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https://issues.apache.org/jira/browse/DERBY-3650?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12593326#action_12593326
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golgoth14 edited comment on DERBY-3650 at 4/30/08 7:18 AM:
------------------------------------------------------------
Hi,
Please, import the project into Eclipse.
You could generate the eclipse project with the maven command "mvn
eclipse:eclipse".
Next, run the JUnit test called TestBlob.
OR
run the command "mvn test -DtestClassesDirectory=.\target\classes"
under the directory "...\mvn test -DtestClassesDirectory=.\target\classes"
was (Author: golgoth14):
Hi,
Please, import the project into Eclipse.
You could generate the eclipse project with the maven command "mvn
eclipse:eclipse".
Next, run the JUnit test called TestBlob.
> Derby + Hibernate JPA 3.2.1 problem on entity with Blob/Clob
> ------------------------------------------------------------
>
> Key: DERBY-3650
> URL: https://issues.apache.org/jira/browse/DERBY-3650
> Project: Derby
> Issue Type: Bug
> Components: Network Client
> Affects Versions: 10.4.1.3
> Environment: Mac OSX 10.4
> JDK 1.5.0_13
> Hibernate EntityManager 3.2.1
> Reporter: Golgoth 14
> Attachments: DerbyHibernateTest.zip
>
>
> Hi,
> I'm using Derby in Client - Server mode with Hibernate JPA EJB 3.0.
> When a query on an entity containing a Clob and some joins on other entites
> is executed, an exception with the following message is thrown:
> XJ073: The data in this BLOB or CLOB is no longer available. The
> BLOB/CLOB's transaction may be committed, or its connection is closed.
> This problem occurs when the property "hibernate.max_fetch_depth" is greater
> than 0.
> When hibernate.max_fetch_depth=0, the query works.
> If Derby is configured in embedded mode, the query works independently of the
> value of hibernate.max_fetch_depth.
> On the Hibernate's documentation, the advised value of
> hibernate.max_fetch_depth is 3.
> Could you explain me if I made something wrong ?
> Thank you.
> Stephane
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