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, all used by composition .  I get the following error: Error: Failed to commit transaction: Attempt

with. So to facilitate this mechanism you can specify a parameter in your services.xml file as under.( from the wso2 site )” composite . . . . . . . .

] (DeploymentScanner-threads - 1) {"JBAS014653: Composite operation failed and was rolled back. Steps that failed

Other Object database doesn't support JPA?   Manikandan ManikandanPalaniappan JPA is designed as an API for Object Relational Mapping (ORM), so many JPA features cannot be supported by regular object databases. For example, user defined primary keys and composite primary keys are features

I know the following 2 ways to declare a composite Primary key: ********* Solution 1 ********* @Entity @IdClass(CompositePK.class) public class A {     @Id private long uid;     @Id private String zone; } public class CompositePK {     

Hello, I have composite index, and it was working fine, but now I need to add more features to the software and I need to throw more indexes in there. I wanted to know what's the best way to do this. 1. Have some admin tool CREATE INDEX..... ON a.b or 2. add more @Index to the object entities. in

Java collection types. Consider composition instead of inheritance. i.e. the  MyList  entity

proper indexes. You can also use composite indexes that consist of the className field

, and this should be fixed. Update: Issue #1140 has been filed to cover the limitations of composite url and automatic server switch. support Support

.jboss.as.server.deployment.scanner] (DeploymentScanner-threads - 1) {"JBAS014653: Composite operation

of stores. A composite index on the fields in Store. ObjectDB will maintain each index separately

also composite indexes: on classIdentifier + type on classIdentifier + objectName support

. This is something that ObjectDB should do better. Anyway, the best solution may be defining a composite

. Could you please provide details on the primary key of JdoBlob2 ? Is it composite ? embedded ID

collision . Improved BIRT support ( issue #659 ). Improved evaluation of query plans that use composite

of a composite BETWEEN query. Fixed NullPointerException when using AND TRUE in WHERE clause (issue

with JBoss. Fixed query execution issues with using composite indexes. Fixed a bug in using LIKE operator in

Added an option to disable temporary file deletion . Added support of using entity classes with missing dependent types. Added support of composite indexes with components of different lengths . Fixed a bug in reflection mode in detecting changes after flush ( issue #1602 ). Fixed

the key before the entities are persisted so that we can build even references. a) Composite Primary Key

Improved query plan evaluation (including for selecting composite indexes). Fixed new statistics collection for queries. Fixed a bug in LEFT OUTER JOIN queries ( issue #2438 ).

Fixed a critical bug that may cause collisions between schema versions ( issue #2621 ). Fixed unsupported unwrap to throw _PersistenceException (a subclass of PersistenceException). Fixed an Explorer bug in presenting composite IDs. Fixed a bug in using date and time query parameters in

). Use an ID class or an embedded ID as the second parameter if  you have  a composite