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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-9219" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-df51dcff-9aa2-4a5a-89ad-a28dcb1a9b82" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9219" style="color: #3b73af; text-decoration: none">HHH-9219</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-9219" style="color: #3b73af; text-decoration: none">IndexedCollection sometimes adds wrong order number</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-static-bug-df51dcff-9aa2-4a5a-89ad-a28dcb1a9b82" 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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4.2.12
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Unassigned
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Components:
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core
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Created:
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26/May/14 10:26 AM
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Environment:
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MySQL 5.1, Spring 3.1.x
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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="mschipperheyn2" id="email_mschipperheyn2" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mschipperheyn2" style="color:#6c797f;; color: #3b73af; text-decoration: none">Marc Schipperheyn</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I'm using the IndexedCollections that have recently been fixed. I seem to be getting random situations where the ordercolumn gets a wrong number assigned and I seem to be having retrieval issues at times.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I have not been able to write a test case that reproduces the issue yet although I do seem to get this frequently in our website.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The basic scenario is this:</p>
<ul>
<li>
There is a course
</li>
<li>
You add a module to the course. You then get automatically redirected to another page to add assets to the module based on the id of the just saved module
</li>
<li>
This page sometimes generates an ObjectNotFoundException exception when we try to retrieve the just created module by the past id
</li>
<li>
A reload will load the module correctly, even though the index may still be offset incorrectly
</li>
</ul>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">So, there are two problems here:<br /> 1. Sometimes a module that has just been saved is not retrievable<br /> 2. Sometimes the indexcolumn is not properly updated. For instance on a course with 7 modules, adding a new one suddenly generated an indexcolumn value of 4</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The two seem to be related I can't yet say if they occur together 100%. <br /> Number 1 suggests a transactional issue but the save happens in a regular transactional context (Spring managed + opensessioninview) and the issue appears across two pages.</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Entity
@DiscriminatorValue(value = <span class="code-quote" style="color: #009100">"CRS"</span>)
@Indexed
<span class="code-keyword" style="color: #000091">public</span> class Course <span class="code-keyword" style="color: #000091">extends</span> Group<CourseMember> {
<span class="code-keyword" style="color: #000091">private</span> List<Module> modules = <span class="code-keyword" style="color: #000091">new</span> ArrayList<Module>();
@OneToMany(cascade=CascadeType.ALL,fetch=FetchType.LAZY, mappedBy=<span class="code-quote" style="color: #009100">"course"</span>,orphanRemoval=<span class="code-keyword" style="color: #000091">true</span>)
@OrderColumn
@Cache(usage=CacheConcurrencyStrategy.READ_WRITE,region=CacheRegion.COURSE)
<span class="code-keyword" style="color: #000091">public</span> List<Module> getModules() {
<span class="code-keyword" style="color: #000091">return</span> modules;
}
[...]
}
</pre>
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<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Entity
@Table
@Cache(usage=CacheConcurrencyStrategy.READ_WRITE,region=CacheRegion.COURSE)
<span class="code-keyword" style="color: #000091">public</span> class Module <span class="code-keyword" style="color: #000091">implements</span> Serializable{
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">Long</span> id;
<span class="code-keyword" style="color: #000091">private</span> Course course;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
@Column(updatable = <span class="code-keyword" style="color: #000091">false</span>, insertable = <span class="code-keyword" style="color: #000091">false</span>)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">Long</span> getId() {
<span class="code-keyword" style="color: #000091">return</span> id;
}
@ManyToOne(fetch=FetchType.LAZY,optional=<span class="code-keyword" style="color: #000091">false</span>)
@JoinColumn(nullable=<span class="code-keyword" style="color: #000091">false</span>, insertable= <span class="code-keyword" style="color: #000091">true</span>, updatable=<span class="code-keyword" style="color: #000091">false</span>)
@NotNull
<span class="code-keyword" style="color: #000091">public</span> Course getCourse() {
<span class="code-keyword" style="color: #000091">return</span> course;
}
[...]
}
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I save the module like this</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-object" style="color: #910091">boolean</span> nw = module.getId() == <span class="code-keyword" style="color: #000091">null</span>;
module = (Module) dao.saveObject(module);
<span class="code-keyword" style="color: #000091">if</span>(nw){
Course course = module.getCourse();
course.getModules().add(module);
dao.save(course);
}
<span class="code-keyword" style="color: #000091">return</span> module;
</pre>
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