Java error while installing webapps

System

Hi
getting Java Exception error while trying to rebuild webapps...Is someone has faced same kind of Java Exception...

/iw-home/iw-perl/bin/iwperl install_webapps.ipl -i -f -jsp_precompile
Stopping Interwoven UI services... done.
Removing webapp content_center... done.
Installing [ base.tk.war teamsite.tk.war vpreview.tk.war ccpro.tk.war formspub.tk.war teamsite_admin.tk.war ccstd.tk.war transform.tk.war search.tk.war metadata.tk.war vannotate.tk.war reporting.tk.war customer.tk.war ] as webapp content_center... Exception in thread "main" java.lang.NoClassDefFoundError: org/xml/sax/ext/EntityResolver2
at org.apache.xerces.parsers.DOMParser.setEntityResolver(Unknown Source)
at org.apache.xerces.jaxp.DocumentBuilderImpl.setEntityResolver(Unknown Source)
at com.interwoven.webapp.WebXMLMunger.setValidating(WebXMLMunger.java:242)
at com.interwoven.webapp.WebXMLMunger.(WebXMLMunger.java:157)
at com.interwoven.webapp.WebXMLMunger.(WebXMLMunger.java:137)
at com.interwoven.webapp.PhantomWebapp.(PhantomWebapp.java:39)
at com.interwoven.webapp.WebappMunger.(WebappMunger.java:46)
at com.interwoven.webapp.WebappMunger.main(WebappMunger.java:192)

Configuring JSPs... Missing directory /iw-althome/httpd/webapps/content_center/WEB-INF!
OK.
Executing /iw-althome/httpd/webapps/installinfo/reporting.tk/WEB-INF/post-install_webapp.ipl
Copying /iw-althome/private/lib/content_center/installer_config/reporting/reporting_config.xml to /iw-althome/httpd/webapps/content_center/WEB-INF/conf/reporting
Cannot open docket file: /iw-althome/httpd/webapps/content_center/META-INF/base.docket.xml at /iw-althome/iw-perl/vendor/lib/TeamSite/Docket.pm line 160.