About @Id

tutorial

Step 5: Add a JSP Page

Explains how to add a JSP to an Eclipse Spring MVC JPA web application project. In this step we will add the JSP that generates the guestbook HTML output: Open the [New JSP File] dialog box by right clicking WEB-INF under src/main/webapp (in the [Package Explorer] window), selecting  New > Other... > Web > JSP F ...

 
forum_thread

JVM crash when using IBM JDK 1.6.0

The FAQ states in the system requirements only that a JDK/JRE 1.5 or 1.6(prefered) is required. When I try to use the IBM JDK 1.6.0 I get a GPF exception while creating the entity manager. Looks like a call to putInt on sun.misc.Unsafe object Does this mean there is a BUG in the IBM JDK or are not all JDK's supported? #1 2011-06-07 02:03 The FAQ states in the system requirements only that a JDK/JRE 1.5 or 1.6(prefered) is required. When I tr ...

 
api-jdo

evict(oid)

Evict the parameter instance from the second-level cache.(Method of javax.jdo.datastore.DataStoreCache)

 
issue

Cannot insert more than about 2^20 objects

Hi I have a DB with 4 entities and a total of 4 index. Once I reach 1048565 total objects in the whole DB, i am unable to insert more object, although i get NO error message nor exceptions. Doctor said Db is fine (see below) I notice that 1048565 objects + 4 entities + 4 ID indexes + 4 other indexes = 1048576 = 2^20 . Is this a coincidence? Bug Version: Priority: Normal Status: Closed Replies: 1 Type:  Bug ...

 
api-jdo

evictAll(oids)

Evict the parameter instances from the second-level cache.(Method of javax.jdo.datastore.DataStoreCache)

 
issue

Lazy retrieval by access not working correctly

I have a problem loading lazy associations by access/navigation with an @Embedded attribute containing an @ElementCollection which is lazy loaded.  I'm not sure if the same problem exists elsewhere.  Furthermore, if I set a breakpoint in the right spot in debug mode, everything works correctly.  Without the breakpoint, my lazy collection does not get loaded.  Here are code snippets which should reproduce the problem. Bug Version: Priority: Normal Status: Closed Replies: 1 Type:  Bug ...

 
api-jpa

javax.persistence.JoinColumns

Defines mapping for composite foreign keys.(Annotation of JPA)

 
forum_thread

Use of sequences to generate field values in JDO

I'm trying to use sequences to set field values in JDO.  I want to do this in XML metadata to avoid use of annotations. This is an example of what I'm trying:   <package name="com.spiffymap.sealog.model">         <sequence name="audit_seq" factory-class="java.lang.Long" strategy="contiguous"/>         <class name="Audit" identity-type="application"> #1 2015-04-30 20:19 I'm trying to use sequences to set field values in JDO.  I want to do this in XML metadata to avoid use ...

 
api-jdo

jdoCopyKeyFieldsToObjectId(fm, oid)

Copy fields from an outside source to the key fields in the ObjectId.(Method of javax.jdo.spi.PersistenceCapable)

 
forum_thread

ObjectDB 2.6.9_06 (embedded): Cascading merge resulting in duplicate objects

This issue maybe related to issue #110 (http://www.objectdb.com/database/issue/110). Because that issue has been closed as "fixed", I am reporting this new issue. This is my class definition: #1 2016-12-14 18:59 This issue maybe related to issue #110 (http://www.objectdb.com/database/issue/110). Because that issue has been ...