1. Again with JPA not making sense stackoverflow.comI asked this earlier and was told to look at mapped by. I have 2 tables: A s_id(key) name cli typeSo ... |
2. Best practice to realize a long-term history-mode for a O/RM system(Hibernate)? stackoverflow.comI have mapped several java classes like Customer, Assessment, Rating, ... to a database with Hibernate. Now i am thinking about a history-mode for all changes to the persistent data. The ... |
3. Strategies to avoid Hibernate LazyInitializationExceptions stackoverflow.comAre there any other ways to avoid LazyInitializationExceptions in a Hibernate web application besides using the OpenSessionInView pattern? Are there any downsides to using OpenSessionInView? |
4. hibernate multiple databases stackoverflow.comWhat is the best way to support multiple databases using hibernate? I see the following article... https://www.hibernate.org/429.html It seems Shards is a possible solution, though the con mentioned is that it's not ... |
5. Getting my webapp to be database agnostic with Hibernate stackoverflow.comSo the ultimate in scope-creep came in the other day: since we're using Hibernate, could we make our webapp run on Oracle as well as MySQL, interchangably? I thought this would be ... |
6. Hibernate - How to store java.net.URL into a database through Hibernate stackoverflow.comI have a field |
7. Partioning with Hibernate stackoverflow.comWe have a requirement to delete data in the range of 200K from database everyday. Our application is Java/JEE based using Oracle DB and Hibernate ORM tool. We explored various options like
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8. JPA and compatibility with persistance providers and databases vendors stackoverflow.comJPA promises to be vendor neutral for persistence and database. But I already know than some persistence frameworks like hibernate are not perfect (character encoding, null comparison) and you need to ... |
9. What are the main points of hibernate? stackoverflow.comWhat are the main features of hibernate one must know? I guess people misunderstood my question. Here are the features I know :
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10. How to know underlying database name from hibernate provider stackoverflow.comI am using hibernate 3.x with Jboss. Currently we support multiple databases. Now in runtime, how can I know the underlying database information ? at least name or database-dialect? (e.g. MySQL, Derby, Oracle, ... |
11. running "virtual" database in Java code with Hibernate stackoverflow.comI used to run my Java code with Hibernate to mysql. Some logical changes led me to decide that I don't need to save the data in the database, but in java ... |
12. Make JPA aware of database changes stackoverflow.comI have two Entities, Transaction and Entry. Transaction has some own data and a list of one or several Entries which consists of a debit and a credit amount. In one ... |
13. Best way to do database access in a Java desktop application stackoverflow.comI've been working in Glassfish 3, JPA and Java EE 6. In a web container you can just inject the Entity Manager into an EJB and let that handle your ... |
14. How do I configure Hibernate to fail startup if database is down? stackoverflow.comI'm using hibernate+spring (but I had the same problem with hibernate alone). When the app starts up, hibernate says it is building a session factory. The fact is that even if ... |
15. JPA newbie cant interact with database stackoverflow.comI started ussing JPA not long ago and i think it is great because of its anotations that make programming so simple. But i still have a lot few doubts that ... |
16. How much does the database's maturity matter when using Hibernate stackoverflow.comI would like to know how much does the database matters when using Hibernate framework. There is a huge difference in standalone databases when comparing for example Oracle and MySql, but ... |
17. Java: Building webapp UI for sample database application stackoverflow.comAt university, we were given task to use ADO.NET or LINQ to SQL and build UI to show capatbilities of Microsoft tools for databases (look into Northwind, do some selecting, inserting ... |
18. Hibernate and resource utilization stackoverflow.comI was having a discussion at our office whether to use Hibernate or not. Currently our code uses pure jdbc and sql statements in order to get the data we need. ... |
19. Perform some common stuff when commiting into database stackoverflow.comI am using hibernate as ORM tool, i want to perform some common stuff for all the entities that i flush into the database. Currently , whenever i save object into database, ... |
20. Changing databases for a Java/Hibernate webapp stackoverflow.comI recently moved a Java webapp (using hibernate) from a CentOS 5.5 to AWS Elastic Beanstalk / RDS. At some point, it started generating exceptions: |
21. Hibernate: Start from Java code the DB layout stackoverflow.comAssume the following trivial class: |
22. Multi Tenant Application With Separate Database Per Tenant - Any JAVA ORM Framework stackoverflow.comWe are designing a multi tenant application in java and the requirement is to create separate database for each tenant. With hibernate i didnot find any way to handle this , ... |
23. Two Database in Hibernate stackoverflow.comI have two jar file and each jar file use of a Database With Hibernate. |
24. In hibernate 3.6.8, what do I use instead of nullSafeSet and nullSafeGet since the docs say they are deprecated stackoverflow.comI was creating a custom user type a few minutes ago, when I looked at the javadocs and saw that |
25. Configuring Multiple Databases in hibernate. coderanch.comHi All, Need your help. My application connects to two databases. I am using hibernate for this. I have connected successfully to one database in hibernate.cfg.xml file. I have tried querying the tables and all is working fine. But I dont know how to configure for another database....How do I configure the other database in this xml itself? Or A separate ... |
26. Agile database development and Hibernate coderanch.com |
27. Change database directly ,why hibernate not change coderanch.comOh right you are talking about data and not metadata. Well it depends how you get your data in code. If you change data via Toad (or some other app) then have a piece of code which opens a new Session and calls a get method then Hibernate will query the DB for the data. That is unless you are using ... |
28. hibernate and database coderanch.comhi, I have designed an interface using SWT in eclipse which has to pick up details from client table and user can enter the amount paid and save it back to database. For designing the database and using hibernate do i need to use UML omondo first and then map the class using hibernate. What is the right process. Is hibernate ... |
29. Strange DB behavior w/hibernate coderanch.comI'm using hibernate with a MySQL DB. I have three classes and three tables. I have written a test to test save and get of one of the classes, the Person class. Here is the code for the test. public void testSavePerson() { try { DBManager.getInstance().save(person1); } catch (HibernateException e) { fail(); e.printStackTrace(); } List results = null; try { results ... |
30. Hibernate without a database coderanch.comYour best bet is to use mock objects like jMock and EasyMock. Both are fairly equivalent, though I prefered jMock's API when evaluating them six months ago. Where you mock depends on what you're testing. Assuming you are using the DAO pattern, you can test your business logic by mocking your DAOs and you can test your DAOs by mocking Hibernate. ... |
31. Is Hibernate is DB dependent or Independent? coderanch.comwith the caveat that you don't implement any database specific stuff in your data access code, such as vendor-specific SQL, using the database to generate primary keys, calls to Stored Procedures etc. Yes, that is true, but don't think of it harshly. You can still use all these to boost your perfomance to your situation, and you can have all these ... |
32. Hibernate - Database IP changes daily coderanch.comHi I'm currently in the situation where I am writing an app for a client whose current database changes IP daily. Basically, they have 2 databases of identical structure but all their data is obtained from an import provided by another company (due to security restrictions they can't access the source database). In order to prevent the situation of having no ... |
33. Is it possible/easy to use Hibernate with existing database? coderanch.comI am just learning Hibernate; it looks like a valuable ORM and, especially considering the new version 3.0, fairly easy to use. I am considering suggesting that my team use it for a project I am on. In this project, however, the database structure already exists and has been in use for awhile. So that being said, is it possible to ... |
34. Configuring multiple database in JPA? coderanch.com |
35. Hibernate: Creating new database using hibernate coderanch.comHi, I am currently developing a admin console for my project. For that I am required to create databases and tables in that databases. I am using JavaServerFaces with Hibernate to achieve the task. My problem is that I can't find a way to create databases using hibernate. As I have read, I can certainly create tables in the (already created) ... |
36. Hibernate to deal with many databases ??? coderanch.com |
37. Hibernate init DB coderanch.com |
38. [Hibernate] Hit the database at a specific moment coderanch.comHi everyone, at a specific moment in my application I want to commit the transaction, that's the only moment I want to do that. For example: //Business Logic! public void methodOne() { doSomething(); //#1 doOtherThing(); //#2 } In #1 I have to hit the database, I could make a method in my DAO to commit the transaction but I think this ... |
39. Accessing two databases through hibernate. coderanch.comYour application will end up having to SessionFactory objects, one for each database your are connecting to. When you create a SessionFactory, it will look for hibernate.cfg.xml by default, but you can tell it to look for a specific config file, such as hibernate_01.cfg.xml and hibernate_02.cfg.xml. Be careful, though. You're object model will not be able to use Hibernate to map ... |
40. Using Hibernate with existing database coderanch.comOkay, I've used Hibernate before, but those were all done with Hibernate creating my database. Now I have a database and I want to connect to it with Hibernate. AFAIK, Hibernate can do this, but I'm not sure what I need to do in order to have it generate all of my pojo's, etc. Can anyone point me to a good ... |
41. Accessing multiple databases with JPA coderanch.com |
42. Configuring Hibernate with two databases coderanch.comI am developing one Swing application where I need to integrate hibernate. The application has to connect to two databases. Since I am a novice in hibernate, I googled and came to know 2 configuration files are required to accomplish this. As per that I have two sets of: 1. hibernate.cfg.xml and 2. hibernate.properties I created one HibernateUtil class also. But ... |
43. Multiple DataBase access in Hibernate. coderanch.comYou need to have a SessionFactory for each database, and create a Session from each one, you cannot have one Session or one SessionFactory point to multiple databases. Just like you cannot have a single JDBC Connection point to multiple databases. Basically a SessionFactory uses one Connection Pool, that holds One Connection in One Session, that type of Connection is a ... |
44. Hibernate with Custom Database coderanch.comHow would one use hibernate with a custom unknown database? I want to make my own database just for the fun of doing it. It may just write information to a file or something at first but I would like it to appear as a relational database. As I improve the implementation I don't want to change my business logic for ... |
45. Store empty sting in db using JPA coderanch.com |
46. JPA and alternative databases (i.e. NoSQL) coderanch.comWith Grails + GORM, there are some interesting plugins and work being done to connect Grails/GORM to NoSQL databases. Do you see anything like this happening in the future w/ JPA? I know so many of the NoSQL DBs are different and each have their own way of doing things, but it seems like at some point more and more people ... |
47. Java desktop database app with JPA and Hibernate coderanch.comHello, My name is Marcel from the Netherlands and I am new to this forum. I am already familiar with C++ and now I want to learn Java, I already have code a couple of programs and read a couple of books about Java. And now I am working on a bigger application which I will use as a practice for ... |
48. Database partioning with Hibernate coderanch.comHello, We have a requirement to delete data in the range of 200K from database everyday. Our application is Java/JEE based using Oracle DB and Hibernate ORM tool. We explored various options like 1. Hibernate batch processing 2. Stored procedure 3. Database partitioning Our DBA suggests database partitioning is the best way to go, so we can easily recreate and drop ... |
49. [Solved]Hibernate and unknown databases coderanch.comNo, the mapping needs to exist.You can use Hibernate tools to generate mappings files or aonnotated classes from a database but this isn't really something you could do at runtime. You don't however need to use Hibernate or native SQL to get information about a table. you can get that from godd old fashioned JDBC. |
50. Hibernate Commnication between two database coderanch.com |
51. Is Hibernate database independent? coderanch.comI have a general question regarding the dependencies of written code to a database. Is Hibernate really database independent or do you have to change the code if switch from one database to another? I know that one have to change the dialect and maybe the driver, but apart from that, are there any problematic areas in which hibernate fails to ... |
52. DB Driver used by Hibernate. coderanch.com |
53. still got problems with linking my db to hibernate zkoss.orgHi Stephan, First, you're right: I want to map a class as a resource. That failed! But the resource vorlesungen.hbm.xml has not been found by tomcat, yet. Here is my listing: Data structure + src + org + meinstudibuch - Vorlesungen.java - VorlesungenFacade.java - Vorlesungen.hbm.xml - hibernate.cfg.xml What is the correct content of my hibernate.cfg.xml file for the resources? I tried ... |
54. know database changes forum.hibernate.org |
55. Fill up the Database forum.hibernate.orgDear all, sorry im new to hibernate but i have a big problem. i'm working on an analysis tool which analyse sourcecode. The programm build a complete analysis and then the analysis is writen in the database. actually the analysis works fine for small projects. but if we have a huge projekt the analysis takse ca.4:30 hours. after a codeinspection i ... |
56. Hibernate for Netezza Database forum.hibernate.orgHi, We are trying to use hibernate with Netezza database.We have used the PostgreSQLDialect and jar in classpath which provides 'org.netezza.Driver' But still we are not able to connect to Netezaa through Hibernate.is there any alternate way for Netezza with Hibernate? The error trace says: java.lang.ExceptionInInitializerError org.hibernate.impl.SessionFactoryImpl.openSession(SessionFactoryImpl.java:473) org.hibernate.impl.SessionFactoryImpl.openSession(SessionFactoryImpl.java:497) org.hibernate.impl.SessionFactoryImpl.openSession(SessionFactoryImpl.java:505) ================================================ Configurations: |
57. How to configure for "maybe" db access forum.hibernate.orgI'm a relative Hibernate noob. I've been searching for a couple of days for the answer to this, but I have yet to find one that meets my needs. I've got an application that might write to a database when it is run. We are using spring to do our configuration. Right now, the application is configured to use a C3P0 ... |
58. Database Writes Do Not Happen forum.hibernate.orgHello all. I have upgraded a Struts 2.0.11 project to 2.1.8, and I have some strange behavior. The Struts stuff seems to work fine, and the Ajax stuff works fine as well. The Hibernate stuff works as far as reading data is concerned. But when I try to write a record, nothing happens on the database and I get no exception ... |
59. DML Operations dont work on database forum.hibernate.orgI am working on Alfresco CMS and having problems with performing DML operations on Alfresco database .I cant perform Insert and Delete from Java code. I suppose the Schema Updates are not allowed or locked somehow. But how to configure the datasource or whatever to enable DML operations to work successfully? Thanks |
60. Where is the database used in the Hibernate in Action? forum.hibernate.org |
61. Hibernate Overwrites Changes to the Database forum.hibernate.orgHi, I have a simple Hibernate Query (with a simple equals-citeria). Between two queries, I update the database with another tool. Problem is, that hibernate reads the new data, but instantely updates the database to have the old values (before the outside-of-hibernate-update). How can I tell hibernate to use the latest data from the DB and to not update the DB ... |
62. Create Database forum.hibernate.org |
63. What is the quickest way to detect Database Disconnection? forum.hibernate.orgcatch (Exception e) { if (e instanceof org.hibernate.exception.GenericJDBCException && e.getMessage().startsWith("Cannot open connection")) // handle database disconnection else throw e; } |
64. Multiple databases with slight inconsistencies. forum.hibernate.orgThe company where I work follows a model where we have a separate database for every client. That as far as I know, can be handled by AbstractRoutingDataSource (Spring Framework). The problem is that even though most databases are identical, some clients require adding custom fields that makes their DB to fall out of sync. Is there a way to map ... |
65. multi database access forum.hibernate.orgHi, I am designing a "multi tenant" web application which uses Hibernate to access to a high number of MySQL databases (or catalog : managed by a single database server) (> 500 identical databases for a single web application). I plan to use a single data source, in order to avoid saturating the db server with connections and to switch database ... |
66. Hibernate Database Certification forum.hibernate.org |
67. Multiple databases synchronized forum.hibernate.org |
68. Hibernate performs unexpected request to database forum.hibernate.orgHello I have simple code to read "Trans" for given Id from db: Code: Integer trintn = new Integer(31402021); session.get(Trans.class, trintn); output I get is: Hibernate: select trans0_.trintn as ... from Trans trans0_ where trans0_.trintn=? Hibernate: select invoice0_.invtintn as ... from Invoice invoice0_ where invoice0_.invtintn=? and invoice0_.inext=? Why hibernate ... |
69. Get status of Hibernate and Database forum.hibernate.orgOur automation test uses Hibernate 2 and Java to persist test results into our Oracle 9i DB. We recently discovered several cases where the persistence of data hang. We have no clue as to what might cause this problem. I was wondering if there is any way in Hibernate we can check the status of database connections, like how many connections ... |
70. Envers problem - can not create database forum.hibernate.orgNewbie Joined: Tue Jun 01, 2010 10:18 am Posts: 15 Hello! I am using Hibernate in my J2EE project with Eclipse. I have a Hibernate config file with this content and I can create the database tables. All is fine. Code: |
71. Hibernate and Database Application forum.hibernate.orgHello everybody, I want to know that can I use hibernate with my website , which uses database. My website contains registering, login etc. of user. I don't want to lose any data of user. Also there may be complex queries using joins, sub query etc. I am confused that, whether hibernate is meant for data persistence only or it can ... |
72. Maintain linked list in database forum.hibernate.orgOkay I'll try to describe this as simply as I can... I have an object/table called topic there can be thousands of topics grouped together which need to be retrieved from mysql in batches of 20. I need to be able to dynamically change the order of the topics eg. take a topic positioned 300th, make it second and presist this ... |
73. Not reflected in DB forum.hibernate.orgHi all , when configuring hibernate in that time all the mappings are taken into sessionfactory but not reflected into database schema . In log it is not showing any exception from mapping but it is not being reflected into mysql database schema . Only one INFO is coming , seems not correct is "8874 [main] INFO org.hibernate.impl.SessionFactoryObjectFactory - Not binding ... |
74. Hibernate conflict with db upgrade forum.hibernate.org |
75. SeqHILO spamming database forum.hibernate.orgNewbie Joined: Mon Jul 12, 2010 7:06 am Posts: 6 Hi, I hope, that I have understood seqhilo algorithm correctly. But as far as I know hibernate should query one high, than use max_low generated identifiers and than query the new high. But in my project, the seqhilo is spamming DB for every edentifier (as if i have used classic sequence), ... |
76. using hibernate with Msaccess database forum.hibernate.orgHi, I am new to hibernate technology.I am trying to use Ms-access database with hibernate.For that i created a new MSAccessDialect class by extending Dialect but iam getting a error message saying MSAccessDialect is not found when i run the code. I dont know where to keep this class.I created a package org.hibernate.dialect in my project and put the MSAccessDialect class ... |
77. Strange issue while using Hibernate with database partitions forum.hibernate.orgHi, I am using Hibernate with Spring and have come across this strange problem. There is a table A which was not partitioned before. However to optimize certain queries, it was partitioned on one of the columns. With this change, other queries which do not use the partitioning on the view over the table seem to become slow... The strange part ... |
78. observe DB changes through Hibernate forum.hibernate.org |
79. Supported hibernate databases forum.hibernate.org |
80. Multiple Hibernate on the same database ? forum.hibernate.orgHi, I am developing a web app using grail. Grail is using Hibernate for the data persistence. Now the all app and database are running on the single server. We are trying the scale up the app by having two app server and one database server. So there will be two hibernate based app to operate on the single database. Since ... |
81. Same code base deployed to different databases forum.hibernate.orgAll, We wish to target two different deployment strategies. The first will be from a single webserver to a single oracle database server. For this we have used the following attributes in the common base class for our entities, which uses hibernate increment to generate the PKs @Id @GenericGenerator(name = "hibernate-increment", strategy = "increment") @GeneratedValue(generator = "hibernate-increment") @Column(name = "ID", insertable ... |
82. Documenting database using Hibernate forum.hibernate.orgHi all I need to create documentation to describe my database to a business user. Just something that includes a comment describing what each table is and what its columns represent. Possibly a graph showing the relationship between different tables. Is anyone aware of a good way to create this sort of documentation automatically - maybe some way to annotate comments ... |
83. cant understand one-to-many database actions forum.hibernate.orgHi all, I have a problem with my one-to-many collection mappings collection. I have a unidirectional one-to-many mapping. When I try to update parent, after adding one child to the parent, the actions given below are taken. On one-to-many unidirectional mapping what actions are taken for INSERT and UPDATE? why does it do a update CHILd after INSERT child? And I ... |
84. Hibernate using multiple databases forum.hibernate.orgHello everybody Someone know how to add a another datasource in hibernate configuration and how to configure Spring to that datasource its autoinject in my respective DAO? This is my code with one datasource, that run perfectly, but i don't know how add another datasource. HIBERNATE CONFIGURACION Code: |
85. Hibernate for vertically partioned database? forum.hibernate.orgHello, folks: I am currently leading the development of an important web application at a Federal agency in Washington, DC. I have had a long, good experience with Hibernate and will use it on this application too. However, I am facing a rather odd situation: 1. We have a legacy desktop application written in VB that uses a MS Access database. ... |
86. How can we use multidimensional database with Hibernate forum.hibernate.org |
87. Problem with creating db - what's wrong? forum.hibernate.orgHi all, I'm using: Hibernate Annotations 3.4.0.GA Hibernate 3.3.0.SP1 DB: HSQLDB 2.1.0 Java: 1.6.0_26 OS: Windows XP I need help about creating properly structure of db. I have some entities (File, Music, Playout, Playout_Files, Playout_Music) and I want that one object Playout have some File's and Music's for example: Code: Set |
88. Many-To-Many split in two One-To-Many - Incomplete DB result forum.hibernate.orgHello, I've got the following issue: I need to have a many to many association with an additional attribute in the association table. I tried several methods, which I had found in the internet, but none of them worked correct for me. I now decided to use two One-To-Many associations instead. However I now have one last issue to solve: First, ... |
89. 2 hibernate machines against one database machine forum.hibernate.orgHibernate version: 3.3.1.GA I have 2 separate versions of the Jetty servlet engine running on 2 different physical machines, working against one mysql database server machine. I get loads of exceptions on both machines saying "an assertion failure occured (this may indicate a bug in Hibernate, but is more likely due to unsafe use of the session)". Do you have to ... |
90. Keeping Hibernate constantly connected to the database forum.hibernate.org |
91. informations on best supported java db forum.hibernate.orgDear all, I'm newbie of hibernate, please help me with this question. I developed a java application and I use hibernate with derby database withou problem. In any case derby performance doesn't satisfy me, also because database has too size with few data and it's also slow. Which database (the best will be a database with only a file, like sqlite) ... |
92. Only want to run the creation database script. forum.hibernate.orgHi all, In the Hibernate 4.0.0.Beta1, when I passed the property of 'hibernate.hbm2ddl.auto=create' into EntityManagerFactory, it will help me create the database script, which is generated by Hibernate itself, properly. However, with upgrading to the Hibernate 4.0.0.CR2, I've found before running the creation script, it will run the drop script, which result in throwing out some ERROR message. I've checked the ... |
93. DB Notifications forum.hibernate.orgHi , I've a requirement where my DB needs to notify my application if there is any insert or update into any table. Actually scenario is like this. I've a table into which data is being inserted from 100s of JSPs .. (which is actually not a good practice .. but thats how it is !! :( )... So no common ... |
94. using hibernate with oddly normalized databases forum.hibernate.orgHi folks. I'm using hibernate for a couple of projects just peachily, except for some problems mapping valued ternary associations. I'm interested, however, in the possibility of using hibernate on, how shall we say, some oddly normalized "legacy" databases. For example, in this database, parent-child relationships aren't indicated by the child object storing a foreign key reference to its parent object. ... |
95. Authenticating to the DB? forum.hibernate.orgI don't want to authenticate against the DB in our applications. Will you offer your killer arguments against this approach? If I cannot convince my team to do middle-tier authentication with generic connection pooling, do you have any advice on how to elegantly handle web application use of an individually authenticated java.sql.Connection? How/where should I store a Connection between application requests? ... |
96. OQL without database forum.hibernate.orgI am attempting to write a set of POJO (Plain old java objects) to represent my data domain. In a "server" environment they will be working with a database. Hibernate is ideal and the OQL is very usefull. For code re-use I'd like to use the same POJO's in a "client" environment when they will be working (probably) with an XML ... |
97. Database Purge forum.hibernate.orgIf you don't care about performance, you can try session.delete("from java.lang.Object")... That should work, although I have not tried it. A better approach would be to script the creation of the DB. Then you could simply use the DROP DATABASE sql command and recreate it. I believe the schema generation tool bundled with Hibernate offers such functionality. |
98. Firebird database support forum.hibernate.orgHi, I would like to use Hibernate with a FireBird database, but Firebird is not in the Hibernate supported Databases list. Is there any FireBird update comming soon? Or there is any other database dielect equal to firebird dielect? Or is there any other way to solve this problem? Thanks in advance Joao Rangel |
99. Multiple Databases forum.hibernate.orgHow do I configure Hibernate to access multiple databases? I am using hibernate.cfg.xml as the configuration file. Currently I have the following config: ========================================= |
100. New database support (Teradata, for example) forum.hibernate.org |