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users.openjpa.apache.org

June 2007
Test
Craig L Russell — 118098049704 Jun 2007 Craig Russell DB PMC, OpenJPA PMC http://db.apache.org/jdo...
getPositionalParameters/getNamedParameters/hasPositionalParameters behavior (1 Reply)
Reddy SMK — 118098878204 Jun 2007* Hi Guys i tried these method for some reason i am not getting the expected results.... has any one tried these methods? i have the following named que...
Persistent capable Collection of interfaces (1 Reply)
Christian Neumann — 118115640406 Jun 2007* Hi, I'm trying to persistent an existing code base. While it works really well, I've one situation I cannot solve. Few classes contain some ...
Re: Persistent capable Collection of interfaces
Christian Neumann — 118120062207 Jun 2007 Hi, Yes, I've also tried @ElementType (instead of @Type because I've a collection); both with Entity.class and my concrete interface, but I ...
build-time enhancement question (5 Replies)
os_developer — 118136799109 Jun 2007* Hi, I hope this is the appropriate place to ask this question. I am using the ant task <openjpac> to enhance my classes at build-time but when I...
Refresh disconnected entity (1 Reply)
PeshoChuka — 118167853112 Jun 2007* Hello I have an e-commerce application. And I am using JSF and stateless EJB's. In a session managed bean I am storing the User object who is dos...
openjpa ant tasks (7 Replies)
os_developer — 118177289113 Jun 2007* I've got another newbie question... Where can I find a specification on the details of how to use the various openjpa ant tasks? I'm having ...
Support for Derby's Network driver (1 Reply)
Gavin Bong — 118180821214 Jun 2007* Hi, >From the documentation, OpenJPA only supports Derby via the embedded driver. Are there any plans to support the client-server driver ? Will yo...
OpenJPS in standalone environment (4 Replies)
Bruce Beaumont — 118196418416 Jun 2007* Hi I have a simple (standalone) app connecting to a database and reading a row of data from a table using em.fetch() in a loop. The data being returne...
OR mapping (1 Reply)
ao — 118219083918 Jun 2007* Is there a way to generate the OR mapping (example below) from a table using SchemaTool or MappingTool or others? Thanks. ......
Self Bidirectional relation trouble (1 Reply)
Mariano — 118229047519 Jun 2007* Hi all! I've decided migrating from TopLink to OJPA, and I'm having a trouble with the following code: @Entity @Inheritance (strategy = Inhe...
autocommit (2 Replies)
eric.zoerner — 118236088220 Jun 2007* How does OpenJPA interact with the autocommit setting in the underlying database, does it turn it off or does it use the default (on)? If it doesn...
empty string to null and custom sql annotation?
Alessandro Ferrucci — 118240235421 Jun 2007 hey guys, few questions: 1) Is there a way in JPA to specify that if a certain field is an empty string that we'd like it to not insert it in the...
empty string to null and custom sql annotation? (1 Reply)
Alessandro Ferrucci — 118245797521 Jun 2007* hey guys, few questions: 1) Is there a way in JPA to specify that if a certain field is an empty string that we'd like it to not insert it in the...
When to use AbstractStoreManager? (2 Replies)
Ed Hillmann — 118247559222 Jun 2007* Hi all. I'm investigating the abilities of JPA against a custom API for data definition and retrieval. While 99.99% of the JPA examples I...
openJPA with DBCP connection pool (3 Replies)
Alessandro Ferrucci — 118249446122 Jun 2007* hey guys trying to configure openjpa to use a connection pool provided by dbcp. my persistence unit is: <persistence xmlns="http://java.sun.co...
Using MethodQL (3 Replies)
e33238 — 118294451027 Jun 2007* I'm trying to figure out how to use MethodQL. This is the example given in the UserGuide: // the method query language is 'openjpa.MethodQL...
RemoteCommitProviders (was Re: Using MethodQL) (2 Replies)
Patrick Linskey — 118296501127 Jun 2007* You mention that you want to track changes on a remote server. Presumably you mean that you want to receive notifications of commits in a callback tha...
org.apache.openjpa.persistence.PersistenceException: null when retrieving persistent Collection (2 Replies)
Ed Hillmann — 118298250827 Jun 2007* I have an item (CachedItem) that contains a persistent Collection (of CachedItemReference objects), defined as follows: @OneToMany(mappedBy="cach...
Inheritance type JOINED (4 Replies)
Daniel Migowski — 118302486428 Jun 2007* Hello Users, I just tried out the inheritance type JOINED and added the subclass fetch mode NONE. My first thoughts were, that this would make queries...
org.apache.openjpa.persistence.ArgumentException? (13 Replies)
Ed Hillmann — 118302495728 Jun 2007* I'm attempting to try some existing JPA code (currently using TopLink) with OpenJPA. I think I've got everything set up, but when I run some...

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