Application « Exception « JPA Q&A





1. Hibernate java.lang.NoClassDefFoundError    stackoverflow.com

I am running a web application with hibernate and got stuck at this exception.

    .......at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoClassDefFoundError: Could not initialize class ...

2. DataIntegrity Exception with Multiple Web Application Containers and 1 Database    stackoverflow.com

I am getting a DataIntegrity exception thrown in the following scenario: I have two web applications both are running on the same physical server - 1 is running in Tomcat6 web container ...

3. Error running Hibernate Sample Application    coderanch.com

Hi all, even i am facing the exception ..Please help me as well..I have pasted only my hbm.xml code..If required i ll put the entire code - - -

5. I'm trying to build a JPA application , but i am getting an error NoClassFound    coderanch.com

I have set hibernate.cfg.xml in class path ie. this file is in the root folder "src" . The persistence.xml is in src/META-INF folder which is also in the class path . the jars which i have added are as follows ejb3-persistence.jar, ojdbc14.jar, ant-antlr.jar, asm.jar, asm-attrs.jar, cglib.jar, commons-collections.jar, commons-logging.jar, dom4j.jar, ehcache.jar, hibernate-anottation.jar, jta.jar, hibernate-entitymanager.jar, hibernate3.jar log4j.jar, this is my persistence.xml

6. exception with JPA application    coderanch.com

This is the code of the application: package com.sample.bean; import javax.persistence.Entity; import javax.persistence.Id; @Entity public class Employee { @Id private int id; private String name; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } } persistance.xml

7. Exception while deploying JPA Application    coderanch.com

I am trying to deploy a simple JavaEE5 application which uses JPA to persist data in the database, I am using JBoss 5 GA and MySQL ... While trying to deploy the application I am getting this exception... Can anyone tell me what is this exception is all about....??? and how to resolve this exception .....??? 15:08:21,140 INFO [TomcatDeployment] undeploy, ctxPath=/CustomerCare-war ...

8. JPA application noclassdeffound error    java-forums.org

Exception in thread "main" java.lang.NoClassDefFoundError: org.apache.commons.collections.set.MapBackedSet at org.apache.openjpa.lib.util.concurrent.ConcurrentR eferenceHashSet.(ConcurrentReferenceHashSet. java:68) at org.apache.openjpa.kernel.AbstractBrokerFactory.ne wBrokerSet(AbstractBrokerFactory.java:486) at org.apache.openjpa.kernel.AbstractBrokerFactory.(AbstractBrokerFactory.java:148) at org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.< init>(JDBCBrokerFactory.java:87) at com.ibm.ws.persistence.jdbc.kernel.WsJpaJDBCBroker Factory.(WsJpaJDBCBrokerFactory.java:77) at com.ibm.ws.persistence.jdbc.kernel.WsJpaJDBCBroker Factory.newInstance(WsJpaJDBCBrokerFactory.java:12 2) at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:48) at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:600) at org.apache.openjpa.kernel.Bootstrap.invokeFactory( Bootstrap.java:124) at org.apache.openjpa.kernel.Bootstrap.newBrokerFacto ry(Bootstrap.java:62) at org.apache.openjpa.persistence.PersistenceProvider Impl.getBrokerFactory(PersistenceProviderImpl.java :102) at org.apache.openjpa.persistence.PersistenceProvider Impl.createEntityManagerFactory(PersistenceProvide rImpl.java:81) at com.ibm.websphere.persistence.PersistenceProviderI mpl.createEntityManagerFactory(PersistenceProvider Impl.java:71) at com.ibm.websphere.persistence.PersistenceProviderI mpl.createEntityManagerFactory(PersistenceProvider Impl.java:41) at ...

9. Why an application got the Hibernate exception suddenly    forum.hibernate.org

Hibernate version: 3.3.1GA An application, which has been running well over a year, got the exception below suddenly and repeatedly since 9:03PM March 2011 (we use UTC to save timestamp in DB, UTC of our localtime 9:03PM March 2011 is 2:03AM March 2011, which is Daylight Saving Time, not sure it's related or not), and the exception trace lead to the ...





10. Error when I run application    forum.hibernate.org

11. Standalone Hibernate application- throwing MappingException.    forum.hibernate.org

Read the rules before posting! http://www.hibernate.org/ForumMailingli ... AskForHelp Using Hibernate Version 2 public class QueryApp2 { static SessionFactory sessionFactory; public static void main ( String [ ] args ) { try { Configuration config = new Configuration(); sessionFactory = config.configure().addClass(Teams.class).buildSessionFactory(); Session session = null; session = sessionFactory.openSession(); List cds = session.find("from BAM01.TEAMS"); Iterator iter = cds.iterator(); while (iter.hasNext()) { Teams cd ...

12. Error in hibernate Application......    forum.hibernate.org

I am trying simple database application using hibernate. I ve successfully created & compiled all files & DESCRIPTORS FOR IT. But during the client application it gives me error like- ========= Initial SessionFactory creation failed.java.lang.NoClassDefFoundError: org/dom4j /DocumentException Exception in thread "main" java.lang.ExceptionInInitializerError at de.gloegl.road2hibernate.HibernateUtil.(HibernateUtil.java:18 ) at de.gloegl.road2hibernate.EventManager.main(EventManager.java:11) Caused by: java.lang.NoClassDefFoundError: org/dom4j/DocumentException at de.gloegl.road2hibernate.HibernateUtil.(HibernateUtil.java:14) =================== I m using Hibernate version3.1 with HSQL ...

14. Error occured while doinng EventManager application...    forum.hibernate.org

Hello, I am doing Hibernate example Eventmanager given in Hibernate reference documentation. My Environment is : Hibernate 3,oracle 9i , IntelliJ 8.0.1 I got below error while runnaing main class, please help in this regard. If you need any information I can provide as you need to understand. ************************************************************* Mar 3, 2009 11:05:13 AM org.hibernate.cfg.Environment INFO: Hibernate 3.2.6 Mar 3, ...

15. ConcurrentModificationException when the application starts    forum.hibernate.org

We are using JPA in our web application with Hibernate 3.1 as the persistence provider. When our application starts up in the WAS cluster, the following exception is thrown in multiple nodes. But after that it works fine. What causes this error? Thanks, Seema Caused by: java.util.ConcurrentModificationException: concurrent access to HashMap attempted by Thread[ORB.thread.pool : 1,5,main] at java.util.HashMap.onExit(HashMap.java:226) at java.util.HashMap.transfer(HashMap.java:690) at ...

16. Exception while running the hibernate application.    forums.oracle.com

It seems that the problem is due to the missing hibernate.properties file. But i didnt understand that where to place that file in the hierarchy. And is it due to this only or can there be any other problem in my application? Please help me if you can. Thanks in advance!!! Bye. -- Bhagyashri.