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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-12613" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-4cd2eb4f-f5ff-4bc8-90e7-da3b95f019ca" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-12613" style="color: #3b73af; text-decoration: none">HHH-12613</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-12613" style="color: #3b73af; text-decoration: none">Embedded property with blob not cacheable in cache inheritance.</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">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="nikowitt" id="email_nikowitt" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=nikowitt" style="color:#6c797f;; color: #3b73af; text-decoration: none">Niko Wittenbeck</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">Playing due to HHH-12588, I've discovered that an embeddable object with a blob is not cacheable. Moving the blob to an embeddable object is a workaround to bypass HHH-12555.<br><br>{code:java}<br>@Entity<br>@Polymorphism(type = PolymorphismType.EXPLICIT)<br>@Inheritance(strategy = InheritanceType.JOINED)<br>@Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE, include = "non-lazy")<br>public abstract class Base extends DatabaseEntity {<br><br> private Set<Attachment> attachments = new LinkedHashSet<>();<br><br> @OneToMany(mappedBy = "parent", fetch = FetchType.LAZY)<br> @Fetch(FetchMode.SUBSELECT)<br> public Set<Attachment> getAttachments() {<br> return attachments;<br> }<br><br> public void setAttachments(Set<Attachment> attachments) {<br> this.attachments = attachments;<br> }<br>}<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">{code}</span> <span class="diffcontext"><br></span> <span class="diffaddedchars" style="background-color:#ddfade;">{code:java}<br></span> <span class="diffcontext">@Entity<br>@Cacheable<br>public class Attachment extends Base {<br><br> private Base parent;<br><br> @Access(AccessType.FIELD)<br> @AttributeOverrides(@AttributeOverride(name = "blob", column = @Column(name = "filedata", length = 500 * 1024 * 1024)))<br> @Basic(fetch = FetchType.LAZY)<br> private DataHolder data = new DataHolder();<br><br> public DataHolder getData() {<br> if (data == null) {<br> data = new DataHolder();<br> }<br> return data;<br> }<br><br> @ManyToOne(fetch = FetchType.LAZY)<br> public Base getParent() {<br> return parent;<br> }<br><br> public void setParent(Base parent) {<br> this.parent = parent;<br> }<br><br> @Embeddable<br> public static class DataHolder {<br><br> private Blob blob;<br><br> @Lob<br> @Basic(fetch = FetchType.LAZY)<br> public Blob getBlob() {<br> return blob;<br> }<br><br> public void setBlob(Blob blob) {<br> this.blob = blob;<br> }<br> }<br>}<br>{code}<br><br>results in<br>{noformat}<br><br>java.lang.RuntimeException: java.lang.UnsupportedOperationException: Blobs are not cacheable<br><br> at org.hibernate.bugs.AbstractTestCase.doInOpenTransaction(AbstractTestCase.java:55)<br> at org.hibernate.bugs.TestCase.hhh12601(TestCase.java:20)<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.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)<br> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)<br> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)<br> at org.hibernate.testing.junit4.ExtendedFrameworkMethod.invokeExplosively(ExtendedFrameworkMethod.java:45)<br> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)<br> at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)<br> at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)<br> at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)<br> at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)<br> at java.util.concurrent.FutureTask.run(FutureTask.java:266)<br> at java.lang.Thread.run(Thread.java:748)<br>Caused by: java.lang.UnsupportedOperationException: Blobs are not cacheable<br> at org.hibernate.type.descriptor.java.BlobTypeDescriptor$BlobMutabilityPlan.disassemble(BlobTypeDescriptor.java:51)<br> at org.hibernate.type.descriptor.java.BlobTypeDescriptor$BlobMutabilityPlan.disassemble(BlobTypeDescriptor.java:36)<br> at org.hibernate.type.AbstractStandardBasicType.disassemble(AbstractStandardBasicType.java:318)<br> at org.hibernate.type.ComponentType.disassemble(ComponentType.java:619)<br> at org.hibernate.type.TypeHelper.disassemble(TypeHelper.java:132)<br> at org.hibernate.cache.spi.entry.StandardCacheEntryImpl.<init>(StandardCacheEntryImpl.java:53)<br> at org.hibernate.persister.entity.AbstractEntityPersister$StandardCacheEntryHelper.buildCacheEntry(AbstractEntityPersister.java:5460)<br> at org.hibernate.persister.entity.AbstractEntityPersister.buildCacheEntry(AbstractEntityPersister.java:4460)<br> at org.hibernate.action.internal.EntityInsertAction.execute(EntityInsertAction.java:113)<br> at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:604)<br> at org.hibernate.engine.spi.ActionQueue.executeActions(ActionQueue.java:478)<br> at org.hibernate.event.internal.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:356)<br> at org.hibernate.event.internal.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:39)<br> at org.hibernate.internal.SessionImpl.doFlush(SessionImpl.java:1452)<br> at org.hibernate.internal.SessionImpl.flush(SessionImpl.java:1438)<br> at org.hibernate.bugs.TestCase.lambda$hhh12601$1(TestCase.java:25)<br> at org.hibernate.bugs.AbstractTestCase.doInOpenTransaction(AbstractTestCase.java:50)<br> ... 16 more<br>{noformat}<br><br>To me, it seems that DataHolder is not instrumented properly, I don't see any lazy code in the decompiled class.<br></span> </td>
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