15 | Exceeding max connections and crashing down and database lost connection with the JBOSS AS, several restarts got it up and running finally ... to implement closing of connection after every commit we make by the user? Q2. Our JBOSS AS frequently ... hype size to 6GB and since that we haven’t have any crashes of JBOSS. Important to note is that JBOSS |
3 | GROUP BY and HAVING clauses to grouping by the GROUP BY clauses before arriving at the SELECT clause. GROUP BY as DISTINCT ... which returns the first letters as result. ObjectDB is very flexible in allowing JPQL expressions anywhere in ... all the JPA implementations. Grouping the Country objects makes them inaccessible to the SELECT clause as |
3 | ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection console app for NetBeans8.1 provided, as explained below). To reproduce download the app and unpack ... as owner project.addOwnedElement(model); Element example = new Element ... .jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke |
3 | JPA Entity Fields are always considered to be transient. Other fields can be declared explicitly as transient using ... store methods or code. Only the persistent state of the entity object, as reflected by its persistent ... type, including a generic java.lang.Object, as long as the type of the actual value at runtime |
3 | Eclipse Public License - v 1.0 brought by any other entity based on infringement of intellectual property rights or otherwise. As ... , such as lost profits; iii) states that any provisions which differ from this Agreement are offered ... notices contained within the Program. Each Contributor must identify itself as the originator |
3 | WHERE clause (JPQL / Criteria API) objects to the SELECT clause for collecting as query results, the WHERE clause gets an opportunity to function as a filter. The boolean expression in the WHERE clause, which is also known as ... evaluates to TRUE are passed to the SELECT clause and then collected as query results. WHERE Predicate |
3 | JPA / JDO Class Enhancer tracking of persistent field modifications, avoiding the need for snapshot comparison of entities (as ... (one-to-one relationship) have to be loaded eagerly. Special optimized methods are added to enhanced classes as ... file. You can run it from the command line as follows: > java -cp objectdb.jar com.objectdb |
2 | SSL Configuration") specifies if SSL is used. As shown above, SSL is disabled by default. It could be enabled when accessing remote ObjectDB databases over an insecure network such as the Internet. SSL Keystore and Truststore Files To use SSL you have to generate at least two files: A Keystore file that functions as |
2 | Database Connection using JPA instance obtained from the EntityManager. An EntityManager instance also functions as a factory ... of the createEntityManagerFactory method takes a map of persistence unit properties as a second parameter: Map<String ... the database file. Connection URL The createEntityManagerFactory method takes as an argument a name |
2 | JPA Criteria API Queries JPQL queries are defined as strings, similarly to SQL. JPA criteria queries, on the other hand ... .g. as named queries) may be preferred. For dynamic queries that are built at runtime - the criteria ... An equivalent query can be built using the JPA criteria API as follows: CriteriaBuilder cb = em |
