Thanks Andrus for your reply. I also thought like that after some more
debugging too.
Please let me know how can create/refer a Datasource for a cayenne JPA
sample. Does it related to org.apache.cayenne.jpa.jpaDataSourceFactory
property?
Is there any resource refer?
Thanks,
Lasantha
> Looks like some cross-ClassLoader issue in Geronimo. I don't think
> this is Cayenne related.
>
> Andrus
>
> On Feb 25, 2007, at 5:04 AM, Lasantha Ranaweera wrote:
>
>> Hi Cayenne Experts,
>>
>> Currently I have been hitting with a problem of ClassCastException
>> in my
>> first JPA program of Geronimo/Caynne integration. I am unable to
>> find out
>> the exact problem since my knowledge of Cayenne architecture is pretty
>> low. In the Geronimo side following is the line it gives this problem.
>>
>> Class clazz = classLoader.loadClass(persistenceProviderClassName);
>> PersistenceProvider persistenceProvider =
>> (PersistenceProvider)clazz.newInstance(); //here is the CCE Exception
>>
>> In Eclipse remote debugging enviroment it comes to Cayenne Provider
>> class
>> and it finishes default constructor without any errors. Does the
>> Cayenne
>> do anyting after creating the Provider instance when it comes to a
>> server
>> enviroment? I split two statements investigate more and list the
>> interfaces in clazz variable. It lists PersistenceProvider interface
>> correctly too. So I am wondering where is CCE occurs. I attached
>> the error
>> below but it doesn't give that much information. Any help please ...
>>
>> Additionally I didn't add any properties in persitence.xml file. I
>> want to
>> use Derby database to save JPA object too. Do I need to set
>> org.apache.cayenne.jpa.jpaDataSourceFactory property, then what is the
>> value it should be?
>>
>> <persistence xmlns="http://java.sun.com/xml/ns/persistence"
>> version="1.0">
>>
>> <persistence-unit transaction-type="RESOURCE_LOCAL"
>> name="openjpa-itest">
>> <provider>org.apache.cayenne.jpa.Provider</provider>
>> <class>org.apache.geronimo.itest.jpa.AllFieldTypes</class>
>> <exclude-unlisted-classes/>
>>
>> <properties>
>> <!--
>> <property
>> name="org.apache.cayenne.jpa.jpaDataSourceFactory"
>> value=""/>
>> -->
>> </properties>
>> </persistence-unit>
>> </persistence>
>>
>> Thanks,
>> Lasantha Ranaweera
>>
>> java.lang.ClassCastException: org.apache.cayenne.jpa.Provider
>> at
>> org.apache.geronimo.persistence.PersistenceUnitGBean.<init>
>> (PersistenceUnitGBean.java:102)
>> 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.apache.geronimo.gbean.runtime.GBeanInstance.createInstance
>> (GBeanInstance.java:936)
>> at
>> org.apache.geronimo.gbean.runtime.GBeanInstanceState.attemptFullStart(
>> GBeanInstanceState.java:267)
>> at
>> org.apache.geronimo.gbean.runtime.GBeanInstanceState.start
>> (GBeanInstanceState.java:102)
>> at
>> org.apache.geronimo.gbean.runtime.GBeanInstanceState.startRecursive
>> (GBeanInstanceState.java:124)
>> at
>> org.apache.geronimo.gbean.runtime.GBeanInstance.startRecursive
>> (GBeanInstance.java:543)
>> at
>> org.apache.geronimo.kernel.basic.BasicKernel.startRecursiveGBean
>> (BasicKernel.java:379)
>> at
>> org.apache.geronimo.kernel.config.ConfigurationUtil.startConfiguration
>> GBeans(ConfigurationUtil.java:434)
>> at
>> org.apache.geronimo.kernel.config.KernelConfigurationManager.start
>> (KernelConfigurationManager.java:188)
>> at
>> org.apache.geronimo.kernel.config.SimpleConfigurationManager.startConf
>> iguration(SimpleConfigurationManager.java:527)
>> at
>> org.apache.geronimo.kernel.config.SimpleConfigurationManager.startConf
>> iguration(SimpleConfigurationManager.java:508)
>> at
>> org.apache.geronimo.kernel.config.SimpleConfigurationManager$
>> $FastClassByCGLIB$$ce77a924.invoke(<generated>)
>> at net.sf.cglib.reflect.FastMethod.invoke(FastMethod.java:53)
>> at
>> org.apache.geronimo.gbean.runtime.FastMethodInvoker.invoke
>> (FastMethodInvoker.java:38)
>> at
>> org.apache.geronimo.gbean.runtime.GBeanOperation.invoke
>> (GBeanOperation.java:127)
>> at
>> org.apache.geronimo.gbean.runtime.GBeanInstance.invoke
>> (GBeanInstance.java:855)
>> at
>> org.apache.geronimo.kernel.basic.BasicKernel.invoke
>> (BasicKernel.java:239)
>> at
>> org.apache.geronimo.kernel.KernelGBean.invoke(KernelGBean.java:342)
>> at
>> org.apache.geronimo.kernel.KernelGBean$$FastClassByCGLIB$
>> $1cccefc9.invoke(<generated>)
>> at net.sf.cglib.reflect.FastMethod.invoke(FastMethod.java:53)
>> at
>> org.apache.geronimo.gbean.runtime.FastMethodInvoker.invoke
>> (FastMethodInvoker.java:38)
>> at
>> org.apache.geronimo.gbean.runtime.GBeanOperation.invoke
>> (GBeanOperation.java:127)
>> at
>> org.apache.geronimo.gbean.runtime.GBeanInstance.invoke
>> (GBeanInstance.java:855)
>> at
>> org.apache.geronimo.kernel.basic.BasicKernel.invoke
>> (BasicKernel.java:239)
>> at
>> org.apache.geronimo.system.jmx.MBeanGBeanBridge.invoke
>> (MBeanGBeanBridge.java:168)
>> at
>> com.sun.jmx.mbeanserver.DynamicMetaDataImpl.invoke
>> (DynamicMetaDataImpl.java:213)
>> at com.sun.jmx.mbeanserver.MetaDataImpl.invoke
>> (MetaDataImpl.java:220)
>> at
>> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke
>> (DefaultMBeanServerInterceptor.java:815)
>> at
>> com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:784)
>> at
>> javax.management.remote.rmi.RMIConnectionImpl.doOperation
>> (RMIConnectionImpl.java:1408)
>> at
>> javax.management.remote.rmi.RMIConnectionImpl.access$100
>> (RMIConnectionImpl.java:81)
>> at
>> javax.management.remote.rmi.RMIConnectionImpl
>> $PrivilegedOperation.run(RMIConnectionImpl.java:1245)
>> at java.security.AccessController.doPrivileged(Native Method)
>> at
>> javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation
>> (RMIConnectionImpl.java:1348)
>> at
>> javax.management.remote.rmi.RMIConnectionImpl.invoke
>> (RMIConnectionImpl.java:782)
>> 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
>> sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
>> at sun.rmi.transport.Transport$1.run(Transport.java:153)
>> at java.security.AccessController.doPrivileged(Native Method)
>> at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
>> at
>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:
>> 466)
>> at
>> sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run
>> (TCPTransport.java:707)
>> at java.lang.Thread.run(Thread.java:595)
>>
>>
>>
>>
>
>
This archive was generated by hypermail 2.0.0 : Mon Feb 26 2007 - 07:21:50 EST