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TemporalType injection with Calendar using JPA

TemporalType injection with Calendar using JPA

JPA Entity Fields

automatically injects the version value into that field. Version fields should be treated as read only by

Query Parameters in JPA

, embedding strings in queries is unsafe and can expose the application to JPQL injection attacks. Suppose

JPA Primary Key

the primary key value is automatically injected into that field by ObjectDB. The 

BeanCreationException in spring data JPA with objectDB

.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement. inject (AutowiredAnnotationBeanPostProcessor.java:502) at org.springframework.beans.factory.annotation.InjectionMetadata. inject (InjectionMetadata.java:84) at org ... .AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement. inject (AutowiredAnnotationBeanPostProcessor.java:474

Step 3: Define an EJB Session Bean

{ // Injected database connection: @PersistenceContext private EntityManager em; // Stores a new guest ... of the EJB class and injects an instance of the EJB class into the servlet (as shown in the  next step ). Prepares an  EntityManager automatically and injects it into the  em field

Step 3: Define a Spring DAO Component

.transaction.annotation.Transactional; @Component public class GuestDao { // Injected database ... the instantiation of the DAO component class and injects an instance of the DAO component class into the controller, as shown in the next step. Prepares an  EntityManager automatically and injects

Step 3: Define a Spring DAO Component

.springframework.transaction.annotation.Transactional; @Component public class GuestDao { // Injected database ... the instantiation of the DAO component class and injects an instance of the DAO component class into the controller, as shown in the next step. Prepares an  EntityManager automatically and injects

Step 3: Define an EJB Session Bean

; @Stateless public class GuestDao { // Injected database connection: @PersistenceContext private ... the instantiation of the EJB class and injects an instance of the EJB class into the servlet (as shown in the next step ). Prepares an EntityManager automatically and injects it into the em field

Step 4: Add a Servlet Class

GuestServlet extends HttpServlet { private static final long serialVersionUID = 1L; // Injected DAO EJB ... ; GuestDao session bean, which is instantiated and injected by the application server into the 

Step 4: Add a Servlet Class

long serialVersionUID = 1L; // Injected DAO EJB: @EJB GuestDao guestDao; @Override protected void ... on the database are carried on by the GuestDao session bean, which is instantiated and injected by

Database is erased after deploying a new web application version

(ServiceLocatorImpl.java:653) at org.glassfish.jersey.internal. inject . Injections .getOrCreate( Injections .java ... .glassfish.jersey.internal. inject . Injections .getOrCreate( Injections .java:169) at org.glassfish.jersey

Entity factory

via dependency injection like: @Entiy public class User { private final UserService userService;     @ Inject private User(UserService userService) { this.userService = userService ... are unsufficient since they are also created without the possibility to inject dependencies

A lot of ENT and SIV instances which are not cleared by GC

) at java.lang.reflect.Method.invoke(Method.java:483) at org.jboss.weld. injection .producer ... . injection .producer.DefaultLifecycleCallbackInvoker.preDestroy(DefaultLifecycleCallbackInvoker.java:82) at org.jboss.weld. injection .producer.BasicInjectionTarget.preDestroy(BasicInjectionTarget.java:99

Null enums and IS (NOT) NULL: NullPointerException

(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.jboss.weld. injection .producer ... .weld. injection .producer.DefaultLifecycleCallbackInvoker.postConstruct(DefaultLifecycleCallbackInvoker.java:73) at org.jboss.weld. injection .producer.BasicInjectionTarget.postConstruct

JBOSS AS7 7.1.1 - Entity not persisted and createNamedQuery fire exception

) @TransactionAttribute(TransactionAttributeType.REQUIRED) public class GuestDao {     // Injected ... ORDER BY g.id" ) @Stateless public class GuestDao {     // Injected database ... (TransactionAttributeType.REQUIRED) public class GuestDao {     // Injected database connection

Step 4: Add a Controller Class

. A GuestDao component is automatically constructed and injected by Spring into the guestDao field

Step 6: Set the Spring XML

and transactions), to inject a JPA  EntityManager , to manage transactions and to look for JSP pages in

Step 6: Set the Spring XML

, controllers and transactions), to inject a JPA EntityManager , to manage transactions and to look

Step 4: Add a Controller Class

is automatically constructed and injected by Spring into the guestDao field (because it is annotated

Problem undeploying Glassfish3.1.1 web application cleanly

EntityManager injection , using the undeploy feature under the Glassfish server node   ... example (which also uses @PersistenceContext EntityManager injection )? support Support   ... @PersistenceContext EntityManager injection )? Could not build GuestBook example from Maven, but I could create

Cannot save or update entity on Spring App

@Component @Transactional public class LanguageRepository { // Injected database connection ... { // Injected database connection: @PersistenceUnit(unitName="pu") EntityManagerFactory ... LanguageRepository extends DefaultRepository{ // Injected database connection: @PersistenceContext private

Spring Data JPA - PersistenceException thrown

:559) at org.springframework.beans.factory.annotation.InjectionMetadata$InjectedElement. inject (InjectionMetadata.java:169) at org.springframework.beans.factory.annotation.InjectionMetadata. inject

Not Enhanced: ...: com.objectdb.o.TEX: Type ..._$$_javassist_1 is not found

through @ Inject . Both are not entities or anything related to ObjectDB. AuthB is used in a JSF page for login. UserSessionB contains @ Inject UserC, which is @Stateless for dealing with CRUD operations

Type ... is not defined as an entity (@Entity is missing) (error 302)

groovy.beans.Bindable import javax. inject . Inject import com.epimss.lab.data.misc.OtherRqst import com

javax.persistence.PersistenceUnit

factory is to be accessed in the environment referencing context; not needed when dependency injection

javax.persistence.PersistenceUnit.name

JPA Annotation Attribute in javax.persistence.PersistenceUnit String name default "" (Optional) The name by which the entity manager factory is to be accessed in the environment referencing context; not needed when dependency injection is used. Since: JPA 1.0

javax.persistence.PersistenceContext

injection is used. Since: JPA 1.0 PersistenceProperty [] properties default {} (Optional) Properties

javax.persistence.PersistenceContext.name

JPA Annotation Attribute in javax.persistence.PersistenceContext String name default "" (Optional) The name by which the entity manager is to be accessed in the environment referencing context; not needed when dependency injection is used. Since: JPA 1.0

Pessimistic Lock Timeouts setting

with an injected stateful EJB which holds an instance of Entity Manager for each stock. This bean holds

Optimistic locking: prevent version increment on entity collection attribute

with the EntityManager's life cycle but cannot figure out what. I am using Guice injection and Guice persist

Mismatch client-server protocol prefix

but the problem only occurs with this one. The entity manager get's injected into every DAO by Spring

Configure ObjectDB in spring context

be able to inject EntityManagerFactory to my beans. Could you help me on this? vachagan Vachagan

ObjectDB within a resource adapter module and Java EE Connector Architecture

using an explicit EntityManagerFactory it is not clear to me how to " inject " easily specs

JSON serialization and __odbHidden members

{ @SuppressWarnings("unused") @Context private UriInfo context; @Context HttpServletRequest request; @ Inject private

Multi-tenant setup

database path). It is more tricky when using ObjectDB within an application server as automatic injection

Sorting problem

sake (to avoid SQL injection when the parameter value is obtained from an untrusted user). By the way

ID format in objectdb 2.x for JDOHelper.getObjectId

: private @Id @GeneratedValue long id; // JPA code and then the ID will be injected automatically

Object DB vs EclipseLink/TopLink: Unloaded relationships in detached entities

transaction by injection or direct lookup in the JNDI namespace. The persistence context type

Out of memory

-exec-3] DEBUG o.s.b.f.annotation.InjectionMetadata - Processing injected method of bean

Remove an entity which attributes were changed - OptimisticLockException

to the entity class, so the version number will be injected to that field. Please check this version number

Memory leak while merging parent with No Cascade annotation with children

customed dynamic class ... but i'm not a specialist of java reflection and injection stuff. So i opened

On initialisation of lists: impact on migration from EclipseLink to ObjectDB

I would like to draw the attention of those assessing migration from EclipseLink ORM to ObjectDB to a significant difference in the initialization of persistent lists, namely that EclipseLink injects a List implementation into the List field to be initialise it during EntityManager.persist

system exception occurred during an invocation on EJB GuestDao

(see below). How can I verify if the EntityManager has been successfully injected ? (statement

objectdb-2.6.9_06: Extended Persistence Context fails: 'Attempt to begin a new transaction when a transaction is active'

projects easily in a loop; one can't inject with @EJB in a loop. One can also make a build depend