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Arun
 Post subject: Hbernate base Class
PostPosted: Wed Jul 06, 2005 3:12 am 
Beginner
Beginner

Joined: Thu Mar 24, 2005 6:29 am
Posts: 24
Hi,

I am new to newbie i am using HibernateUtil base class for getting session and transaction so when i am using this i am getting session closed error


Thankz in advance
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christian
 Post subject:
PostPosted: Wed Jul 06, 2005 5:52 am 
Hibernate Team
Hibernate Team

Joined: Mon Aug 25, 2003 9:11 pm
Posts: 4592
Location: Switzerland
Seriously, what response do you expect to this posting?
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Arun
 Post subject:
PostPosted: Fri Jul 08, 2005 6:24 am 
Beginner
Beginner

Joined: Thu Mar 24, 2005 6:29 am
Posts: 24
I am using Hibernate with standalone Tomcat and also using HibernateUtil
for getting session and Transaction the version i am using is Hibernate3.0

The code which i am getting the error is listed below.


public static String create(ICategory category)throws CategoryNotFoundException
{
if(category==null)
{
throw new CategoryNotFoundException("category Not Found");
}
String msg = "Category created";



try{
HibernateUtil.beginTransaction();
HibernateUtil.getSession().save(category);
HibernateUtil.commitTransaction();
HibernateUtil.closeSession();
} catch(HibernateException ex)
{
System.out.println("Class CategoryManager Function: createCategory");
ex.printStackTrace();
msg= "category All ready Exists";

}

setRefreshed(true);

return msg;
}


This is the method where i am using Hibernate.

When this method is called I am getting the error:

org.hibernate.HibernateException: Session is closed

at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:94)
at org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.java:134)
at com.transversalnet.hibernate.HibernateUtil.rollbackTransaction(HibernateUtil.java:201)
at com.transversalnet.hibernate.HibernateUtil.commitTransaction(HibernateUtil.java:186)
at com.transversalnet.docmanager.category.CategoryManager.create(CategoryManager.java:215)
at com.transversalnet.docmanager.category.CategoryUtil.addRootCategory(CategoryUtil.java:38)

at com.transversalnet.servlets.docmanager.CategoryControllerServlet.doGet(CategoryController
Servlet.java:67)
at com.transversalnet.servlets.docmanager.CategoryControllerServlet.doPost(CategoryControlle
rServlet.java:154)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
ava:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:19
8)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11P
rotocol.java:705)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
at java.lang.Thread.run(Thread.java:534)
Class CategoryManager Function: createCategory
org.hibernate.HibernateException: Session is closed
at org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:94)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:95)
at com.transversalnet.hibernate.HibernateUtil.commitTransaction(HibernateUtil.java:182)
at com.transversalnet.docmanager.category.CategoryManager.create(CategoryManager.java:215)
at com.transversalnet.docmanager.category.CategoryUtil.addRootCategory(CategoryUtil.java:38)

at com.transversalnet.servlets.docmanager.CategoryControllerServlet.doGet(CategoryController
Servlet.java:67)
at com.transversalnet.servlets.docmanager.CategoryControllerServlet.doPost(CategoryControlle
rServlet.java:154)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
ava:237)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)



Seriously chritian i am in a totally confused .
i am not able to judge the error.

if u want some other details plz don't hesitate . i am ready to explain
and also one more thing is i am not using JNDI for getting building sessionfactory.

Plz help


Thankz in advance
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snpesnpe
 Post subject:
PostPosted: Fri Jul 08, 2005 10:52 am 
Expert
Expert

Joined: Sat Jun 12, 2004 4:49 pm
Posts: 915
You don't build session correct, probably - see log when call HibernateUtil first time
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Arun
 Post subject:
PostPosted: Sat Jul 09, 2005 12:35 am 
Beginner
Beginner

Joined: Thu Mar 24, 2005 6:29 am
Posts: 24
Hi,
Here is the logs when starting the Hibernate for the first time

Here i am using Hibernate.cfg.xml as properties and not hibernae.properties



my hibernate.cfg.xml file is like this:



Quote:
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">


<hibernate-configuration>
<session-factory>

<property name="connection.url">jdbc:mysql://localhost/pheonix?autoReconnect=true</property>
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.username">root</property>
<property name="connection.password"></property>
<property name="connection.pool_size">12</property>
<property name="show_sql">true</property>
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>


<!-- Mapping files -->


<mapping resource="com/transversalnet/docmanager/category/category.hbm.xml"/>
<mapping resource="com/transversalnet/docmanager/category/categorymap.hbm.xml"/>
<mapping resource="com/transversalnet/docmanager/category/reviewer.hbm.xml"/>
<mapping resource="com/transversalnet/usersandgroups/svfatwvu.hbm.xml"/>
<mapping resource="com/transversalnet/docmanager/attribute/dmsattribute.hbm.xml"/>

<!-- <mapping resource="com/transversalnet/docmanager/permission/dm_permission.hbm.xml" /> -->

</session-factory>
</hibernate-configuration>




And my hibernae logs are as follows:

    INFO: Server startup in 17141 ms
    0 [http-80-Processor25] INFO org.hibernate.cfg.Environment - Hibernate 3.0rc1
    0 [http-80-Processor25] INFO org.hibernate.cfg.Environment - hibernate.properties not found
    15 [http-80-Processor25] INFO org.hibernate.cfg.Environment - using CGLIB reflection optimizer
    15 [http-80-Processor25] INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp h
    andling
    15 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - configuring from resource: /hibe
    rnate.cfg.xml
    15 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - Configuration resource: /hiberna
    te.cfg.xml
    265 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - Mapping resource: com/transversa
    lnet/docmanager/category/category.hbm.xml
    453 [http-80-Processor25] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.transversalnet.do
    cmanager.category.Category -> dm_category
    546 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - Mapping resource: com/transversa
    lnet/docmanager/category/categorymap.hbm.xml
    812 [http-80-Processor25] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.transversalnet.do
    cmanager.category.CategoryMap -> dm_category_map
    812 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - Mapping resource: com/transversa
    lnet/docmanager/category/reviewer.hbm.xml
    843 [http-80-Processor25] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.transversalnet.do
    cmanager.category.CategoryReviewer -> dm_reviewers
    859 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - Mapping resource: com/transversa
    lnet/usersandgroups/svfatwvu.hbm.xml
    875 [http-80-Processor25] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.transversalnet.ut
    ils.DocmanagerUser -> svfatwvu
    875 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - Mapping resource: com/transversa
    lnet/docmanager/attribute/dmsattribute.hbm.xml
    906 [http-80-Processor25] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.transversalnet.do
    cmanager.attribute.Attribute -> dm_attribute
    921 [http-80-Processor25] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.transversalnet.do
    cmanager.attribute.MetadataAttributeMap -> dm_metadata_attribute_map
    921 [http-80-Processor25] INFO org.hibernate.cfg.HbmBinder - Mapping class: com.transversalnet.do
    cmanager.metadata.Metadata -> dm_metadata
    937 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - Configured SessionFactory: null
    937 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - processing extends queue
    937 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - processing collection mappings
    937 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - processing association property
    references
    937 [http-80-Processor25] INFO org.hibernate.cfg.Configuration - processing foreign key constrain
    ts
    1187 [http-80-Processor25] INFO org.hibernate.dialect.Dialect - Using dialect: org.hibernate.diale
    ct.MySQLDialect
    1203 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Maximum outer join fetch depth
    : 2
    1203 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Default batch fetch size: 1
    1218 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Generate SQL with comments: di
    sabled
    1218 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Order SQL updates by primary k
    ey: disabled
    1218 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Query translator: org.hibernat
    e.hql.ast.ASTQueryTranslatorFactory
    1234 [http-80-Processor25] INFO org.hibernate.hql.ast.ASTQueryTranslatorFactory - Using ASTQueryTr
    anslatorFactory
    1234 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Query language substitutions:
    {}
    1265 [http-80-Processor25] INFO org.hibernate.connection.DriverManagerConnectionProvider - Using H
    ibernate built-in connection pool (not for production use!)
    1265 [http-80-Processor25] INFO org.hibernate.connection.DriverManagerConnectionProvider - Hiberna
    te connection pool size: 12
    1265 [http-80-Processor25] INFO org.hibernate.connection.DriverManagerConnectionProvider - autocom
    mit mode: false
    1281 [http-80-Processor25] INFO org.hibernate.connection.DriverManagerConnectionProvider - using d
    river: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost/pheonix?autoReconnect=true
    1281 [http-80-Processor25] INFO org.hibernate.connection.DriverManagerConnectionProvider - connect
    ion properties: {user=root, password=****}
    1531 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - JDBC batch size: 15
    1531 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - JDBC batch updates for version
    ed data: disabled
    1531 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Scrollable result sets: enable
    d
    1546 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - JDBC3 getGeneratedKeys(): enab
    led
    1546 [http-80-Processor25] INFO org.hibernate.transaction.TransactionFactoryFactory - Using defaul
    t transaction strategy (direct JDBC transactions)
    1562 [http-80-Processor25] INFO org.hibernate.transaction.TransactionManagerLookupFactory - No Tra
    nsactionManagerLookup configured (in JTA environment, use of read-write or transactional second-leve
    l cache is not recommended)
    1562 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Automatic flush during beforeC
    ompletion(): disabled
    1578 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Automatic session close at end
    of transaction: disabled
    1578 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Cache provider: org.hibernate.
    cache.EhCacheProvider
    1593 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Second-level cache: enabled
    1593 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Optimize cache for minimal put
    s: disabled
    1593 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Structured second-level cache
    entries: enabled
    1593 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Query cache: disabled
    1593 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Echoing all SQL to stdout
    1625 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Statistics: disabled
    1625 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Deleted entity synthetic ident
    ifier rollback: disabled
    1625 [http-80-Processor25] INFO org.hibernate.cfg.SettingsFactory - Default entity-mode: pojo
    2031 [http-80-Processor25] INFO org.hibernate.impl.SessionFactoryImpl - building session factory
    2062 [http-80-Processor25] WARN net.sf.ehcache.config.Configurator - No configuration found. Confi
    guring ehcache from ehcache-failsafe.xml found in the classpath: file:/E:/Phoenix/PHONEIX II/jakarta
    -tomcat-5.0.28/work/Catalina/localhost/phoenix/loader/ehcache-failsafe.xml
    3421 [http-80-Processor25] INFO org.hibernate.impl.SessionFactoryObjectFactory - Not binding facto
    ry to JNDI, no JNDI name configured
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Piwi
 Post subject:
PostPosted: Sat Apr 15, 2006 3:04 am 
Newbie

Joined: Wed Mar 15, 2006 10:31 am
Posts: 5
Hi,

I think your HibernateUtil is not good.

Can you paste the code of the HibernateUtil Class please ?

Piwi
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