Hi,

I am facing following error related to class loader :

2012-07-13 13:48:01,151 DEBUG [com.asite.ams.persistence.DMSJdbcDAOImpl$InsertUploadDocSP] (Thread-16) RdbmsOperation with SQL [saveUploadDoc] compiled
2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16) Exception in thread "Thread-16" java.lang.NoClassDefFoundError: org/jboss/virtual/VFS

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.core.io.AbstractFileResolvingResource$VfsResourceDelegate.getResource(AbstractFileResolvingResource.java:92)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.core.io.AbstractFileResolvingResource.getFile(AbstractFileResolvingResource.java:49)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.core.io.AbstractResource.exists(AbstractResource.java:51)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.jdbc.support.SQLErrorCodesFactory.<init>(SQLErrorCodesFactory.java:108)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.jdbc.support.SQLErrorCodesFactory.<clinit>(SQLErrorCodesFactory.java:68)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.setDataSource(SQLErrorCodeSQLExceptionTranslator.java:141)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.jdbc.support.SQLErrorCodeSQLExceptionTranslator.<init>(SQLErrorCodeSQLExceptionTranslator.java:104)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.jdbc.support.JdbcAccessor.getExceptionTranslator(JdbcAccessor.java:99)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:969)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.jdbc.core.JdbcTemplate.call(JdbcTemplate.java:1003)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.jdbc.object.StoredProcedure.execute(StoredProcedure.java:144)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.persistence.DMSJdbcDAOImpl$InsertUploadDocSP.insertUploadDocInfo(DMSJdbcDAOImpl.java:573)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.persistence.DMSJdbcDAOImpl.saveUploadDocs(DMSJdbcDAOImpl.java:499)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.bizlogic.IFCUtil.saveUploadDocs(IFCUtil.java:956)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.bizlogic.IFCFileMerger.mergeFiles(IFCFileMerger.java:340)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.bizlogic.utilhelper.AsiteUploadManager.uploadMergedRevision(AsiteUploadManager.java:425)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.bizlogic.utilhelper.AsiteUploadManager.storeModelFile(AsiteUploadManager.java:205)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.bizlogic.utilhelper.AsiteUploadManager$$FastClassByCGLIB$$bd9e8199.invoke(<generated>)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at net.sf.cglib.proxy.MethodProxy.invoke(MethodProxy.java:191)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:621)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.bizlogic.utilhelper.AsiteUploadManager$$EnhancerByCGLIB$$896d103c.storeModelFile(<generated>)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at com.asite.ams.upload.IFCFileUploadThread.run(IFCFileUploadThread.java:124)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16) Caused by: java.lang.ClassNotFoundException: org.jboss.virtual.VFS from BaseClassLoader@639facbc{vfs:///D:/jboss-6.0.0.Final/server/AMS/conf/jboss-service.xml}

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at org.jboss.classloader.spi.base.BaseClassLoader.loadClass(BaseClassLoader.java:480)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  at java.lang.ClassLoader.loadClass(ClassLoader.java:248)

2012-07-13 13:48:03,179 ERROR [STDERR] (Thread-16)  ... 22 more

Please advise, if anybody have any suggetions.

Paresh