I have spent almost two days on this and it is driving me crazy. Perhaps someone can shed some light.
I am using Tomcat 6 or 5/Hibernate 3.0/MySQL in a Web Application. I am attempting to load up a Hibernate Factory and create a session for the very first time. However, for some reason, the class loader cannot find the file inside of the hibernate code
The exception is thrown stating it cannot find the lookup class "org.hibernate.transaction.CMTTransaction" but it clearly exists in the hibernate3.jar that is located in my WEB-INF/lib directory. In addition, just before I make the cfg.buildSessionFactory() call (which triggers this exception) I created a Class.forName("") and the class was found and created - so I know it can find it!
<?xml version='1.0' encoding='UTF-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<!-- Generated by MyEclipse Hibernate Tools. -->
<hibernate-configuration>
<session-factory>
<property name="connection.username">ggg</property>
<property name="connection.url">jdbc:mysql://1.2.3.4:3306/dropnow</property>
<property name="dialect">
org.hibernate.dialect.MySQLDialect
</property>
<property name="myeclipse.connection.profile">bbb</property>
<property name="connection.password">aaa</property>
<property name="connection.driver_class">
com.mysql.jdbc.Driver
</property>
<property name="hibernate.hbm2ddl.auto">update</property>
<property name="cache.provider_class">
org.hibernate.cache.EHCacheProvider
</property>
<property name="hibernate.transaction.manager_lookup_class">
org.hibernate.transaction.CMTTransaction
</property>
<property name="hibernate.transaction.factory_class">
org.hibernate.transaction.CMTTransactionFactory
</property>
<mapping resource="drop/hibernate/category/Category.hbm.xml" />
.. more
</session-factory>
</hibernate-configuration>
[/quote.
Full stack trace of any exception that occurs:Quote:
org.hibernate.HibernateException: Could not instantiate TransactionManagerLookup
at org.hibernate.transaction.TransactionManagerLookupFactory.getTransactionManagerLookup(TransactionManagerLookupFactory.java:47)
at org.hibernate.cfg.SettingsFactory.createTransactionManagerLookup(SettingsFactory.java:370)
at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:122)
at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1463)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1004)
at drop.hibernate.drop.DropHibernateFactory.getSessionFactory(DropHibernateFactory.java:90)
at drop.hibernate.drop.DropHibernateFactory.currentSession(DropHibernateFactory.java:117)
at drop.hibernate.HibernateSessionFactory.currentSession(HibernateSessionFactory.java:36)
at drop.service.category.impl.CategoryCacher.initialize(CategoryCacher.java:79)
at drop.service.category.impl.CategoryCacher.<init>(CategoryCacher.java:41)
at drop.service.category.impl.CategoryServiceImpl.<init>(CategoryServiceImpl.java:45)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:171)
at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:148)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:52)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:486)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:362)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:233)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:145)
at synergy.Synergy.findService(Synergy.java:30)
at dropnow.category.MainCategories.getArray(MainCategories.java:168)
at dropnow.category.MainCategories.getArray(MainCategories.java:155)
at dropnow.main.struts.form.MainForm.getMainCategories(MainForm.java:69)
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:585)
at org.apache.commons.beanutils.PropertyUtilsBean.invokeMethod(PropertyUtilsBean.java:1773)
at org.apache.commons.beanutils.PropertyUtilsBean.getSimpleProperty(PropertyUtilsBean.java:1132)
at org.apache.commons.beanutils.PropertyUtilsBean.getNestedProperty(PropertyUtilsBean.java:686)
at org.apache.commons.beanutils.PropertyUtilsBean.getProperty(PropertyUtilsBean.java:715)
at org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:290)
at org.apache.struts.taglib.TagUtils.lookup(TagUtils.java:1008)
at dropnow.tags.OptionsCollectionTagEx.doStartTag(OptionsCollectionTagEx.java:80)
at org.apache.jsp.WEB_002dINF.jsp.main.main_jsp._jspx_meth_html_005foptionsCollection_005f0(main_jsp.java:1761)
at org.apache.jsp.WEB_002dINF.jsp.main.main_jsp._jspx_meth_html_005fselect_005f0(main_jsp.java:1727)
at org.apache.jsp.WEB_002dINF.jsp.main.main_jsp._jspx_meth_html_005fform_005f0(main_jsp.java:1572)
at org.apache.jsp.WEB_002dINF.jsp.main.main_jsp._jspService(main_jsp.java:293)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:390)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:683)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:469)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:404)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1056)
at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:388)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:231)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1164)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:397)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:212)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:818)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:624)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)
at java.lang.Thread.run(Thread.java:595)
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