Hibernate Exception : Java, Hibernate, Derby

May 17, 2008 06:30am pdt

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05.08.2008 at 02:25AM PDT, ID: 23385449

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9.8

Hibernate Exception

Zones: Java Programming Language, Databases Miscellaneous, DB2 Database

Tags: Java, Hibernate, Derby

Hi,

I am getting following exceptio, using hibernate with Derby

org.hibernate.exception.GenericJDBCException: Cannot close connection
at
org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:91)
at
org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:79)
at
org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at
org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:29)
at
org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:336)
at
org.hibernate.jdbc.ConnectionManager.aggressiveRelease(ConnectionManager.java:287)
at
org.hibernate.jdbc.ConnectionManager.afterTransaction(ConnectionManager.java:189)
at
org.hibernate.jdbc.JDBCContext.afterTransactionCompletion(JDBCContext.java:215)
at
org.hibernate.jdbc.JDBCContext.connectionCleanedUp(JDBCContext.java:97)
at
org.hibernate.jdbc.ConnectionManager.cleanup(ConnectionManager.java:275)
at
org.hibernate.jdbc.ConnectionManager.close(ConnectionManager.java:207)
at org.hibernate.impl.SessionImpl.close(SessionImpl.java:310)
at
ae.sphere.arena.networkManager.db.dao.DeviceDAO.getDeviceByIp(DeviceDAO.java:517)
at
ae.sphere.arena.networkManager.discovery.element.device.DeviceManager.loadDevice(DeviceManager.java:214)
at
ae.sphere.arena.networkManager.discovery.element.link.Link.setLocalPort(Link.java:187)
at
ae.sphere.arena.networkManager.discovery.element.link.Link.<init>(Link.java:61)
at
ae.sphere.arena.networkManager.discovery.element.link.LinkBank.register(LinkBank.java:64)
at
ae.sphere.arena.networkManager.discovery.element.link.LinkDiscoveryProtocol.createLink(LinkDiscoveryProtocol.java:58)
at
ae.sphere.arena.networkManager.discovery.protocol.enterprise.cisco.cdp.CiscoDiscovery.constructLinks(CiscoDiscovery.java:128)
at
ae.sphere.arena.networkManager.discovery.protocol.enterprise.cisco.cdp.CiscoDiscovery.discover(CiscoDiscovery.java:58)
at
ae.sphere.arena.networkManager.discovery.protocol.DiscoveryProtocol.run(DiscoveryProtocol.java:325)
at
ae.sphere.arena.networkManager.discovery.protocol.DiscoveryProtocol.run(DiscoveryProtocol.java:354)
at
ae.sphere.arena.networkManager.discovery.element.device.DeviceDiscovery.run(DeviceDiscovery.java:130)
at
ae.sphere.arena.networkManager.discovery.element.device.DeviceDiscovery.run(DeviceDiscovery.java:175)
at
ae.sphere.arena.networkManager.discovery.element.device.DeviceDiscovery.run(DeviceDiscovery.java:233)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:58)
Caused by: java.sql.SQLException: Invalid transaction state.
at
org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.newSQLException(Unknown
Source)
at org.apache.derby.impl.jdbc.EmbedConnection.close(Unknown Source)
at
org.hibernate.connection.DriverManagerConnectionProvider.closeConnection(DriverManagerConnectionProvider.java:137)
at
org.hibernate.jdbc.ConnectionManager.closeConnection(ConnectionManager.java:332)
... 21 more

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Question Stats

Zone: Programming

Question Asked By: Shabzt

Solution Provided By: objects

Participating Experts: 2

Solution Grade: A

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05.08.2008 at 03:21AM PDT, ID: 21523526

Rank: Genius

objects:

looks like u don't close the tx

try calling:

connection.setAutoCommit(true);

before closing

05.08.2008 at 03:34AM PDT, ID: 21523572

melchkishore:

Please check whether hibernate session object is null or not. If hibernate session object is null and you are trying close session. It will get error.

05.08.2008 at 04:27AM PDT, ID: 21523787

Shabzt:

I am attaching the code snippet. Its throwing exception, when trying to close the session.
I am using Hibernate 3.1.1.RC3, and Derby 10.3.2.1 with JVM 1.5

                       
                          
                             
                             
                                	public  Device getDeviceByIp(String ip) {
		Device result = null;
//		lock.acquire();
		Session session = getSession();
//		Transaction tx  =session.beginTransaction();
		try {
			Query query = session.createQuery("select distinct d from Device as d where d.ipaddress = :ip");
			query.setString("ip",ip);			
			List<Device> devices = query.list();
			if (devices == null || devices.size()==0){
//				LOG.info("Unable to find any device by ip " + ip);
				return null;
			}else if (devices.size()>1){
				LOG.warn("We got " + devices.size() + " devices with IP " +  ip + " and we will choose the first one :" + devices.get(0));
			}
			result = devices.get(0);
		}catch(Exception exp){
			LOG.error("Unable to get the device by ip ",exp);
//			session.flush();
//			if (tx !=null ) 
//				tx.rollback();
		}finally {
//			tx.commit();
			if (session.isOpen()){
				session.close();
			}
//			lock.release();
		}		
		
		return result;
	}

                             
                          

                    

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05.08.2008 at 04:34AM PDT, ID: 21523807

Rank: Genius

objects:

turn on autocommit in your hibernate config

<property name="connection.autocommit">true</property>

or open/close tx manually

Accepted Solution

05.08.2008 at 05:44AM PDT, ID: 21524125

Shabzt:

I did in hibernate config, it works fine for me. I am testing the same and will update you.
Thanks

20080236-EE-VQP-29 / EE_QW_2_20070628