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sdroovan
 Post subject: NoClassDefFound in buildSessionFactory
PostPosted: Fri Jan 14, 2005 9:00 pm 
Beginner
Beginner

Joined: Tue May 11, 2004 10:40 am
Posts: 37
Location: Belgium
Hibernate version: 2.1.7

Name and version of the database you are using:MySQL

J2ee server:Appserver of Sun

Hi,
I'm trying to use hibernate with j2ee and when I call the method buildsessionfactory, I get a classdefnotfound error. Here's a piece of the error:
Code:
Caused by: java.lang.NoClassDefFoundError
   at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:796)



For completeness a larger piece of error:
Code:
[#|2005-01-15T01:30:09.062+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.SettingsFactory|_ThreadID=16;|Use outer join fetching: true|#]

[#|2005-01-15T01:30:09.062+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.connection.DriverManagerConnectionProvider|_ThreadID=16;|Using Hibernate built-in connection pool (not for production use!)|#]

[#|2005-01-15T01:30:09.062+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.connection.DriverManagerConnectionProvider|_ThreadID=16;|Hibernate connection pool size: 1|#]

[#|2005-01-15T01:30:09.062+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.connection.DriverManagerConnectionProvider|_ThreadID=16;|using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost:3306/ruleengine|#]

[#|2005-01-15T01:30:09.062+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.connection.DriverManagerConnectionProvider|_ThreadID=16;|connection properties: {user=root, password=stijnderoo}|#]

[#|2005-01-15T01:30:09.078+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.transaction.TransactionManagerLookupFactory|_ThreadID=16;|No TransactionManagerLookup configured (in JTA environment, use of process level read-write cache is not recommended)|#]

[#|2005-01-15T01:30:09.265+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.SettingsFactory|_ThreadID=16;|Use scrollable result sets: true|#]

[#|2005-01-15T01:30:09.265+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.SettingsFactory|_ThreadID=16;|Use JDBC3 getGeneratedKeys(): true|#]

[#|2005-01-15T01:30:09.265+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.SettingsFactory|_ThreadID=16;|Optimize cache for minimal puts: false|#]

[#|2005-01-15T01:30:09.281+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.SettingsFactory|_ThreadID=16;|echoing all SQL to stdout|#]

[#|2005-01-15T01:30:09.281+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.SettingsFactory|_ThreadID=16;|Query language substitutions: {no='N', true=1, yes='Y', false=0}|#]

[#|2005-01-15T01:30:09.281+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.SettingsFactory|_ThreadID=16;|cache provider: net.sf.hibernate.cache.EhCacheProvider|#]

[#|2005-01-15T01:30:09.281+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.SettingsFactory|_ThreadID=16;|query cache factory: net.sf.hibernate.cache.StandardQueryCacheFactory|#]

[#|2005-01-15T01:30:09.281+0100|INFO|sun-appserver-pe8.1|net.sf.hibernate.cfg.Configuration|_ThreadID=16;|instantiating and configuring caches|#]

[#|2005-01-15T01:30:09.281+0100|INFO|sun-appserver-pe8.1|javax.enterprise.system.container.ejb|_ThreadID=16;|EJB5070: Exception creating stateless session bean : [{0}]
java.lang.reflect.InvocationTargetException
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:324)
   at com.sun.ejb.containers.StatelessSessionContainer.createStatelessEJB(StatelessSessionContainer.java:410)
   at com.sun.ejb.containers.StatelessSessionContainer.access$100(StatelessSessionContainer.java:75)
   at com.sun.ejb.containers.StatelessSessionContainer$SessionContextFactory.create(StatelessSessionContainer.java:597)
   at com.sun.ejb.containers.util.pool.NonBlockingPool.getObject(NonBlockingPool.java:168)
   at com.sun.ejb.containers.StatelessSessionContainer._getContext(StatelessSessionContainer.java:359)
   at com.sun.ejb.containers.BaseContainer.getContext(BaseContainer.java:1072)
   at com.sun.ejb.containers.BaseContainer.preInvoke(BaseContainer.java:772)
   at com.sun.ejb.containers.EJBObjectInvocationHandler.invoke(EJBObjectInvocationHandler.java:126)
   at $Proxy23.addRule(Unknown Source)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:324)
   at com.sun.corba.ee.impl.presentation.rmi.StubInvocationHandlerImpl.invoke(StubInvocationHandlerImpl.java:167)
   at com.sun.corba.ee.impl.presentation.rmi.bcel.BCELStubBase.invoke(Unknown Source)
   at ejb._RuleEngineEJB_DynamicStub.addRule(_RuleEngineEJB_DynamicStub.java)
   at org.apache.jsp.RuleEngineClient_jsp._jspService(RuleEngineClient_jsp.java:92)
   at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:105)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
   at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:336)
   at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)
   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:251)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:860)
   at sun.reflect.GeneratedMethodAccessor104.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:324)
   at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
   at java.security.AccessController.doPrivileged(Native Method)
   at javax.security.auth.Subject.doAsPrivileged(Subject.java:500)
   at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
   at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
   at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
   at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
   at java.security.AccessController.doPrivileged(Native Method)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
   at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
   at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
   at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
   at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:184)
   at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:653)
   at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:534)
   at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doTask(ProcessorTask.java:403)
   at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:55)
Caused by: java.lang.NoClassDefFoundError
   at net.sf.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:796)
   at ejb.RuleEngineEJBBean.ejbCreate(RuleEngineEJBBean.java:150)
   ... 55 more
|#]


Sorry, I posted this message in the wrong forum. That's why I post It here again.

Thanks in advance...
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MichaelG
 Post subject: Re: NoClassDefFound in buildSessionFactory
PostPosted: Fri Jan 14, 2005 10:03 pm 
Newbie

Joined: Tue Sep 14, 2004 5:57 pm
Posts: 6
Location: Sunnyvale
Configuration.java:796 is

return new SessionFactoryImpl(this, settings);

So if you got NoClassDef here, that would suggest that the class net.sf.hibernate.impl.SessionFactoryImpl was not found in your classpath (and the call was done through reflection, so it became a runtime problem.) Very strange given that both it and the Configuration interface are in the hibernate jar.
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emmanuel
 Post subject:
PostPosted: Mon Jan 17, 2005 1:42 pm 
Hibernate Team
Hibernate Team

Joined: Sun Sep 14, 2003 3:54 am
Posts: 7256
Location: Paris, France
SessionFactoryImpl is not the problem.
Be sure to read and follow the lib/readme.txt
esp odmg and ehcache are required in you CP

_________________
Emmanuel

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