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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-10708" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-b6b5a4fd-971e-4939-abf3-691158263fdc" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10708" style="color: #3b73af; text-decoration: none">HHH-10708</a> </td>
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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-10708" style="color: #3b73af; text-decoration: none">Accessing a lazy collection in an enhanced class deletes it afterwards</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: 0px; 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">Nikolaus Wittenbeck</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">I'm trying to migrate from 4.3 to 5.1 using the new bytecode enhancer.<br><br>Given a class Foo with a collection of Bars with orphanRemoval=true, even just accessing the collection results in an exception:<br><br>A collection with cascade="all-delete-orphan" was no longer referenced by the owning entity instance: org.hibernate.test.bytecodeissue.Foo.bar<br><br>See attached test case.<br><br><br><br>The second test case shows the issue without orphanRemoval in an enhanced class: Bar has a @ManyToMany annotated Set of Foos that are lazy loaded. The test case shows the following output:<br>{noformat}<br></span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">Hibernate: drop table Bar2 if exists<br>Hibernate: drop table Bar2_Foo2 if exists<br>Hibernate: drop table Foo2 if exists<br>Hibernate: drop sequence if exists hibernate_sequence<br>Hibernate: create sequence hibernate_sequence start with 1 increment by 1<br>Hibernate: create table Bar2</span> <span class="diffcontext"> (</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">id integer not null, primary key (id</span> <span class="diffaddedchars" style="background-color:#ddfade;">...</span> <span class="diffcontext">)</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">)</span> <span class="diffcontext"><br>Hibernate:</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> create table Bar2_Foo2 (Bar2_id integer not null, foos_id integer not null, primary key (Bar2_id, foos_id))<br>Hibernate: create table Foo2 (id integer not null, primary key (id))<br>Hibernate: alter table Bar2_Foo2 add constraint FKquv4mrail1fph6xceu63cp8ib foreign key (foos_id) references Foo2<br>Hibernate: alter table Bar2_Foo2 add constraint FK6x09sdkco0ks7426x0cso86b5 foreign key (Bar2_id) references Bar2<br>Hibernate: call next value for hibernate_sequence<br>Hibernate: call next value for hibernate_sequence<br>Hibernate: call next value for hibernate_sequence<br>Hibernate:</span> <span class="diffcontext"> /* insert org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Bar2 */ insert into Bar2 (id) values (?)<br>Hibernate: /* insert org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Foo2 */ insert into Foo2 (id) values (?)<br>Hibernate: /* insert org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Foo2 */ insert into Foo2 (id) values (?)<br>Hibernate: /* insert collection row org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Bar2.foos */ insert into Bar2_Foo2 (Bar2_id, foos_id) values (?, ?)<br>Hibernate: /* insert collection row org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Bar2.foos */ insert into Bar2_Foo2 (Bar2_id, foos_id) values (?, ?)<br>Hibernate: /* load org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Bar2 */ select bar2x0_.id as id1_0_0_ from Bar2 bar2x0_ where bar2x0_.id=?<br>Hibernate: select foos0_.Bar2_id as Bar1_1_0_, foos0_.foos_id as foos_id2_1_0_, foo2x1_.id as id1_2_1_ from Bar2_Foo2 foos0_ inner join Foo2 foo2x1_ on foos0_.foos_id=foo2x1_.id where foos0_.Bar2_id=?<br>2016-04-26 14:57:05,875 ERROR [Time-limited test] (TestCase2.java:81) collection = [org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Foo2@7de4e70d, org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Foo2@5ed545b9]<br>Hibernate: /* delete collection org.hibernate.test.hhh10708_bytecodeissue_wo_orphanremoval.Bar2.foos */ delete from Bar2_Foo2 where Bar2_id=?<br>2016-04-26 14:57:05,882 ERROR [Time-limited test] (TestCase2.java:83) DONE!<br></span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">Hibernate: drop table Bar2 if exists</span> <span class="diffaddedchars" style="background-color:#ddfade;">(...)</span> <span class="diffcontext"><br></span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">Hibernate: drop table Bar2_Foo2 if exists<br>Hibernate: drop table Foo2 if exists<br>Hibernate: drop sequence if exists hibernate_sequence<br></span> <span class="diffcontext">{noformat}<br><br>The collection is deleted after it was accessed in the log error statement.<br><br>The cases works fine in test case when I set doDirtyCheckingInline to false in the EnhancementTask - but in our live environment with far more complex classes, I can achieve the same behaviour with disabled doDirtyCheckingInline.<br><br>Everything works fine without bytecode instrumentation.</span> </td>
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