RE: ClassLoading problem

[balaji.saranathan]

Hi,

 

I guess I have some more problems here. We use acegi-security(depends on spring.jar) and depend on container level contexts for addressing certain security requirements. Therefore spring.jar is loaded from the common/lib directory. Now bundling myfaces along with my app seems to lead to some classloader problems integrating with spring beans :-(

 

The curious part is that I had the same working with SUN RI jar files in the common/lib directory. When I moved to MyFaces, I thought it would be as easy to replace the jar files and make changes to the taglib imports. Seems like I need to do more homework on this classloading issue.

 

Balaji Saranathan

Wipro Technologies

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From: Wayne Fay [mailto:[EMAIL PROTECTED]
Sent: Wednesday, November 16, 2005 9:42 PM
To: MyFaces Discussion
Subject: Re: ClassLoading problem

Be sure to shut down jboss, then delete the various jars including anything in tmp/work, then restart and redeploy your app including the Myfaces jars...

 

Wayne

 

On 11/16/05, Marco Mistroni <[EMAIL PROTECTED]> wrote:

hello

 agree... got same error.... package your spring/myfaces/webapp files in your app and don't trust jboss....

more than that, delete your tmp/work directory to make sure...

once i struggled a day to find out where my app faces file were clashing......and found out that in tmp/work directory

i had old copies...

 

regards

 marco

 

On 11/16/05, Wayne Fay <[EMAIL PROTECTED]> wrote:

From the stack trace, I think your application is failing to find one of your Managed Beans specified in faces-config.xml. buildManagedBean is calling ClassUtils to find and instantiate the bean, but JBoss just can't find it, so it bombs out. I could easily be wrong, but that's what it looks like to me.

 

 at org.apache.myfaces.util.ClassUtils.classForName(ClassUtils.java:138)
 at org.apache.myfaces.util.ClassUtils.simpleClassForName(ClassUtils.java:157)
 at org.apache.myfaces.util.ClassUtils.newInstance (ClassUtils.java:265)
 at org.apache.myfaces.config.ManagedBeanBuilder.buildManagedBean(ManagedBeanBuilder.java:49)
 

 

Also I generally suggest that you not use the JBoss MyFaces jar files and instead bundle each application with its own jars -- shared libs are great until you need NB 20051115 MyFaces for your app, and another person with a different application on your JBoss server says that anything after 1.1.1 breaks his app, now what do you do?

 

 

Wayne

 

On 11/16/05, [EMAIL PROTECTED] <[EMAIL PROTECTED] > wrote:

Hi,

 

I get such error in my application. MyFaces jar files are present under <Jboss>/server/default/lib directory whereas my beans are packaged in the web application. I suspect that to be the error, but jsut wanted to make sure , it is. Does anyone have any suggestion?

 

2005-11-16 20:08:54,015 ERROR [ClassUtils] Class com.nortel.ems.mgmt.linux.webInterface.UserManagementHandler not found
java.lang.ClassNotFoundException: No ClassLoaders found for: com.nortel.ems.mgmt.linux.webInterface.UserManagementHandler
 at org.jboss.mx.loading.LoadMgr3.beginLoadTask(LoadMgr3.java:198)
 at org.jboss.mx.loading.RepositoryClassLoader.loadClassImpl(RepositoryClassLoader.java :475)
 at org.jboss.mx.loading.RepositoryClassLoader.loadClass(RepositoryClassLoaderjava:377)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
 at java.lang.ClassLoader.loadClassInternal(ClassLoader.java :319)
 at java.lang.Class.forName0(Native Method)
 at java.lang.Class.forName(Class.java:242)
 at org.apache.myfaces.util.ClassUtils.classForName(ClassUtils.java:138)
 at org.apache.myfaces.util.ClassUtils.simpleClassForName (ClassUtils.java:157)
 at org.apache.myfaces.util.ClassUtils.newInstance(ClassUtils.java:265)
 at org.apache.myfaces.config.ManagedBeanBuilder.buildManagedBean(ManagedBeanBuilder.java:49)
 at org.apache.myfaces.el.VariableResolverImpl.resolveVariable (VariableResolverImpl.java:311)
 at org.springframework.web.jsf.DelegatingVariableResolver.resolveVariable(DelegatingVariableResolver.java:103)
 at org.springframework.web.jsf.DelegatingVariableResolver.resolveVariable (DelegatingVariableResolver.java:103)
 at org.apache.myfaces.el.ValueBindingImpl$ELVariableResolver.resolveVariable(ValueBindingImpl.java:571)
 at org.apache.commons.el.NamedValue.evaluate(NamedValue.java:124)
 at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:140)
 at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java

 

Thanks

Balaji Saranathan

Wipro Technologies

-----------------------------------------------------

ESN:  6  877 8715

Tel :   91 80 2852 0408 * 82333

Fax :  91 80 5138 1761

Cell :  91 98868 61757

 

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