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Re: [eclipselink-users] EclipseLink+Spring+ComboPooledDataSource+MySQL ORM not persisting
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babasholaking wrote:
>
> <p>Help anybody as I have waisted over a week with this problem. Currently
> considering going to Hibernate or DataNucleus(JPOX) instead of
> EclipseLink.</p>
>
> <p>My issue is that getJpaTemplate().persist(entity) is not persisting to
> database! Looking at the logs I can see that no Insert statement issued by
> Eclipselink. Reviewing some of the forums (here and eclipselink), seems to
> suggest transaction related issue but I can't seem to be able resolve
> this. I have removed a few characters to make the code display properly,
> like '<' signs, here and there!
> </p>
>
> <p>The following is my set-up;<br>
>
> <p>datasourceContext.xml</p>
>
> <pre><emp>
> <code>
> bean id="dataSource" parent="c3poAbstractDS"
> p:driverClass="${db.driverClassName}" p:jdbcUrl="${db.url}"
> p:user="${db.username}" p:password="${db.password}"
> lazy-init="false"
>
> bean id="c3poAbstractDS" class="com.mchange.v2.c3p0.ComboPooledDataSource"
> destroy-method="close" abstract="true"
> p:initialPoolSize="${db.initialPoolSize}"
> p:minPoolSize="${db.minPoolSize}"
> p:maxPoolSize="${db.maxPoolSize}"
> p:acquireIncrement="2" p:acquireRetryAttempts="30"
> p:acquireRetryDelay="100" p:checkoutTimeout="3000"
> p:maxIdleTime ="1000" p:maxIdleTimeExcessConnections="300"
> p:maxStatements="500" p:maxStatementsPerConnection ="300"
> p:maxConnectionAge="3000"
> p:idleConnectionTestPeriod="30" p:testConnectionOnCheckin="true"
> p:testConnectionOnCheckout="false"
> p:numHelperThreads="5" p:breakAfterAcquireFailure="false"
> p:autoCommitOnClose="false"
> p:forceIgnoreUnresolvedTransactions="true"
> p:usesTraditionalReflectiveProxies="false"
> p:preferredTestQuery="select 1;"
> </code>
> </emp>
> </pre>
>
> <p>applicationContext.xml entries:</p>
> <pre><emp>
> <code>
> context:component-scan base-package="com.xxx.leopersistence"
>
> context:annotation-config />
> aop:aspectj-autoproxy />
>
> !-- Configure LoadTimeWeaver. Be sure to start JVM with
> -javaagent=spring-agent.jar -->
> context:load-time-weaver aspectj-weaving="on" />
>
> !-- JPA annotations bean post processor. Will inject persistence
> related resources. -->
> !-- Necessary to get the entity manager injected into the factory bean
> -->
> bean
> class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor"
> />
> !-- Adds transparent exception translation to the DAOs -->
> bean
> class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor"
> />
> !-- Adds dependency checks for setters annotated with @Required -->
> bean
> class="org.springframework.beans.factory.annotation.RequiredAnnotationBeanPostProcessor"
> />
>
> bean id="jpaDialect"
> class="org.springframework.orm.jpa.vendor.EclipseLinkJpaDialect"
> />
> bean id="loadTimeWeaver"
>
> class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver"
> />
> bean id="jpaVendorAdapter"
>
> class="org.springframework.orm.jpa.vendor.EclipseLinkJpaVendorAdapter"
>
> p:databasePlatform="org.eclipse.persistence.platform.database.MySQLPlatform"
> p:generateDdl="false" p:showSql="true" />
>
> bean id="entityManagerFactory"
>
> class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"
> p:persistenceUnitName="leopersistencePU"
> p:dataSource-ref="dataSource"
> p:persistenceXmlLocation="classpath:META-INF/persistence.xml"
> p:jpaDialect-ref="jpaDialect"
> p:jpaVendorAdapter-ref="jpaVendorAdapter"
> p:loadTimeWeaver-ref="loadTimeWeaver" />
>
> bean id="transactionManager"
> class="org.springframework.orm.jpa.JpaTransactionManager"
> p:entityManagerFactory-ref="entityManagerFactory" />
> tx:annotation-driven transaction-manager="transactionManager" />
>
> bean id="DBAuthorizedPositionDAO"
> class="com.leofund.leopersistence.DBAuthorizedPositionDAO"
> p:entityManagerFactory-ref="entityManagerFactory" />
> ...
> </code>
> </emp></pre>
>
> <p>persistence.xml entry;</p>
> <pre><emp><code>
> persistence-unit name="leopersistencePU"
> transaction-type="RESOURCE_LOCAL">
> provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
>
> class>com.leofund.leopersistence.entities.DBAuthorizedPosition</class>
> ...
> exclude-unlisted-classes>false</exclude-unlisted-classes>
>
> properties>
> property name="eclipselink.weaving" value="false" />
> property name="eclipselink.logging.level" value="FINEST"/>
> property name="eclipselink.target-database" value="MYSQL"/>
> property name="eclipselink.target-server" value="None"/>
> property name="show-sql" value="true"/>
>
> property name="eclipselink.cache.shared.default" value="false"/>
>
> property name="eclipselink.jdbc.read-connections.min" value="1"/>
> property name="eclipselink.jdbc.write-connections.min"
> value="1"/>
> !--
> property name="eclipselink.logging.logger"
>
> value="com.leofund.leoserver.utils.Log4JEclipseLinkLogger"/>
>
> property name="eclipselink.cache.type.default" value="SoftWeak"/>
> property name="eclipselink.cache.size.default" value="0"/>
> -->
> property name="eclipselink.logging.thread" value="true"/>
> property name="eclipselink.logging.session" value="true"/>
> property name="eclipselink.logging.timestamp" value="true"/>
> property name="eclipselink.logging.exceptions" value="true"/>
> property name="eclipselink.logging.level.WEAVER" value="INFO"/>
>
> property name="eclipselink.orm.throw.exceptions" value="true"/>
>
> property name="eclipselink.jdbc.batch-writing" value="JDBC"/>
> property name="eclipselink.jdbc.batch-writing.size"
> value="1000"/>
> property name="eclipselink.jdbc.bind-parameters" value="true"/>
>
> property name="eclipselink.jdbc.cache-statements" value="true"/>
> property name="eclipselink.jdbc.cache-statements.size"
> value="10000"/>
>
> property name="eclipselink.persistence-context.close-on-commit"
> value="true"/>
> /properties>
> /persistence-unit>
> </code>
> </emp>
> </pre>
>
> <p>I have tried various combination and have scowled google to no resolve.
> All my finders works fine but the insert/update/delete does not issue the
> relevant SQL. Please help I am desperate as it's now eating into my
> estimates big time. I have also reviewed my ID generation and tried the
> various options TABLE/SEQUENCE/IDENTITY, the same result.</p>
>
> <p>All my entity managers are not defined with any Transactions e.g;</p>
>
> <pre><code>
> public class DBEntityDAO extends JpaDaoSupport implements IDBEntityDAO {
>
> public void save(DBEntity entity) {
> logger.info("saving DBEntity instance");
> try {
> getJpaTemplate().persist(entity);
> logger.info("save successful");
> } catch (RuntimeException re) {
> logger.error("save failed", re);
> throw re;
> }
> }
>
> public void delete(DBEntity entity) {
> logger.info("deleting DBEntity instance");
> try {
> entity = getJpaTemplate().getReference(DBEntity.class,
> entity.getEntityId());
> getJpaTemplate().remove(entity);
> logger.info("delete successful");
> } catch (RuntimeException re) {
> logger.error("delete failed", re);
> throw re;
> }
> }
>
> public DBEntity update(DBEntity entity) {
> logger.info("updating DBEntity instance");
> try {
> DBEntity result = getJpaTemplate().merge(entity);
> logger.info("update successful");
> return result;
> } catch (RuntimeException re) {
> logger.error("update failed", re);
> throw re;
> }
> }
>
> public DBEntity findById(Integer id) {
> logger.info("finding DBEntity instance with id: " + id);
> try {
> DBEntity instance = getJpaTemplate().find(DBEntity.class, id);
> return instance;
> } catch (RuntimeException re) {
> logger.error("find failed", re);
> throw re;
> }
> }
> </code></pre>
>
> <p>I am using programmatic transactions at my service layer as
> follows;</p>
>
> <pre><code>
> public int addJPAManager(String name, String shortName, boolean active,
> int displayOrderId)
> throws ServiceException {
> int newManagerId = -1, managerId = -1;
> TransactionStatus status = startDBTransaction();
> try {
> // find the entity represent the manager by name
> List dbEntities =
> jpaDelegateServices.findByProperty(DBEntity.class, "name", name);
> DBEntity dbEntity = null;
> if (dbEntities == null || dbEntities.size() == 0) {
> // none exists then create new
> dbEntity = new DBEntity(name, shortName,
> SimpleUtils.booleanString(active));
> jpaDelegateServices.save(DBEntity.class, dbEntity);
> } else {
> if (dbEntities.size() > 1)
> throw new ServiceException("Error, non unique entity exists
> for the new manager!");
> dbEntity = (DBEntity)dbEntities.get(0);
> }
> managerId = dbEntity.getEntityId();
>
> // find the manager by managerId
> DBManager dbManager =
> (DBManager)jpaDelegateServices.findById(DBManager.class, managerId);
> if (dbManager != null)
> throw new ServiceException("Error, new manager already
> exists!");
>
> dbManager = new DBManager(managerId, dbEntity,
> (short)displayOrderId, booleanString(active));
> jpaDelegateServices.save(DBManager.class, dbManager);
> newManagerId = dbManager.getManagerId();
>
> transactionManager.commit(status);
> messagingServices.broadcastDataElementChanged("Manager",
> newManagerId);
> } finally {
> if (!status.isCompleted()) transactionManager.rollback(status);
> }
> return newManagerId;
> }
>
> private TransactionStatus startDBTransaction() {
> DefaultTransactionDefinition def = new
> DefaultTransactionDefinition();
>
> def.setPropagationBehavior(TransactionDefinition.PROPAGATION_REQUIRES_NEW);
> return transactionManager.getTransaction(def);
> }
> </code>
> </pre>
>
-----
---
http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland
http://www.eclipse.org/eclipselink/
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TopLink
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http://www.nabble.com/EclipseLink-f26430.html EclipseLink
Book: http://en.wikibooks.org/wiki/Java_Persistence Java Persistence
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