by: javassist.CannotCompileException: bad declaring class<br> at javassist.CtClassType.addMethod(CtClassType.java:1372)<br> at org.hibernate.bytecode.enhance.internal.MethodWriter.addGetter(MethodWriter.java:52)<br>{code}<br><br>From very quick analysis it looks like it</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> is</span> <span class="diffaddedchars" style="background-color:#ddfade;"> might be</span> <span class="diffcontext"> related to HHH-10646 as PersistentAttributesEnhancer.collectPersistentFields returns all fields for current target (also from super classes).<br>As such, MethodWriter.addGetter tries to add getters for all fields to current target, including those from superclass, which fails.</span> </td>
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