Error while defining class due to PARENT_FIRST class loader

[Nitesh Patel]

Hi All,

I am facing error when I try to deploy my MAXIMO.ear file to WAS. I have add one custom class as below location, and ideally it should work but I am getting class loader erorr.
My classes are at below location,

maximo\maximouiweb\webmodule\WEB-INF\classes
with package "customapp\dialog\MyDialogBean.class" & reference class is at "psdi\webclient\system\beans\DataBean.class".

Below is error into log file,

28/09/10 12:47:41:015 BST] 00000055 SystemErr     R java.lang.NoClassDefFoundError: Error while defining class: customapp.dialog.MyDialogBean
This error indicates that the class: psdi.webclient.system.beans.DataBean
could not be located while defining the class: customapp.dialog.MyDialogBean
This is often caused by having the class at a higher point in the classloader hierarchy
Dumping the current context classloader hierarchy:
    ==> indicates defining classloader
    *** indicates classloader where the missing class could have been found
***[0] 
com.ibm.ws.classloader.CompoundClassLoader@13bc13bc
   Local ClassPath: C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war\WEB-INF\classes;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war\WEB-INF\lib\JAMon.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war\WEB-INF\lib\ncpro.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war\WEB-INF\lib\smartjcommon.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war\WEB-INF\lib\smartjpdf.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war\WEB-INF\lib\ssce.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war\WEB-INF\lib\WsaEJBDeployUtility.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war\WEB-INF\lib\xp.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\maximouiweb.war
   Delegation Mode: PARENT_FIRST
==>[1] 
com.ibm.ws.classloader.CompoundClassLoader@7a007a0
   Local ClassPath: C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\mboejb.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\businessobjects.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\properties.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\ldapbp.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\lucene-core-2.2.0.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\dlt.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\icu4j.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\rule_dlt.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\log4j-1.2.13.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\db2jcc.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\db2jcc_license_cu.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\oraclethin.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\Opta.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\idapi.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\xmlParserAPIs.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\acweb.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\commons-net-1.4.0.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\jsr181.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\remoteaccess.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\platform-model.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\ssh.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\api-client.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\api-dep.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\oal-api.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\oal-topomgr.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\oal-common.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\edm-server.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\mboejbclient.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\commonweb.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\k2client.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\lowagie.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\soap.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\axis2.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\jintegra.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\jdom.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\axis.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\axis-ant.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\commons-discovery.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\commons-logging.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\jaxrpc.jar;C:\Program Files\IBM\WebSphere\AppServer\profiles\ctgAppSrv01\installedApps\ctgCell01\MAXIMO.ear\lib\saaj.jar
   Delegation Mode: PARENT_FIRST
   [2] com.ibm.ws.classloader.ProtectionClassLoader@2c3e2c3e
   [3] com.ibm.ws.bootstrap.ExtClassLoader@57f057f0
   [4] org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader@170c170c
   [5] sun.misc.Launcher$AppClassLoader@5ce05ce0
   [6] sun.misc.Launcher$ExtClassLoader@7d087d08
---Original exception---
java.lang.NoClassDefFoundError: psdi.webclient.system.beans.DataBean
	at java.lang.ClassLoader.defineClassImpl(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:258)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:151)

Someone can help us?
Regards,
Nitesh