1. Hibernate: Persist an object as a String? stackoverflow.comSuppose I have an object like |
2. Problem persisting a java.util.Date into MySql using Hibernate stackoverflow.comI've been debugging this problem for the last couple of hours with no success and figured I'd throw it out to SO and see where that goes. I'm developing a Java program ... |
3. Toplink trying to persist null object stackoverflow.comI have an object "Instance" with another object "Course" inside. When trying to persist a new Instance object, I get the following error if Course is null: |
4. Hibernate: OutOfMemoryError persisting Blob when printing log message stackoverflow.comI have a Hibernate Entity: |
5. JPA and PostqreSQL: long string persistence stackoverflow.comCan anybody tell me how to persist long text using JPA (I use PostgreSQL)? Here's the way I defined a very long string in my class: |
6. How can I remove an item from a Hashmap in Hibernate? stackoverflow.comI try to delete an item from a hash map with hibernate. Here is my config on the collection: |
7. how to use enum with jpa as a data member of persisted entity? stackoverflow.comPlease best practice and 'how to' for using enum with jpa as a data member of persisted entity. what is the best practice? I want to persist "C", "O" from enum. (codes). If ... |
8. Is there a way to prevent null values from being persisted while allowing others through? stackoverflow.comI have an existing JPA (EclipseLink) project where the desired behaviour is that if given a null value in a field for an entity, that null value should not be persisted. The ... |
9. Issue persisting long strings with Hibernate stackoverflow.comIn my web application, I have a text area whose user-filled contents are ultimately persisted to the db with Hibernate. I have been running into an issue that when the ... |
10. Enum in Hibernate, persisting as an enum stackoverflow.comIn my MySQL database, there's the column "gender enum('male','female')"
I've created my enum "com.mydomain.myapp.enums.Gender", and in my |
11. How do you persist a collection of Enums in Grails? stackoverflow.comAny ideas on how to persist a collection of enums in Grails? Groovy enum: |
12. Hibernate design: persistent data plus temporary run-time classes stackoverflow.comThe question is this. I have a number of persisted objects that I'll pull using Hibernate. But during the application lifetime I'll create a few objects that do not live outside the running ... |
13. Storing a jpa entity where only the timestamp changes results in updates rather than inserts (desired) stackoverflow.comI have a JPA entity that stores a fk id, a boolean and a timestamp: |
14. How can I resolve Hibernate 3's ConstraintViolationException when updating a Persistent Entity's CollectionOfElements? stackoverflow.comI'm trying to discover why two nearly identical class sets are behaving different from Hibernate 3's perspective. I'm fairly new to Hibernate in general and I'm hoping I'm missing something ... |
15. GlassFish 2.1.1 - TopLink (JPA1) Persistence Exception 7106 - String Encryption Mistery stackoverflow.comI'm using NetBeans 6.8 and Glassfish Enterprise Server 2.1.1 ((v2.1 Patch06)(9.1_02 Patch12)) (build b31g-fcs). I created a servlet and used Netbeans code generation features to imlement persistence using TopLink (JPA1). When I ... |
16. Persist enum with business value with hibernate annotations stackoverflow.comI have enum ClientType{INTERNAL,ADMIN}, i am able to persist enum with hibernate annotations. but inserted value is INTERNAL,ADMIN. How can i define my own vlaue. I want table to contain "I" for ... |
17. How to use java.sql.Timestamp as real java.util.Date with JPA stackoverflow.comI have a problem about the management of dates with milliseconds. I understand the need to use the TIMESTAMP to store milliseconds: |
18. Persisting time ojects as entities instead of value types? stackoverflow.comI'm using Joda Time DateTime to handle date and time. I persist objects of this kind using the class PersistentDateTime bundled in the jodatime hibernate code. I have ... |
19. How to mix persistent and transient state of a domain object? stackoverflow.comI'm looking for a pattern/method do cleanly solve the following problem : In a on-screen display application (various information is displayed on LCD screens in public places), I have Hibernate persistent POJOs, ... |
20. In Java, with JPA2, what class should I use for persisting date information? stackoverflow.comThere are three options that I see for handling dates in Java, but I may be missing some better alternatives yet.
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21. Persist raw Java Enum using Hibernate stackoverflow.comI have an entity that contains an enum property. That property can be any one of my types of Enums in my codebase: |
22. How to persist a HashMap with hibernate stackoverflow.comHello I am very new to the hibernate world and seem to have hit a roadblock. The object I need to store has a hashmap in it. |
23. My persistenceManager is null stackoverflow.comI have Interface which is defined as |
24. Update persistent object with transient object using Hibernate stackoverflow.comOn a daily basis, data is imported via a webservice.
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25. Hibernate to persist Dates as long stackoverflow.comIs there a way to tell Hibernate that java.util.Date should be persisted as long? I need this to get around the missing millisecond resolution in MySQL. Could you think of any drawbacks ... |
26. Hibernate is saving a completely new entity automatically stackoverflow.comI am using hibernate with spring's HibernateTemplate. I have the following method. |
27. JPA @WebMethod Return Column contents in Array stackoverflow.comI want to return the full contents of a column from a SQL database in a Stateless session bean as a SOAP Web Service. This is my Method: |
28. "org.apache.openjpa.persistence.PersistenceException: null" error stackoverflow.comI've been trying to make a simple class in Java run with JPA to no avail. Help? The title is the error I'm getting. I've been trying to make a simple class in ... |
29. How to set modifiedDate on an Entity when a dependent property changes stackoverflow.comAssume the JPA-Entity |
30. Getting wrong data type error when persisting long as a byte array stackoverflow.comI am creating a hibernate usertype to persist a long datatype as a byte array with additional data in the database(hsqldb). When I set the byte array in the prepared statement(.setBytes()) ... |
31. persisting timestamp type only date without time stackoverflow.comIn my database I want save only data without time. If I use Calendar or Date type I can write: |
32. Equals for persistent objects stackoverflow.comThere is well known problem with implementing equals() (and hashCode(), i will speak about equals() only) for persistance object with database managed id. New object is not stored in database, therefore does ... |
33. Does Setting A persistent Object To NULL Removes It In Hibernate stackoverflow.comConsider this example: ( |
34. Limited size of string in JPA stackoverflow.comI have a table "message" in MySQL which contains the column "content" of type VARCHAR(3000). I'm trying to execute the following query using JPA: |
35. javax.persistence.EntityNotFoundException: deleted entity passed to persist: [com.disney.zeus.client.entity.MaterialAudioChannel# |
36. Hibernate loses precision when persisting util.Date as timestamp coderanch.comI find it happening randomly and much more often than not. I have a simple Hibernate mapped object that has a util.Date as one of the properties. I set this Date whenever I create the object and then just persist it using Hibernate. The target property in the SQL Server 2000 DB is of type datetime. After the inserts, I can ... |
37. How JPA persist a boolean coderanch.comMy question is a quite simple mapping question. I have an oracle database and i'm using toplink as jpa implementation. I want to persist a pojo that contains a boolean. In fact the toplink dialect will create NUMBER column with two possible values 1 or 0. But is there a standard way to force a different representation like the @Temporal(TemporalType.DATE) or ... |
38. OutOfMemory persisting byte[] into blob forum.hibernate.orgI am trying to persist a set of object containing a byte[]. The entities are very simple and I am just looping over a fixed number of these and persist each of them. However shortly into this process I get an OutOfMemory error. It seems that the problem is with hibernate trying to keep a reference to the byte[] beyond the ... |
39. Persisting Transient Objects Representing Existing Entities forum.hibernate.orgUsing Hibernate 3 and JPA, I am attempting to merge a transient Java object with an existing entity, but I am getting a StaleObjectStateException. Imagine for example an Employee entity: Code: @Entity @Table(name = "EMPLOYEE") public class Employee { . . . @Id @Column(name = "ID") @GeneratedValue(strategy = GenerationType.SEQUENCE) ... |
40. Transitive persistence foreigen cannot be null error forum.hibernate.orgHi, I'm running into a foreign key cannot be null error trying to persist an entity using merge. The reason is that the containing entity is inserted before the referenced entity. If I remove the not null restraint from the column, everything works. But according to the manual that should not be necessary. I'm wondering if I'm doing something wrong here. ... |
41. Data Trunctation Problem Persisting MYSQL Enum forum.hibernate.orgI have a java enum that I need to persist in the database. We are using MYSQL 5.0. I have several times done this and I have a class, the well-known StringEnumUserType, which I took from the Caveat Emptor sample application, that I am using for this purpose. It's never given me trouble before, but now it's failing, with Caused by: ... |
42. Help me with run-time built JavaBean persistence forum.hibernate.orgI have to import a series of records from a file input. The schema of the data is only known during run-time. DynaBeans are dropped long time ago (https://forums.hibernate.org/viewtopic.php?t=937247), so let's say I build up a JavaBean dynamically from the data run-time. How can I persist that? Hibernate documentation's chapter 4.4 on Dynamic models only talks about Hash property collections (http://docs.jboss.org/hibernate/core/3.3/reference/en/html/persistent-classes.html#persistent-classes-dynamicmodels), ... |
43. Persisting HashMap with usertype values forum.hibernate.org |
44. Hibernate subtracting an hour when persisting Joda DateTime forum.hibernate.orgHi, I'm using a Joda DateTime as a property in a domain bean. When Hibernate is persisting the bean, the hour of the DateTime property is subtracted 1 or 2 hours, as can be seen in the Hibernate debug log: Quote: Hibernate: call identity() 2011-03-17 09:59:15,721 DEBUG [HibernateTransactionManager] Found thread-bound Session [org.hibernate.impl.SessionImpl@508be] for Hibernate transaction 2011-03-17 09:59:15,724 DEBUG [HibernateTransactionManager] Participating in ... |
45. HashMap persistence forum.hibernate.org |
46. Sample code for CLOB persistence in WLS 6.1/Oracle forum.hibernate.org |
47. Persisting transient objects. forum.hibernate.orgHello. I'm having a basic problem. Maybe this problem relies on how my application uses hibernate 2.1 with Tomcat 5.0.16. I'm developing a simple WEB application that interacts with database throw hibernate framework. So, supose the following scenario: User at page ShowUserInformation.jsp clicks on button delete, which sends the user to another JSP (say, UserDelete.jsp) page that receives use userId as ... |
48. How to persist a Null Object forum.hibernate.orgHi , I am using the Null Object pattern (http://www.refactoring.com/catalog/introduceNullObject.html) in my model. I have a superclass A , and a null object N which is a subclass of A. I have a situation where A is mapped to TABLE_A , and the discriminator column is TYPE. Because N is a null object , I would not want it to be ... |
49. persisting booleans in 2.1.2 (and 3) MySQL true=1, false=0 forum.hibernate.org12:41:58,666 INFO SettingsFactory:102 - Use scrollable result sets: true 12:41:58,676 INFO SettingsFactory:105 - Use JDBC3 getGeneratedKeys(): false 12:41:58,676 INFO SettingsFactory:108 - Optimize cache for minimal puts: false 12:41:58,676 INFO SettingsFactory:114 - echoing all SQL to stdout 12:41:58,676 INFO SettingsFactory:117 - Query language substitutions: {true=1, false=0} 12:41:58,676 INFO SettingsFactory:128 - cache provider: net.sf.ehcache.hibernate.Provider 12:41:58,696 INFO ... |
50. Use of HashMap v/s private variables in Persistent classes forum.hibernate.orgThough this is more of a design question I wanted the reccomedation. I can design persistent class in 2 ways: 1. Have private attributes similar to the Java bean convention 2. Have a HashMap and write suitable getter and setter methods that put or get from the map. The advantage that I see is as follows: 1. Development time - Would ... |
51. How to persist enums forum.hibernate.orgI'm trying to find out how to persist enums to a table. As I have seen in dirrerent tutorials those enum records are static final variables of a usertype enum class. This data is not stored in any database table. I'd like my application to be able to add more records to this class on-the-fy. Solutions presented in tutorials would require ... |
52. Persisting a collection of Strings forum.hibernate.orgI'm using XDoclet to to mark up my classes for hibernate. I'm trying to persist a java.util.Colleection of java.lang.String. The documentation suggest that primitive types are automatically persisted. However using the following code breaks and I cannot find any documentation or examples of how to do this. If I change the class="java.lang.String" to one of my other persistable classes all works ... |
53. persisting boolean problem forum.hibernate.orghi all, I'm having a problem persisting a java.lang.Boolean to a mysql database. Hibernate seems to try to perist this as either 't' or 'f' which mysql ignores. I'm using mysql 4 and hibernate 2. The mapping is as follows : Code: |
54. Can we persist into SQL3 ARRAY type? forum.hibernate.orgFor example, in Postgresql, we can create table like this (notice the ARRAY type of column "a"): CREATE TABLE tt (a int[ ], b int); Then we can insert data (including an int array) like this: INSERT INTO tt (a, b) VALUES ('{1, 2, 3}', 50); When selecting data, we can see: test=# SELECT * from tt; {1,2,3} | 50 Now ... |
55. alternative to persistent enum types forum.hibernate.org |
56. Making copy of persistent object forum.hibernate.orgHow can I make a copy of an existing data object, changing only the PK value? For example, Class A { Long id; //is PK String value; ...... } This is essentially what I want, but it obviously doesn't work because of the way Hibernate's sessions work. Hibernate identifies the object as already existing in the session cache, and doesn't like ... |
57. Persistent enum types forum.hibernate.orgI'm using Hibernate 2.1.4 and want to save Enumeration like this: Code: public class Side implements Serializable { public static final Side INTRUDER = new Side("INTRUDER"); public static final Side GUARD = new Side("GUARD"); public static final Side NEUTRAL = new Side("NEUTRAL"); private String myName; ... |
58. Persisting jdk1.5 enums today forum.hibernate.orgHibernate version:2.1 I am writing a lot of jdk1.5 enums and I am wondering how to persist these enums here on the brink of the Hibernate 3 release. I have a lot of classes similar to public enum Fruit { APPLE, ORANGE, BANANA; } And I would like to persist relationships to such enums in the database. Since a jdk1.5 enum ... |
59. Updating a persistent object (Date-Property) forum.hibernate.orgHibernate version: 2.1.6 Mapping documents: |
60. Null values for Boolean becomes false when persisted forum.hibernate.orgI have a problem with Boolean properties and null values in these. I want them to remain as null when the class is persisted. What happens now is that they get persisted as "false", which is definitly not what I intended. Anybody had this problem. I am using SQLAnywhere 6.4 as database and the Boolean is mapped to tinyint, which supports ... |
61. persisting null instad of actual object value forum.hibernate.orgAuthor Message jhudson8 Post subject: persisting null instad of actual object value Posted: Sat Oct 02, 2004 2:44 am Beginner Joined: Mon May 24, 2004 7:39 pm Posts: 37 Location: Charlotte Hello, I have a table with a required field (submitter_name) and I am trying to save an object which has that property populated. I receive an error because ... |
62. Using persistent Typesafe Enum in many-to-many rel forum.hibernate.orgDetails below. I'm trying to use a persistent enum (cf: http://hibernate.org/203.html ) as part of a many-to-many relation. Please review my configuration mapping below. My assumption (correct me if I'm wrong) is that if i declare a class-entry for a PersistentEnum, then there will be a round-trip to the database to query it. I'd like to avoid that. The scenario I ... |
63. Update of a persistent object with a transient object forum.hibernate.orgDear Hibernate community members, I am new to the hibernate community and I have an important question. I want to update a persistent object with a transient object. I have saved in a DB with hyperjaxb and hibernate from Xml file an object A1 with its attributs a1, a2; other attributes a3, a4 and link to object B1 are not filled. ... |
64. Large Strings truncated on persist w/ MySQL forum.hibernate.orgHow large can a String be when persisting? I have it mapped as |
65. Persisting a hashmap, basic problem forum.hibernate.orgNewbie Joined: Wed Apr 06, 2005 3:42 am Posts: 5 Location: Berlin Hello, as a hibernate-newbie (using hibernate 3.0 final), I'm having major problems storing a HashMap in the database. After searching the forums, and finding multiple posts related to HashMaps, I figured that I can solve this myself, but after browsing the documentatin, the forum, the wiki, and the faq's ... |
66. Persist transient instances question forum.hibernate.orghi folks, i'm a beginner with hibernate and i've got the following problem/question on persisting transient object references: part of my model consists of a simple many-to-many relationship between two Classes User and Group. As far as i understand hibernate the following functionality should be supported: ... User u = new User(....); Group g = new Group (...); u.addGroup(g); // I'm ... |
67. To copy persistent object from a database to the other. forum.hibernate.orgHi, Does anyone have good idea to copy persistent object between two databases? My scenario is: 1) Retrieve object from databse A by such as session.load() or query. 2) Serialize persistent object into byte stream by ObjectOutputStream. 3) Send chunk of bytes to another machine thru network. 4) Deserialize it by ObjectInputStream into persistent object. 5) Save persistent object to database ... |
68. Persistent enum with referenced by multiple columns forum.hibernate.orgHi, I had problems with persistent enums mapped to multiple columns and I'd appreciate some help. Let me explain the context of the problem. I have to access data from a legacy db, so I cannot change the schema. It has a table for enumerations, with ID, TYPE (type of the enum, i.e. the discriminator), ITEM (the value) and DESCRIPTION. All ... |
69. Persisting string array String[] forum.hibernate.orgHi, Quite a ridiculously simple question I am sure, I'm quite ashamed but I cannot find this in all 3 of my Hibernate books or google or these forums. How do I go about mapping the persistence of a string array; String[]? I know it looks like a List |
70. problem by cascading save/persist of transient objects forum.hibernate.orgHallo, i'm new using hibernate 3.0.5 and i'm having a problem with it. i want to be sure i did understand everything well: I have an association like this [Object A]1--------->*[Object B]1--------->*[Object C] B has a foreign-key to A's primary-key, C has a foreign-key B's primary-key. all primary-keys are generated now i've created an instance of A, added at least one ... |
71. |
72. Going crazy trying to persist enums... forum.hibernate.orgThe reason that a column mapping isn't needed is because the value of column has a default: the value of name. You'll need to post classes and exceptions if we're going to help debug this for you. The code on 272.html does work, or at least it did when I copied it. |
73. Hibernate XML persistence - how to store date through xml forum.hibernate.orgHi, I am trying to store date through xml using hibernate xml persistence. But i am getting following error - org.hibernate.HibernateException: could not parse XML at org.hibernate.type.DateType.fromStringValue(DateType.java:95) at org.hibernate.type.NullableType.fromXMLString(NullableType.java:102) at org.hibernate.type.NullableType.fromXMLNode(NullableType.java:126) at org.hibernate.property.Dom4jAccessor$ElementGetter.get(Dom4jAccessor.java:192) at org.hibernate.tuple.AbstractTuplizer.getPropertyValues(AbstractTuplizer.java:174) at org.hibernate.persister.entity.BasicEntityPersister.getPropertyValues(BasicEntityPersister.java:2929) at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:84) at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:190) at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:70) at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26) at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:730) at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:329) at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:86) at updatedb.DBUploder.uploadDB(DBUploder.java:77) at updatedb.DBUploder.main(DBUploder.java:219) Caused by: java.text.ParseException: Unparseable date: "20 ... |
74. Effect of cascade="save" on transient/persistent forum.hibernate.org |
75. Transient->Persistent via Session.save(): id not availabl forum.hibernate.org |
76. make persistent objects transient without closing the sessio forum.hibernate.orgMy problem is, that I don't want the feature automatic update of changed objects. So I have to make the loaded objects transient. But I also don't want to close the session because it's creation costs too much performance. So is there a way to separate the objects from the session without closing it or to disable the automatic update for ... |
77. Persisted Strings in Hibernate forum.hibernate.orgThis relates to my previous post. Are the strings automatically escaped when persisted? I'm using Postgres dialect and my strings aren't being escaped and are throwing an illegal SQL exception when characters like single quotes are used. The literals themselves aren't being surrounded by quotes - is this normal in hibernate or the postgres dialect? Is there a setting I'm missing? ... |
78. how to persist serializabe to BLOB? forum.hibernate.orgI want store a list of values into a single column as serializable object. Hibernate maps serializable to RAW in Oracle. The problems are: 1. RAW has fixed size which may consume a lot of meory if objects are small 2. RAW can store upto 2000 bytes which can not host any reasonable list of objects. If I could map serializable ... |
79. Persisting a HashMap |
80. HashMap is not getting persisted forum.hibernate.orgNeed help with Hibernate? Read this first: http://www.hibernate.org/ForumMailingli ... AskForHelp Hi friends, I want to persist a Region Object. Region Object contains a Map also. When I do the session.save(region), the data is only gets inserted for region table not for the map table. The mapping file is below. Can anyone help me on the same. Hibernate version:3.0 Mapping documents: |
81. Xml persistence not-null empty string problem forum.hibernate.orgHi, I've a problem loading an object via dom4jSession with a not-null string property when the string is empty (NOTE: I have an empty string: "", not a string variable with a null value). Hibernate throws org.hibernate.PropertyValueException: not-null property references a null or transient value: hemptystring.StringContainer.string when you load the object via dom4jSession. I've set up a simple example. Here it ... |
82. Getting problem while persisting BLOB datatype forum.hibernate.org |
83. Hibernate treats Transient object as persisted object? forum.hibernate.orgHello All, I have a problem. I have a Customer with a Bank_Address that inherites from Address Class. When I create a new customer and new bank_address transient objects. Code: Customer customer = new Customer("2", ...); customer.setBank_Address(new Bank_Address(...)); and ... |
84. Using HashMap for persistence forum.hibernate.org |
85. Persisting a collection of enums using hibernate forum.hibernate.orgHello there, I have the requirement to persist a collection of enums using hibernate. There seems to be a raft of information on how to persist a single enum by declaring a user type and then associating genericised enums to the user type. This, I believe, is possible as the |
86. Persisting a collection of enum using annotations forum.hibernate.orgHibernate version: hibernate: 3.2.3.ga hibernate-annotations: 3.2.1.ga Mapping documents: None I have an entity [User] which has a property [Subspecialty]. Subspecialty is a simple java.lang.Enum This I can persist without issue. The problem is that I need a Collection of Subspecialty. Code: @ManyToMany(cascade = {CascadeType.PERSIST, CascadeType.MERGE}) public Collection |
87. Persisting a String property separately in a lookup table forum.hibernate.orgNewbie Joined: Tue Jul 29, 2008 5:20 pm Posts: 3 Hi everyone! I am new to Hibernate and I usually try solving things on my own. I have been searching all of Hibernate's documentation, Google, the forums, etc. I haven't been able to find a solution to my problem, even if I found out things that were close, but not close ... |
88. Persisting new object saves with null id [Solved] forum.hibernate.orgI have been very reluctant to post but this issue is bugging me and I am unable to find anyone who has encountered similar symptoms. I don't think this is a failure of understanding of how hibernate works, but I'll start with what I think is supposed to happen. I am simply trying to do an insert into a stripped down ... |
89. UserType for persisting an Enum with a ENUM column forum.hibernate.org |
90. CollectionOfElements not persisting forum.hibernate.orgI am trying to use the @CollectionOfElements annotation to save a set of value types along with my entity. Unfortunately, the entity is persisting but the value types are not. Can someone help me figure this out? My entity class Account is shown below: Code: @Entity public class Account implements Serializable { ... ... |
91. persisting a set of enums forum.hibernate.orgHi there, I'm trying to persist a Set of enums using JPA annotations only. Unfortunately I either get an error about the enum class not being mapped (if I annotate the set with @ManyToMany) or about Hibernate not being able to determine a type for java.util.Set (if I omit the @ManyToMany annotation). I have the feeling that Hibernate (at least 3.3.1.GA) ... |
92. Can an Entity be Transient or not persisted forum.hibernate.org@Entity public final class AsapSession { @Id private Integer id; @OrderBy(clause = "position") @OneToMany(cascade = CascadeType.REMOVE, fetch = FetchType.EAGER) @Cascade({org.hibernate.annotations.CascadeType.SAVE_UPDATE, org.hibernate.annotations.CascadeType.DELETE_ORPHAN}) @JoinColumn(name = "sessionId", nullable = false) private List |
93. Hibernate Enum persistence with GenericEnumUserType forums.oracle.com |