1. Hibernate connection problems stackoverflow.comI'm working on a webapp and I have connection errors after Hibernate throws exceptions : |
2. Recover Hibernate connection stackoverflow.comDoes anybody know a way to reestablish/retry again hibernate connection. I mean for example: the remote DB is down and I start my application. Hibernate is not able to establish a ... |
3. Hibernate problem: "Too many connections" stackoverflow.comI am getting the following error: |
4. hibernate connection problem stackoverflow.comI had set up hibernate plugin to NetBeans and can not connect to MySQL dbs - the code: |
5. Setting connection in Hibernate stackoverflow.comI have a requirement that i need to set the connection into the hibernate, and i dont want to let hibenate create the connection. The reason being, till now, we were ... |
6. Hibernate connection issue stackoverflow.comI have a Batch which is running on 4 threads and have a hibernate connection pool configured for 3 connections in the cfg .xml file . How will i make sure that ... |
7. Too many connections in Hibernate stackoverflow.comI'm trying to learn Hibernate and I wrote the simplest Person Entity and I was trying to insert 2000 of them. I know I'm using deprecated methods, I will try to ... |
8. strange connection problem (Hibernate) coderanch.comI have a small app that I wrote w/ Hibernate in the DA layer. I recently had it working with mysql 4.0.x and now that I'm trying to run it on a different system with mysql 4.1.x it is throwing an exception: 09:21:41,205 INFO C3P0ConnectionProvider:50 - C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost/app 09:21:41,206 INFO C3P0ConnectionProvider:51 - Connection properties: {user=root, password=****} ... |
9. hibernate connection. coderanch.comI'm trying to determine when a hibernate session is actually available... At the start of my program, i'm creating a sessionfactory using the configuration params in my cfg.xml file. Thing is I've deliberately specified a non-existant database name so I can trap that error, to let the user know the database cannot be found.. The problem is , I still get ... |
10. Hibernate connection management problem? coderanch.comHi friends i want to use hibernate with apache DBCP connection management i configure hibernate.cfg.xml this is my hibernate.cfg.xml file --------------------------------------------- |
11. More than one connection in the Hibernate coderanch.comNothing would be changing in your situation, you will be having to session factory classes SessionFactory1 SessionFactory2 the only thing you need is if you are getting session's using openNewSession() you will have to close it manually using sessin.close(); while if you are getting session's using the getCurrentSession() message then you don't have to worry. note that the number of SessionFactories ... |
12. Does JPA spec include methods for connection? coderanch.com |
13. Steps to Create Connection with help of hibernate coderanch.com |
14. Please help me need urgent help on JPA connection coderanch.comHi, In my current assignment I'm trying to connect a remote MS Access database using JPA. But I'm not able to connect to database in my desktop itself . Below is my code let me know if I'm doing something wrong. persistence.xml ========= |
15. Hibernate Connection coderanch.comI am new to Hibernate and getting this Exception. What is reason of this exception Help me Please!! Oct 30, 2011 11:17:39 AM org.hibernate.cfg.Environment |
16. Establishing many Connections/Disconnections in Hibernate forum.hibernate.orgHi, I am new in Hibernate and I am using an application where I need to improve the performance while uploading the users through a utility. While analyzing the system, I found that, to insert a single user there were around 8 hits are made to DB to get the information and based on that finally it inserts the user and ... |
17. newbie: too many connections using netbeans and hibernate forum.hibernate.orgHello. I am very new to all this so dont slap me please and i realy need some help. Basically my Problem is about too many connections using hibernate with netbeans IDE. They cant help me on netbeans forums so i hope to find advise here. I guess ill have to tell the entire story. I am working on a java ... |
18. Gory Connection Details forum.hibernate.orgWe are starting a new project and I've suggested using Hibernate for persistence. My team lead is interested in Hibernate and has read many good things about it but he is uneasy about using a technology that he doesn't fully understand (which is understandable of course). Of specific concern is how Hibernate manages database connections. I know that Hibernate acts as ... |
19. problem with connections forum.hibernate.orgHi all, I'm new in Hibernate. I use hibernate with db2 and I have problem with connections: When I try connect with database I have error : Nov 3, 2009 3:05:44 PM org.hibernate.util.JDBCExceptionReporter logExceptions WARNING: SQL Error: -4471, SQLState: null Nov 3, 2009 3:05:44 PM org.hibernate.util.JDBCExceptionReporter logExceptions SEVERE: [jcc][t4][10251][10308][4.7.85] java.sql.Connection.close() requested while a transaction is in progress on the connection. The ... |
20. connection problem in hibernate forum.hibernate.org |
21. When exactly are connections created? forum.hibernate.orgWhen I look at the SessionFactory API for the openSession() method it states: "Create database connection and open a Session on it. " I am running in JBoss using a container managed connection pool. If i do something like: Session session = sessionFactory.openSession(); and then look at the number of session in the pool that are in use it shows 0. ... |
22. Too many connections forum.hibernate.orgGuys, I would lik to know why error is happening, excpetion being "Too many Connections". Can any one how connection plays between session and transaction. I have given 100 as conn pool size and i have closed session in every servlet it is opened with in my web application. Please help. Advanced thanx for your reply and valuable info. Thanks, Jyeshta ... |
23. Too many connections forum.hibernate.orgHello, I try to close all connections and resources so as to avoid "lost" active database connections. The code structure is: Code: javax.persistence.EntityManager entityManager = null; javax.persistence.EntityTransaction transaction = null; try { entityManager = ... |
24. Connection loss to server after some X hrs(more than 8 hrs) forum.hibernate.orgAuthor Message srujan445 Post subject: Connection loss to server after some X hrs(more than 8 hrs) Posted: Sun Nov 21, 2010 1:08 pm Newbie Joined: Fri Nov 19, 2010 3:49 pm Posts: 1 Hi when I leave server running all the night, next day in the morning we losing connection to database server and throwing exception i.e., java.sql.SQLException: Closed ... |
25. Hibernate connection problems forum.hibernate.org |
26. Recover Hibernate connection forum.hibernate.orgHi, Does anybody know a way to reestablish/retry again hibernate connection. I mean for example: the remote DB is down and I start my application. Hibernate is not able to establish a connection. it fails. But the application is not closed. Is there a way to say hibernate to try one more time to establish a connecton? Thanks in advance |
27. problem in hibernate connection forum.hibernate.orgAuthor Message bilalhaider Post subject: problem in hibernate connection Posted: Mon Jan 24, 2011 6:39 am Newbie Joined: Mon Jan 24, 2011 6:33 am Posts: 1 I am getting this output on console. I am unable to query my DB. What could be the problem? Jan 24, 2011 3:29:15 PM org.apache.myfaces.renderkit.html.HtmlRenderKitImpl getRenderer WARNING: Unsupported component-family/renderer-type: javax.faces.ViewRoot/javax.faces.Form Jan 24, 2011 ... |
28. one to one connection generates SET? forum.hibernate.orgHi! I have been fighting with this problem now two days and I am done, head is empty and I can't continue. I am using MySQLWorkbench to model a database, so I get SQL-scripts. After that I am using Hibernate tool in Eclipse to generate xml and java codes. Problem is that I have ADDRESS-table, COMPANY and BRANCH. I would like ... |
29. Data source rejected establishment of connection? forum.hibernate.orgNewbie Joined: Tue May 03, 2011 5:07 am Posts: 2 Location: India Hi All I am using MySQL database and hibernate and JSP.using hibernate select database store value and prepared view and display using Ajax.i am polling database every 1 seconds using Java script timer that called a ajax function and return the new updated response every 1 second,i got response ... |
30. Active Connections - How to know? forum.hibernate.org |
31. Guaranteeing Hibernate doesn't use connection until needed? forum.hibernate.org |
32. Wrapped connections in Hibernate 4 forum.hibernate.org |
33. Is it possible to use DataSource instead of Connection? forum.hibernate.org |
34. Using Hibernate with only one connection forum.hibernate.orgHi, I am trying to use Hibernate in my application with a MS SqlServer database. I found the jsql driver that rocks. My question is : can I use the standard edition with Hibernate ? The main restriction of this version is that it just have one connection. Is there some cases where Hibernate need 2 connections at the same time ... |
35. Providing Connections forum.hibernate.orgI was surprised to see that if I specify connection properties in a hibernate-configuration they seem to take precedence over a session provided connection. What I found was that if I create a hibernate session and specify a property and also specify connection properties that include user/password in a hibernate configuration. In testing, it seems that I have to specify a ... |
36. web site with a lot of connections forum.hibernate.orgI write a web site. On this site, there will be a lot a user connected at a time? I use Hibernate OR mapping layer, and tomcat as Server. What is the best way to manage such a lot of connections at a time ? Is there a pattern to resolve it? If yes, which is this pattern and how it ... |
37. Connection in Hibernate forum.hibernate.orgHi , I am develping a webapplication with hibernate. And my resin keep throwing me this error : [04:55:35.254] Closing dangling connections. All connections must have a close( ) in a finally block. [04:55:35.264] java.lang.IllegalStateException: Connection com.caucho.sql.Manage dConnectionImpl@878c4c was not closed. Connections must have a close() in a fina lly block. [04:55:35.264] at com.caucho.jca.UserTransactionImpl.abortTransaction(UserTrans actionImpl.java:244) [04:55:35.264] at com.caucho.jca.UserTransactionProxy.abortTransaction(UserTran sactionProxy.java:175) [04:55:35.264] at ... |
38. Design/Connection question ? forum.hibernate.orgI have two questions: 1] I have two db instances on the same machines and i need to SELECT ONE VIEW from each instance. ex: machne1:masterf and machine2:masterfx How do i configure that in hibernate.properties & keep them alive through out the transaction ? Keeping the both instances intact Please help in the following scneario.... 2] VIEW [PARENT called PLACE] has ... |
39. Running Hibernate without an internet connection forum.hibernate.orgIf I try and run Hibernate when not connected to the internet I get the folowing error: problem parsing configuration/hibernate.cfg.xml org.dom4j.DocumentException: Error on line 2 of document : External entity not found: "http://hibernate.sf.net/hibernate-configuration-2.0.dtd". Nested exception: External entity not found: "http://hibernate.sf.net/hibernate-configuration-2.0.dtd". at org.dom4j.io.SAXReader.read(SAXReader.java:355) TestRunner.java:182)..... |
40. Using CMT datasource on Orion uses up all connections forum.hibernate.orgMy problem: As part of the process of evaluating Hibernate as a replacement for our application's current EJB 1.1 CMP persistence, I created a set of JUnit tests that serially execute various Hibernate saves, updates and finds behind a stateless session bean. When I attempt to use a pooled datasource (hibernate.connection.datasource jdbc/MyPooledDS) or CMT datasource (hibernate.connection.datasource jdbc/MyEJBDS), the database connections are ... |
41. Behaviour of the Connection object forum.hibernate.orgHi, Can any one please explain me how the Connection object which has been retrieved from calling session.connection() behaves. After executing the following statements....... Session session=sfactory.openSession(); Connection con=session.connection(); con.setAutoCommit(false); PreparedStatement pstmt=con.prepareStatement("update arrears set arr_date=sysdate where arrear_id=100"); int n=pstmt.executeUpdate(); con.commit(); I get Connection already closed exception at con.commit() line. I am not able to understand where exactly i am going wrong. Later ... |
42. Connection problem forum.hibernate.orgAuthor Message akarpov58 Post subject: Connection problem Posted: Mon Apr 12, 2004 4:10 am Newbie Joined: Mon Apr 12, 2004 4:06 am Posts: 1 Hi, Sorry if asking stupid questions, but I am quite new to Hibernate ... I tried to use Hibernate 2.1 in some PostgreSql and Eclipse 2.1.2 (on XP, SDK 1.4.1_03, J2EE 1.4 ) test project, ... |
43. Connection handling forum.hibernate.orgIs it true that hibernate (2.1.2) uses 1 connection per Session and never releases it even if it does not need it. Would not it be much more efficient to request/release connection on-demand - when it is needed for DB access? Otherwise it is problem for long running transactions. For example: 1. I am loading Person data in session1 (connection gets ... |
44. Connection management problem (hibernate2.1.2/Sybase12.5) forum.hibernate.orgHi ! We work with hibernate, using a Sybase 12.5 database and a Proxool connection pool. We started working with hibernate 2.1.1, and I tried an upgrade to the 2.1.3 version yesterday. Unforntunately, a problem has appeared. I get the following warning message (I tried with 2.1.2 version, and I get the exactly the same) : 09:45:35,013 WARN org.logicalcobwebs.proxool.hibernate-1 - #59 ... |
45. two databse connections forum.hibernate.org |
46. Hibernator-Connection! forum.hibernate.org |
47. I need Help with connection sharing. forum.hibernate.orgI'm using Hibernate for database access in my web app project. I'm trying to make a shared session because of i want to share only one connection for all user view my website. MyClass{ static Session singleton; synchronized static Session getSharedSession(){ return singleton; } But. some problem occur, the shared session seem not refresh object on it cache. When i delete ... |
48. Configuration of Hibernate when providing the connection forum.hibernate.orgI tried to find info about the following but failed. I'm evaluating Hibernate (2.1) as the persistence layer in an existing product. I'm providing my own connection to the Hibernate session but from looking at the logs, I realized that when building session factory, Hibernate is still trying to obtain connection (and failed - java.sql.SQLException: JZ00L: Login failed). (In this line ... |
49. problem with a given connection. forum.hibernate.org |
50. How to check if connection is valid/server exists? forum.hibernate.orgHibernate version: 2.1.6 Mapping documents: NA Code between sessionFactory.openSession() and session.close(): Session session = (Session)Config.getInstance().getSession(server); //this does the openSession StringBuffer str = new StringBuffer("from Sysdtspackagelog as p where p.versionid='"); str.append(this.versionId); str.append("' and id='"); str.append(id); str.append("'"); logger.debug("Query string = " + str.toString()); list = session.find(str.toString()); session.close(); Full stack trace of any exception that occurs: NA Name and version of the database you ... |
51. help:Connection.getAutoCommit() unsupported?? forum.hibernate.orgDear All, I use hibernate 2.1.6 and the datasource is csv(use to test import data and not export data to datasource); when linking the datasource there is no problem. however,there are some errors in getting data: java.lang.UnsupportedOperationException: Connection.getAutoCommit() unsupported at org.relique.jdbc.csv.CsvConnection.getAutoCommit(Unknown Source) at net.sf.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:103) at net.sf.hibernate.impl.BatcherImpl.openConnection(BatcherImpl.java:286) at net.sf.hibernate.impl.SessionImpl.connect(SessionImpl.java:3326) at net.sf.hibernate.impl.SessionImpl.connection(SessionImpl.java:3286) at net.sf.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:40) at net.sf.hibernate.transaction.JDBCTransactionFactory.beginTransaction(JDBCTransactionFactory.java:19) at net.sf.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:2231) at common.util.ThreadedSession.put(ThreadedSession.java:56) at common.hibernate.base._RootDAO.createSession(_RootDAO.java:198) at ... |
52. Unclosed Connection!. forum.hibernate.orgPlease help!. What do you think is causing this problem?. [04/11/22 14:17:03:324 JST] 3cdfe934 SessionImpl W net.sf.hibernate.impl.SessionImpl unclosed connection [04/11/22 14:17:03:356 JST] 3cdfe934 SessionImpl W net.sf.hibernate.impl.SessionImpl unclosed connection [04/11/22 14:17:03:387 JST] 3cdfe934 SessionImpl W net.sf.hibernate.impl.SessionImpl unclosed connection [04/11/22 14:17:03:402 JST] 3cdfe934 SessionImpl W net.sf.hibernate.impl.SessionImpl unclosed connection [04/11/22 14:17:03:449 JST] 3cdfe934 SessionImpl W net.sf.hibernate.impl.SessionImpl unclosed connection |
53. Connection problem in first setup forum.hibernate.orgNewbie Joined: Thu Dec 02, 2004 10:44 pm Posts: 1 Hi everyone. I'm new to Hibernate, so this might be obvious. When I'm following the steps of "Get up and running quickly", I get stuck on the "build eg". I get a SQLException, saying: Unable to connect to any hosts due to exception: java.net.ConnectException: Connection refused: connect Please, see below for ... |
54. multiple connections problem forum.hibernate.orgi running a book store application application has swing (GUI) and hiberante for accessing database hiberante version 2.1.6 HsqlDb version 1.7.2 i am running HsqlDb as server i want to run more than one instance of my application I am able to run one application perfectly.But i am not able to get conncetion for 2nd instance of application What do i ... |
55. Hibernate with two connections forum.hibernate.orgAuthor Message vanstalle Post subject: Hibernate with two connections Posted: Tue Jan 18, 2005 9:55 am Beginner Joined: Thu Jan 01, 2004 11:36 am Posts: 23 Location: Belgium Hibernate version: 2.1.2 Name and version of the database you are using: oracle 9i Hello, I am trying to setup an application in a weblogic 8.1 server using two connections to ... |
56. connection redirection forum.hibernate.orgcan hibernate can solve connection redirection of database when crash occur? the scenario is where in if application A connected to Database A and suddently database A crashes hibernate should now search for the available database, which let say it is database B. so now hibernate will connect to database B. everytime Database A is up. all the idle database is ... |
57. do I need polled connection ? forum.hibernate.orgI am new to Hibernate and I am trying to run the Cat example from version 3. I am using also Tomcat 5.5.7 and Java 1.5. Do I need DBCP connection pooling as a must? I didn't setup one. I just want to use "hibernate.cfg.xml" like: |