1. When I try to save object using hibernate in belogic this exception appear stackoverflow.com |
2. Reason for stack overflow exception while trying to read hibernate managed objects coderanch.comHello All, I'm writing some sample codes in hibernate to understand the association and just started with One-One mapping. I ran into an issue where it says Hibernate: select student0_.STUDENT_ID as STUDENT1_1_0_, student0_.STUDENT_NAME as STUDENT2_1_0_, student0_.STUDENT_ADDRESS as STUDENT3_1_0_ from STUDENT student0_ where student0_.STUDENT_ID=? Exception in thread "main" java.lang.StackOverflowError at javassist.util.proxy.RuntimeSupport.find2Methods(RuntimeSupport.java:53) at com.hibertut.beans.Student_$$_javassist_1.toString(Student_$$_javassist_1.java) at java.lang.String.valueOf(String.java:2826) at java.lang.StringBuilder.append(StringBuilder.java:115) at com.hibertut.beans.Address.toString(Address.java:73) at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source) ... |
3. OptimisticLockException on an object that hadn't changed? forum.hibernate.orgI recently had a very annoying error - it appears that I got an OptimisticLockException on an object that hadn't changed. Could not synchronize database state with session org.hibernate.StaleObjectStateException: Row was updated or deleted by another transaction (or unsaved-value mapping was incorrect): [books.db.Business#64491] books.db.Business#64491 is an entity related to the operation being performed but none of its fields are being changed, ... |
4. "databasename.tablename" causing error Invalid Object Name forum.hibernate.orgBeginner Joined: Sun Dec 28, 2008 6:01 pm Posts: 24 Hi Folks, I am stuck with this problem for over 2 days now and cannot figure out the cause. It seems everything is setup fine, but still have this Invalid object name 'database.ACCOUNT'. It should be 'database.dbo.ACCOUNT' or it should be just be 'Account'. To eliminate the db setup problem, I ... |
5. PersistentObjectException even for unmodified object forum.hibernate.orgGreetings, I have a many-to-one relationship, which when I attempt saving, generates "PersistentObjectException: detached entity passed to persist", even when unmodified. The Cluster object contains the list of Component objects. Initially, I was adding components to the list and was getting PersistentObjectException, so I attempted to save the retrieved object without altering and I'm still getting the exception. Cluster cluster = ... |
6. TransientObjectException: object references an unsaved trans forum.hibernate.org |
7. Exception writing persisted object with XMLEncoder forum.hibernate.orgNewbie Joined: Wed Aug 27, 2003 2:23 am Posts: 5 Location: Lahore, Pakistan I loaded a hibernate persisted object using session.load(id) and Hibernate.initialize the collections contained with the object. When I attempted to write out the object graph using java.bean.XMLEncoder, I ended up with the following exception: Code: java.lang.IllegalArgumentException: object is not an instance of declaring class java.lang.Exception: discarding statement XMLEncoder0.writeObject(Quotation$$EnhancerByCGLIB$$bc2ff890); ... |
8. saving object / Exception forum.hibernate.org |
9. Exception when trying to save object with one-to-many relati forum.hibernate.orgI have 2 classes: Code: |
10. net.sf.hibernate.TransientObjectException: object references forum.hibernate.orgNewbie Joined: Thu Apr 29, 2004 3:31 pm Posts: 3 Hi, I am getting the following exception when using composite id net.sf.hibernate.TransientObjectException: object references an unsaved transient instance - save the transient instance before flushing: com.abc.model.MyTable2 at net.sf.hibernate.impl.SessionImpl.throwTransientObjectException(SessionImpl.java:2652) at net.sf.hibernate.impl.SessionImpl.getEntityIdentifierIfNotUnsaved(SessionImpl.java:2644) at net.sf.hibernate.type.EntityType.getIdentifier(EntityType.java:66) at net.sf.hibernate.type.ManyToOneType.nullSafeSet(ManyToOneType.java:46) at net.sf.hibernate.type.ComponentType.nullSafeSet(ComponentType.java:154) at net.sf.hibernate.loader.Loader.bindPositionalParameters(Loader.java:673) at net.sf.hibernate.loader.Loader.prepareQueryStatement(Loader.java:712) at net.sf.hibernate.loader.Loader.doQuery(Loader.java:184) at net.sf.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:132) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:830) at net.sf.hibernate.loader.Loader.loadEntity(Loader.java:850) at net.sf.hibernate.loader.EntityLoader.load(EntityLoader.java:57) at ... |
11. Saving two new objects is causing exception forum.hibernate.orgI have simple program, There are two objects P and F with P having a reference to F. The reference has not-null set to true and cascade to nothing. I create two objects outside of Hibernate session and then call save on P first and then F. This causes the not-null property references a null or transient value: P.F. The stack ... |
12. Corrupted Object via N-1 Navigation involving subtypes forum.hibernate.orgHibernate supports a nice feature called polymorphic query. Say we have a table BAR with a discriminator column of two values {1,2} signifying the mutually exclusive subtypes of Bar1 and Bar2. The Java classes: public abstract class Bar { private long barId; public long getBarId() { return barId; } public void setBarId(long barId) { this.barId = barId; } .... } public ... |
13. Corrupted Object via N-1 Navigation involving Subtypes forum.hibernate.orgI refer to Hibernate 3.0.5. Say we have a table BAR with a discriminator column of two values {1,2} signifying the mutually exclusive subtypes of Bar1 and Bar2. The Java classes: public abstract class Bar { private long barId; public long getBarId() { return barId; } public void setBarId(long barId) { this.barId = barId; } .... } public class Bar1 extends ... |
14. Corrupted Object via N-1 Navigation involving Subtypes forum.hibernate.orgpublic abstract class Bar { private long barId; public long getBarId() { return barId; } public void setBarId(long barId) { this.barId = barId; } .... ... |
15. Corrupted Object via N-1 Navigation involving Subtypes forum.hibernate.orgpublic abstract class Bar { private long barId; public long getBarId() { return barId; } public void setBarId(long barId) { this.barId = barId; } .... ... |
16. Corrupted Object via N-1 Navigation involving Subtypes forum.hibernate.org |
17. WrongClassException and aspect/profil object design forum.hibernate.orgHibernate version: Hibernate 3.0 Name and version of the database you are using: Postgre SQL 8.0 Hi all, I have some difficulties to design a object structure with hibernate. I looked for s solution of my pb in the forum but i didn't find it, so I decid to My problem is : I have: a User class a Doctor class ... |
18. session.save(object) doesn't save nor throws exception forum.hibernate.orgBeginner Joined: Thu Aug 04, 2005 2:24 pm Posts: 45 More precisely, here's the entire content of the java file: Code: // XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.0.1/xslt/JavaClass.xsl package mypackage.struts; import mypackage.Component; import mypackage.Hibernate.HibernateSessionFactory; import org.apache.struts.action.Action; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionMapping; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionError; import org.apache.struts.action.ActionErrors; import java.io.IOException; import javax.servlet.ServletException; import org.hibernate.Session; /** * MyEclipse Struts * Creation date: ... |
19. strange behavior when saving objects, no exception thrown forum.hibernate.org |
20. Non Unique Object Exception forum.hibernate.org |
21. TypeMismatchException on object comparison forum.hibernate.orgHibernate version: 3.2.0GA Let's suppose to have two entities, A and B. A has an id and a one-to-one constrained relationship to B (PK relationship) called "bRel". B has only an id. The following HQL query: from A a, B b where a.bRel = b works perfectly in Hibernate 3.1.x, but fails on 3.2 with: org.hibernate.TypeMismatchException: left and right hand sides ... |
22. Exception on session.get() on non-existent object forum.hibernate.orgHibernate version: 3.2.1 GA (same for hibernate-annotations) Mapping documents: Parent.java (omitting package and some import declarations) Code: import javax.persistence.*; @Entity public class Parent { public Integer id; public Set |
23. the famous ERROR "object references an unsaved transien forum.hibernate.orgHi, I have the famous ERROR "object references an unsaved transient instance - save the transient instance before flushing" in a bidirectional ManyToOne-association, where I just call EntityManager.merge() on the One-side. Yes, and I know, I have a) to have to mark both sides with cascade=CascadeType.MERGE and b) I have to declare on the MANY-side "mappedBy=...". So, I really did this. ... |
24. Obtaining Configuration object throws exception forum.hibernate.org |