Re: [eclipselink-users] Eclipselink 2 / JPA 2 integration with Spring on

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Re: [eclipselink-users] Eclipselink 2 / JPA 2 integration with Spring on WebLogic 12.1.1

From: Michael O'Brien <Michael.F.Obrien@xxxxxxxxx>
Date: Fri, 17 Feb 2012 18:58:25 -0500
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Thread-topic: Eclipselink 2 / JPA 2 integration with Spring on WebLogic 12.1.1

Michael,

That approach is for Java EE EJB proxies. Where are you running Spring from? If from the modules directory on WebLogic – then we would be at the same EJB level classloader. But I suspect that you are including Spring with your WAR right? In that case you need to develop for a web only level. You can also try a shared library if this works for you.

I assume this is all on an older WebLogic 10.3.3?

From your error it looks like the @Autowired spring bean for your EMF has issues because the path to the jar containing your entities is not found .

I would start with either verifying that the entity library is found or placing your entities directly in the war (use many <class> instead of <jar-file> to start so that the persistence unit gets predeployed properly and then packaging separately.

Also, check your manifest – I had to add a reference as follows to pick up jars in addition to the <jar-file> property

Class-Path: org.obrienlabs.distributed.CollatzModel.jar

Note: WebLogic actually uses an older (BEA era) version of the DI mechanism the AOP Pitchfork framework when doing EE instrumentation. You should be fine using Spring 2.5 out of the box in WLS without packaging your own version of the library – unless you need to use Spring 3.x

/ Michael O’Brien

From: Michael Gitelman [mailto:mgitelman@xxxxxxxxxxxxxxx]
Sent: February 17, 2012 18:14
To: Michael O'Brien
Subject: RE: Eclipselink 2 / JPA 2 integration with Spring on WebLogic 12.1.1

Nothing seems to be working. I tried the second approach with SE jar by putting a jar in the lib of APP-INF and changing persistence.xml to

<?xml version="1.0" encoding="UTF-8"?>

<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">

<persistence-unit name="ConfigPropsPU" transaction-type="JTA">

<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>

<jta-data-source>jdbc/odev20122</jta-data-source>

<jar-file>lib/ConfigProp.jar</jar-file>

</persistence-unit>

</persistence>

But it couldn’t find it:

<Feb 17, 2012 6:10:13 PM EST> <Warning> <HTTP> <BEA-101162> <User defined listen

er dti.core.webapp.OasisContextLoaderListener failed: org.springframework.beans.

factory.BeanCreationException: Error creating bean with name 'configEventHeaderD

ao': Injection of persistence dependencies failed; nested exception is org.sprin

gframework.beans.factory.BeanCreationException: Error creating bean with name 'e

mf' defined in class path resource [dti/applicationContext-ConfigProp.xml]: Invo

cation of init method failed; nested exception is java.lang.IllegalArgumentExcep

tion: Cannot parse persistence unit from URL [file:/C:/p4/DTI/Dev/OASIS-2012.2.0

/oasis/web/eAdmin/exploded/eAdmin/ConfigProp.war/WEB-INF/classes/META-INF/persis

tence.xml].

org.springframework.beans.factory.BeanCreationException: Error creating bean wit

h name 'configEventHeaderDao': Injection of persistence dependencies failed; nes

ted exception is org.springframework.beans.factory.BeanCreationException: Error

creating bean with name 'emf' defined in class path resource [dti/applicationCon

text-ConfigProp.xml]: Invocation of init method failed; nested exception is java

.lang.IllegalArgumentException: Cannot parse persistence unit from URL [file:/C:

/p4/DTI/Dev/OASIS-2012.2.0/oasis/web/eAdmin/exploded/eAdmin/ConfigProp.war/WEB-I

NF/classes/META-INF/persistence.xml]

at org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProc

essor.postProcessPropertyValues(PersistenceAnnotationBeanPostProcessor.java:341)

at org.springframework.beans.factory.support.AbstractAutowireCapableBean

Factory.populateBean(AbstractAutowireCapableBeanFactory.java:1064)

at org.springframework.beans.factory.support.AbstractAutowireCapableBean

Factory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)

at org.springframework.beans.factory.support.AbstractAutowireCapableBean

Factory.createBean(AbstractAutowireCapableBeanFactory.java:456)

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getOb

ject(AbstractBeanFactory.java:291)

Truncated. see log file for complete stacktrace

Caused By: org.springframework.beans.factory.BeanCreationException: Error creati

ng bean with name 'emf' defined in class path resource [dti/applicationContext-C

onfigProp.xml]: Invocation of init method failed; nested exception is java.lang.

IllegalArgumentException: Cannot parse persistence unit from URL [file:/C:/p4/DT

I/Dev/OASIS-2012.2.0/oasis/web/eAdmin/exploded/eAdmin/ConfigProp.war/WEB-INF/cla

sses/META-INF/persistence.xml]

at org.springframework.beans.factory.support.AbstractAutowireCapableBean

Factory.initializeBean(AbstractAutowireCapableBeanFactory.java:1412)

at org.springframework.beans.factory.support.AbstractAutowireCapableBean

Factory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)

at org.springframework.beans.factory.support.AbstractAutowireCapableBean

Factory.createBean(AbstractAutowireCapableBeanFactory.java:456)

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getOb

ject(AbstractBeanFactory.java:291)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistr

y.getSingleton(DefaultSingletonBeanRegistry.java:222)

Truncated. see log file for complete stacktrace

Caused By: java.lang.IllegalArgumentException: Cannot parse persistence unit fro

m URL [file:/C:/p4/DTI/Dev/OASIS-2012.2.0/oasis/web/eAdmin/exploded/eAdmin/Confi

gProp.war/WEB-INF/classes/META-INF/persistence.xml]

at org.springframework.orm.jpa.persistenceunit.PersistenceUnitReader.rea

dPersistenceUnitInfos(PersistenceUnitReader.java:141)

at org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitMan

ager.readPersistenceUnitInfos(DefaultPersistenceUnitManager.java:308)

at org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitMan

ager.preparePersistenceUnitInfos(DefaultPersistenceUnitManager.java:276)

at org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitMan

ager.afterPropertiesSet(DefaultPersistenceUnitManager.java:261)

at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.cr

eateNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:192)

Truncated. see log file for complete stacktrace

Caused By: java.io.FileNotFoundException: ServletContext resource [/lib/ConfigPr

op.jar] cannot be resolved to URL because it does not exist

at org.springframework.web.context.support.ServletContextResource.getURL

(ServletContextResource.java:132)

at org.springframework.orm.jpa.persistenceunit.PersistenceUnitReader.par

seJarFiles(PersistenceUnitReader.java:329)

at org.springframework.orm.jpa.persistenceunit.PersistenceUnitReader.par

sePersistenceUnitInfo(PersistenceUnitReader.java:281)

at org.springframework.orm.jpa.persistenceunit.PersistenceUnitReader.par

seDocument(PersistenceUnitReader.java:179)

at org.springframework.orm.jpa.persistenceunit.PersistenceUnitReader.rea

dPersistenceUnitInfos(PersistenceUnitReader.java:132)

Truncated. see log file for complete stacktrace

Best regards,

Michael Gitelman

mgitelman@xxxxxxxxxxxxxxx

Delphi Technology, Inc.

One Washington Mall, Suite 3

Boston, MA 02108

O: 617 259 1256

F: 617 778 2296

www.delphi-tech.com

Experience, Innovation... Results.

From: Michael O'Brien [mailto:Michael.F.Obrien@xxxxxxxxx]
Sent: Friday, February 17, 2012 3:26 PM
To: Michael Gitelman
Cc: EclipseLink User Discussions
Subject: RE: Eclipselink 2 / JPA 2 integration with Spring on WebLogic 12.1.1

Michael,

Hi, I would put your entities in one of the standard locations – for EE

1) Beside the persistence.xml

2) In their own java SE jar (matches p.445 section 13-11 of the Pro JPA 2 book)

3) Persistence archive

collatzEAR

+--- APP-INF

+--- classes (empty)

+--- lib (empty)

+--- lib

+--- collatzModel.jar

+--- collatzEJB.jar (/META-INF/persistence.xml – is here)

+--- collatzWeb.jar

Normally, I would recommend 2) and decouple the entities from any EE or Web tier so you can use them anywhere as well as SE junit test them.

If you follow the structure of the examples directory – you will see an example of 2)

However, I since your persistence.xml and entities are both off of the classes classloader – I would expect this to be ok. I normally work with jars in the EAR where the model jar is separate from the ejb.jar and the war jar. There is a use case for application managed deployments putting everything off the app-inf folder.

I will look more into the spring use case when I have more time later today or tomorrow and get back to you – as I find all possible deployment scenarios of high interest.

Thank you

/ Michael O’Brien

From: Michael Gitelman [mailto:mgitelman@xxxxxxxxxxxxxxx]
Sent: February 17, 2012 15:09
To: Michael O'Brien
Cc: EclipseLink User Discussions
Subject: RE: Eclipselink 2 / JPA 2 integration with Spring on WebLogic 12.1.1

Michael,

Thank you for your response.

I completely switched to the Spring DI and got rid of EJB: configuring Spring and EJB proved to be too complicated and besides the rest of the application is using Spring configuration.

What you are telling me about the CNFE exception makes a lot of sense. I thought I should be fine: I deploy the application as an exploded EAR directory; my entity classes are in APP-INF/classes of the exploded EAR; my persistence.xml is in APP-INF\classes\META-INF.

What do you think is wrong?

Best regards,

Michael Gitelman

mgitelman@xxxxxxxxxxxxxxx

Delphi Technology, Inc.

One Washington Mall, Suite 3

Boston, MA 02108

O: 617 259 1256

F: 617 778 2296

www.delphi-tech.com

Experience, Innovation... Results.

From: Michael O'Brien [mailto:Michael.F.Obrien@xxxxxxxxx]
Sent: Friday, February 17, 2012 1:14 PM
To: Michael Gitelman
Cc: EclipseLink User Discussions
Subject: RE: Eclipselink 2 / JPA 2 integration with Spring on WebLogic 12.1.1

Michael,

Hi, I will look into your spring configuration when I get back into the office later today.

If you switch from EE container managed spec development to VMWare spring development – your configuration could change in several ways depending on whether you are running the spring DI container in your WAR or EJB container.

From a quick look on my IPhone, the CNFE exception is due to the persistence unit and entity classes being in different classloaders. The weaving exception I will need to look at. Normally the EJB container proxy handles this without Spring.

/Michael

From: Michael Gitelman [mailto:mgitelman@xxxxxxxxxxxxxxx]
Sent: February 17, 2012 12:37
To: Michael O'Brien
Subject: Eclipselink 2 / JPA 2 integration with Spring on WebLogic 12.1.1

Hi Michael,

Thank you for your help on trying to make JPA 2 / EclipseLink 2 to work on Weblogic 10.3.4. I have been able to persuade my superiors to move to WebLogic 12.1.1.

However, I am having a bit of a problem trying to deploy my persistence.xml. I have changed my design a bit. Now, instead of an EJB I am using a Spring configured DAO class (I am integrating my piece into a larger Spring-configured application). I use the same entities. I believe my problem is due to the Spring configuration.

That’s how my project looks like:

DAO Class

package dti.admin.cp.dao;

import dti.admin.cp.entity.ConfigEventHeader;

import org.springframework.stereotype.Component;

import org.springframework.transaction.annotation.Transactional;

import javax.persistence.EntityManager;

import javax.persistence.PersistenceContext;

import javax.persistence.Query;

import java.util.List;

@Component

public class ConfigEventHeaderDao {

@PersistenceContext(unitName = "ConfigPropsPU")

private EntityManager em;

@Transactional

public void persist(Object object) {

em.persist(object);

}

/**

* Returns a list of ConfigEventHeader objects in the database

* @return List<ConfigEventHeader>

public List<ConfigEventHeader> retrieve() {

Query query = em.createNamedQuery("ConfigEventHeader.findAll");

System.out.println(new java.sql.Timestamp(System.currentTimeMillis()) + " -- "

+this.getClass().getName()+ " -- "+"Retrieving a List ConfigEventHeaders...");

return query.getResultList();

}

/**

* Update the ConfigEventHeader record

* @param configEventHeader object to be updated

* @return Customer

@Transactional

public ConfigEventHeader update(ConfigEventHeader configEventHeader) {

System.out.println(new java.sql.Timestamp(System.currentTimeMillis()) + " -- "

+this.getClass().getName()+ " -- "+"ConfigEventHeader Update: "+configEventHeader.getConfigEventHeaderPk());

return em.merge(configEventHeader);

}

public ConfigEventHeader findByEntityPk(ConfigEventHeader configEventHeader) {

Query query = em.createNamedQuery("ConfigEventHeader.findByConfigEventHeaderPk");

System.out.println(new java.sql.Timestamp(System.currentTimeMillis()) + " -- "

+this.getClass().getName()+ " -- "+"findByEntityPk ConfigEventHeader: "+configEventHeader.getConfigEventHeaderPk());

return (ConfigEventHeader)query.getSingleResult();

}

public ConfigEventHeader loadById(Long id) {

System.out.println(new java.sql.Timestamp(System.currentTimeMillis()) + " -- "

+this.getClass().getName()+ " -- "+"Loading ConfigEventHeader by Id: "+id);

return em.find(ConfigEventHeader.class, id);

}

@Transactional

public void delete(ConfigEventHeader configEventHeader){

System.out.println(new java.sql.Timestamp(System.currentTimeMillis()) + " -- "

+this.getClass().getName()+ " -- "+"Deleting ConfigEventHeader: "+configEventHeader.getConfigEventHeaderPk());

em.remove(em.merge(configEventHeader));

}

A sample entity class

package dti.admin.cp.entity;

import java.io.Serializable;

import java.util.Date;

import java.util.List;

import javax.persistence.Basic;

import javax.persistence.CascadeType;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.Id;

import javax.persistence.NamedQueries;

import javax.persistence.NamedQuery;

import javax.persistence.OneToMany;

import javax.persistence.Table;

import javax.persistence.Temporal;

import javax.persistence.TemporalType;

@Entity

@Table(name = "CONFIG_EVENT_HEADER")

@NamedQueries({

@NamedQuery(name = "ConfigEventHeader.findAll", query = "SELECT c FROM ConfigEventHeader c"),

@NamedQuery(name = "ConfigEventHeader.findByConfigEventHeaderPk", query = "SELECT c FROM ConfigEventHeader c WHERE c.configEventHeaderPk = :configEventHeaderPk"),

@NamedQuery(name = "ConfigEventHeader.findByBuildId", query = "SELECT c FROM ConfigEventHeader c WHERE c.buildId = :buildId"),

@NamedQuery(name = "ConfigEventHeader.findByEventStatusCode", query = "SELECT c FROM ConfigEventHeader c WHERE c.eventStatusCode = :eventStatusCode"),

@NamedQuery(name = "ConfigEventHeader.findByComments", query = "SELECT c FROM ConfigEventHeader c WHERE c.comments = :comments"),

@NamedQuery(name = "ConfigEventHeader.findBySysCreatedBy", query = "SELECT c FROM ConfigEventHeader c WHERE c.sysCreatedBy = :sysCreatedBy"),

@NamedQuery(name = "ConfigEventHeader.findBySysUpdatedBy", query = "SELECT c FROM ConfigEventHeader c WHERE c.sysUpdatedBy = :sysUpdatedBy"),

@NamedQuery(name = "ConfigEventHeader.findBySysCreateTime", query = "SELECT c FROM ConfigEventHeader c WHERE c.sysCreateTime = :sysCreateTime"),

@NamedQuery(name = "ConfigEventHeader.findBySysUpdateTime", query = "SELECT c FROM ConfigEventHeader c WHERE c.sysUpdateTime = :sysUpdateTime")})

public class ConfigEventHeader implements Serializable {

private static final long serialVersionUID = 1L;

@Id

@Basic(optional = false)

@Column(name = "CONFIG_EVENT_HEADER_PK")

private Long configEventHeaderPk;

@Basic(optional = false)

@Column(name = "BUILD_ID")

private String buildId;

@Basic(optional = false)

@Column(name = "EVENT_STATUS_CODE")

private String eventStatusCode;

@Column(name = "COMMENTS")

private String comments;

@Column(name = "SYS_CREATED_BY")

private String sysCreatedBy;

@Column(name = "SYS_UPDATED_BY")

private String sysUpdatedBy;

@Column(name = "SYS_CREATE_TIME")

@Temporal(TemporalType.TIMESTAMP)

private Date sysCreateTime;

@Column(name = "SYS_UPDATE_TIME")

@Temporal(TemporalType.TIMESTAMP)

private Date sysUpdateTime;

@OneToMany(cascade = CascadeType.ALL, mappedBy = "configEventHeader")

private List<ConfigEventUser> configEventUserList;

@OneToMany(cascade = CascadeType.ALL, mappedBy = "configEventHeader")

private List<ConfigEventDetail> configEventDetailList;

public ConfigEventHeader() {

}

public ConfigEventHeader(Long configEventHeaderPk) {

this.configEventHeaderPk = configEventHeaderPk;

}

public ConfigEventHeader(Long configEventHeaderPk, String buildId, String eventStatusCode) {

this.configEventHeaderPk = configEventHeaderPk;

this.buildId = buildId;

this.eventStatusCode = eventStatusCode;

}

public Long getConfigEventHeaderPk() {

return configEventHeaderPk;

}

public void setConfigEventHeaderPk(Long configEventHeaderPk) {

this.configEventHeaderPk = configEventHeaderPk;

}

public String getBuildId() {

return buildId;

}

public void setBuildId(String buildId) {

this.buildId = buildId;

}

public String getEventStatusCode() {

return eventStatusCode;

}

public void setEventStatusCode(String eventStatusCode) {

this.eventStatusCode = eventStatusCode;

}

public String getComments() {

return comments;

}

public void setComments(String comments) {

this.comments = comments;

}

public String getSysCreatedBy() {

return sysCreatedBy;

}

public void setSysCreatedBy(String sysCreatedBy) {

this.sysCreatedBy = sysCreatedBy;

}

public String getSysUpdatedBy() {

return sysUpdatedBy;

}

public void setSysUpdatedBy(String sysUpdatedBy) {

this.sysUpdatedBy = sysUpdatedBy;

}

public Date getSysCreateTime() {

return sysCreateTime;

}

public void setSysCreateTime(Date sysCreateTime) {

this.sysCreateTime = sysCreateTime;

}

public Date getSysUpdateTime() {

return sysUpdateTime;

}

public void setSysUpdateTime(Date sysUpdateTime) {

this.sysUpdateTime = sysUpdateTime;

}

public List<ConfigEventUser> getConfigEventUserList() {

return configEventUserList;

}

public void setConfigEventUserList(List<ConfigEventUser> configEventUserList) {

this.configEventUserList = configEventUserList;

}

public List<ConfigEventDetail> getConfigEventDetailList() {

return configEventDetailList;

}

public void setConfigEventDetailList(List<ConfigEventDetail> configEventDetailList) {

this.configEventDetailList = configEventDetailList;

}

@Override

public int hashCode() {

int hash = 0;

hash += (configEventHeaderPk != null ? configEventHeaderPk.hashCode() : 0);

return hash;

}

@Override

public boolean equals(Object object) {

// TODO: Warning - this method won't work in the case the id fields are not set

if (!(object instanceof ConfigEventHeader)) {

return false;

}

ConfigEventHeader other = (ConfigEventHeader) object;

if ((this.configEventHeaderPk == null && other.configEventHeaderPk != null) || (this.configEventHeaderPk != null && !this.configEventHeaderPk.equals(other.configEventHeaderPk))) {

return false;

}

return true;

}

@Override

public String toString() {

return "dti.admin.cp.entity.ConfigEventHeader[configEventHeaderPk=" + configEventHeaderPk + "]";

}

persistence.xml

<?xml version="1.0" encoding="UTF-8"?>

<persistence version="2.0" xmlns="http://java.sun.com/xml/ns/persistence"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd">

<persistence-unit name="ConfigPropsPU" transaction-type="JTA">

<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>

<jta-data-source>jdbc/odev20122</jta-data-source>

<class>dti.admin.cp.entity.ConfigEventHeader</class>

<class>dti.admin.cp.entity.ConfigEventDetail</class>

<class>dti.admin.cp.entity.ConfigEventClob</class>

<class>dti.admin.cp.entity.ConfigEventDbLink</class>

<class>dti.admin.cp.entity.ConfigEventDetailSql</class>

<class>dti.admin.cp.entity.ConfigEventError</class>

<class>dti.admin.cp.entity.ConfigEventHistory</class>

<class>dti.admin.cp.entity.ConfigEventMode</class>

<class>dti.admin.cp.entity.ConfigEventUser</class>

<class>dti.admin.cp.entity.ConfigEventUtil</class>

<class>dti.admin.cp.entity.ConfigEventUtilXref</class>

<class>dti.admin.cp.entity.ConfigEventWarningDetail</class>

<class>dti.admin.cp.entity.ConfigEventWarningMaster</class>

<class>dti.admin.cp.entity.ConfigEventWarningSetup</class>

</persistence-unit>

</persistence>

Spring configuration:

<bean

class="org.springframework.orm.jpa.vendor.EclipseLinkJpaVendorAdapter ">

</bean>

</property>

<property name="loadTimeWeaver">

<bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver"/>

</property>

</bean>

</bean>

<tx:annotation-driven transaction-manager="transactionManager" />

If I use “loadTimeWeaver” it wouldn’t deploy and throw the following exception:

<Feb 17, 2012 12:05:34 PM EST> <Warning> <HTTP> <BEA-101162> <User defined liste

ner dti.core.webapp.OasisContextLoaderListener failed: org.springframework.beans

.factory.BeanCreationException: Error creating bean with name 'configEventHeader

Dao': Injection of persistence dependencies failed; nested exception is org.spri

ngframework.beans.factory.BeanCreationException: Error creating bean with name '

emf' defined in class path resource [dti/applicationContext-ConfigProp.xml]: Inv

ocation of init method failed; nested exception is java.lang.reflect.UndeclaredT

hrowableException.

org.springframework.beans.factory.BeanCreationException: Error creating bean wit

h name 'configEventHeaderDao': Injection of persistence dependencies failed; nes

ted exception is org.springframework.beans.factory.BeanCreationException: Error

creating bean with name 'emf' defined in class path resource [dti/applicationCon

text-ConfigProp.xml]: Invocation of init method failed; nested exception is java

.lang.reflect.UndeclaredThrowableException