Databases
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PO"No row with the given identifier exists" although it DOES exist
 

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    <p>I am using Hibernate and getting </p> <blockquote> <p>Exception in thread "main" org.hibernate.ObjectNotFoundException: No row with the given identifier exists: [#271]</p> </blockquote> <p>What is pretty weird about this error is, that the object with the given id exists in the database. I inserted the problematic record in another run of the application. If I access it in the same run (i.e. same hibernate session) there seem to be no problems retrieving the data.</p> <p>Just because it could be a fault of the mapping:</p> <pre><code>public class ProblemClass implements Persistent { @ManyToOne(optional = false) private MyDbObject myDbObject; } public class MyDbObject implements Persistent { @OneToMany(mappedBy = "myDbObject") private List&lt;ProblemClass&gt; problemClasses; @ManyToOne(optional = false) private ThirdClass thirdClass; } </code></pre> <p>I have absolutely no clue even where to look at. Any hints highly appreciated!</p> <p>Just to clarify: The data was inserted in another RUN of the application. It is definitely in the database, as I can see it via an SQL-Query after the application terminated. And after THAT, i.e. when starting the application again, I get the error in the FIRST query of the database -- no deletion, no rollback involved.</p> <p>Addition: Because it was asked, here is the code to fetch the data:</p> <pre><code>public List&lt;ProblemClass&gt; getProblemClasses() { Query query = session.createQuery("from ProblemClass"); return query.list(); } </code></pre> <p>And just to make it complete, here is the generic code to insert it (before fetching in another RUN of the application):</p> <pre><code>public void save(Persistent persistent) { session.saveOrUpdate(persistent); } </code></pre>
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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