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70

JPA Persistable Types

. Proxy Classes When entities are retrieved from the database, instances of mutable persistable system types (i.e. collections, maps and dates) are instantiated using proxy classes that extend ... . Most applications are not affected by this, because proxy classes extend the original Java classes
41

Nexus proxy repository with ObjectDB

I'm trying to setup a proxy repository in my local Nexus to retrieve artifacts from objectdb ... config: ID: objectdb Name: ObjectDB Type: proxy Provider: Maven2 Format: maven2 Policy: Release Remote ... .nexus.proxy.storage.remote.httpclient.HttpClientRemoteStorage - Updating remote transport for proxy
17

JPA / JDO Class Enhancer

using proxy objects), but persistent fields that reference entity objects directly
17

JPA Entity Fields

is less efficient than an inverse collection or map field because no proxy class is used and the inverse
13

javax.jdo.PersistenceManagerFactory

. Since: JDO 1.0 PersistenceManager getPersistenceManagerProxy() Get a thread-safe instance of a proxy ... instance of a proxy that dynamically binds on each method call to an instance of PersistenceManager. When used with a PersistenceManagerFactory that uses TransactionType JTA, the proxy can be used in
12

getPersistenceManagerProxy()

() Get a thread-safe instance of a proxy that dynamically binds on each method call to an instance of PersistenceManager. When used with a PersistenceManagerFactory that uses TransactionType JTA, the proxy ... TransactionType RESOURCE_LOCAL, the proxy uses an inheritable ThreadLocal to bind to an instance
8

Glassfish 4 AbstractMethodError: com.objectdb.jpa.EMF.createEntityManager

:88) at com.sun.proxy.$Proxy211.findUser(Unknown Source) at com.mirq.controller.__EJB31_Generated ... (Reflections.java:396) at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:108) at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke
5

version 2.4.5+ with GlassFish 3.1.2, errors when runs application. Version 2.4.4 worked but not 2.4.5 or later

.reflection.SecureReflections.invoke(SecureReflections.java:263) at org.jboss.weld.bean.proxy ... .proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56) at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:105) at luc.example.UserFacade$Proxy
4

2.5.3_02: java.lang.UnsupportedOperationException

.proxy.$Proxy266.login(Unknown Source) at ru.mycityseason.beans.__EJB31_Generated__UserBean__Intf ... :396) at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:108) at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke
4

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

.proxy.$Proxy196.buildProject(Unknown Source) at com.greensoft.objectdb.test.mini.ejb.__EJB31 ... .sun.proxy.$Proxy199.remove(Unknown Source) at com.greensoft.objectdb.test.mini.ejb.__EJB31

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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