[jboss-user] [Snowdrop] - Re: Class loader issues

Holger L do-not-reply at jboss.com
Wed Jan 2 01:05:33 EST 2013


Holger L [https://community.jboss.org/people/holger.lierse] created the discussion

"Re: Class loader issues"

To view the discussion, visit: https://community.jboss.org/message/786998#786998

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Hello,

Does the snowdrop module also look at the EAR lib directory of an application and includes its classpath? I've got an EAR app which uses the old fashion Hibernate3 (org.springframework.orm.hibernate3.LocalSessionFactoryBean). The deployment fails on a ClassNotFoundException:

Caused by: java.lang.NoClassDefFoundError
          at org.springframework.orm.hibernate3.LocalSessionFactoryBean.class$(LocalSessionFactoryBean.java:174)
          at org.springframework.orm.hibernate3.LocalSessionFactoryBean.<init>(LocalSessionFactoryBean.java:174)
          at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [rt.jar:1.6.0_31]
          at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) [rt.jar:1.6.0_31]
          at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) [rt.jar:1.6.0_31]
          at java.lang.reflect.Constructor.newInstance(Constructor.java:513) [rt.jar:1.6.0_31]
          at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:100)
          ... 24 more
Caused by: java.lang.ClassNotFoundException: org.hibernate.cfg.Configuration from [Module "org.springframework.spring:snowdrop" from local module loader @7f56b6b9]
          at org.jboss.modules.ModuleClassLoader.findClass(ModuleClassLoader.java:190)
          at org.jboss.modules.ConcurrentClassLoader.performLoadClassUnchecked(ConcurrentClassLoader.java:468)

The EAR/lib dire contains the hibernate-core (which contains org.hibernate.cfg.Configuration) and I've added the org.hibernate exclusion to the deployment structure.

Any help would be appreciated.

Thanks
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