Application transfer from Tomcat to Weblogic

Hi, I have an application that I'm running in tomcat and I think Tomcat server is not that stable for my application for it losses connection to the database after a while. I tried deploying my apps to Weblogic and I have bunch of errors.

'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101248> <[Application: 'C:\bea\user_projects\domains\ihcdev\applications' , Module: 'ICSM-NEW']: Deployment descriptor "web.xml" is malformed. Check against the DTD: org.xml.sax.SAXParseException: cvc-elt.1: Cannot find the declaration of element 'web-app'. (line 5, column 16).>
####<Oct 18, 2006 9:23:13 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101248> <[ServletContext(id=16296980,name=ICSM-NEW,context-path=/)]: Deployment descriptor "jar:file:C:\bea\user_projects\domains\ihcdev\.\ad min\.wlnotdelete\extract\admin_ICSM-NEW_ICSM-NEW\jarfiles\WEB-INF\lib\standard.jar!/META-INF/fn.tld" is malformed. Check against the DTD: cvc-elt.1: Cannot find the declaration of element 'taglib'. (line 6, column 17).>
####<Oct 18, 2006 9:23:13 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101248> <[ServletContext(id=16296980,name=ICSM-NEW,context-path=/)]: Deployment descriptor "jar:file:C:\bea\user_projects\domains\ihcdev\.\ad min\.wlnotdelete\extract\admin_ICSM-NEW_ICSM-NEW\jarfiles\WEB-INF\lib\standard.jar!/META-INF/x.tld" is malformed. Check against the DTD: cvc-elt.1: Cannot find the declaration of element 'taglib'. (line 6, column 19).>
####<Oct 18, 2006 9:23:13 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101248> <[ServletContext(id=16296980,name=ICSM-NEW,context-path=/)]: Deployment descriptor "jar:file:C:\bea\user_projects\domains\ihcdev\.\ad min\.wlnotdelete\extract\admin_ICSM-NEW_ICSM-NEW\jarfiles\WEB-INF\lib\standard.jar!/META-INF/c.tld" is malformed. Check against the DTD: cvc-elt.1: Cannot find the declaration of element 'taglib'. (line 6, column 19).>
####<Oct 18, 2006 9:23:13 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101248> <[ServletContext(id=16296980,name=ICSM-NEW,context-path=/)]: Deployment descriptor "jar:file:C:\bea\user_projects\domains\ihcdev\.\ad min\.wlnotdelete\extract\admin_ICSM-NEW_ICSM-NEW\jarfiles\WEB-INF\lib\standard.jar!/META-INF/permittedTaglibs.tld" is malformed. Check against the DTD: cvc-elt.1: Cannot find the declaration of element 'taglib'. (line 6, column 19).>
####<Oct 18, 2006 9:23:13 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101248> <[ServletContext(id=16296980,name=ICSM-NEW,context-path=/)]: Deployment descriptor "jar:file:C:\bea\user_projects\domains\ihcdev\.\ad min\.wlnotdelete\extract\admin_ICSM-NEW_ICSM-NEW\jarfiles\WEB-INF\lib\standard.jar!/META-INF/sql.tld" is malformed. Check against the DTD: cvc-elt.1: Cannot find the declaration of element 'taglib'. (line 6, column 19).>
####<Oct 18, 2006 9:23:13 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101248> <[ServletContext(id=16296980,name=ICSM-NEW,context-path=/)]: Deployment descriptor "jar:file:C:\bea\user_projects\domains\ihcdev\.\ad min\.wlnotdelete\extract\admin_ICSM-NEW_ICSM-NEW\jarfiles\WEB-INF\lib\standard.jar!/META-INF/scriptfree.tld" is malformed. Check against the DTD: cvc-elt.1: Cannot find the declaration of element 'taglib'. (line 6, column 19).>
####<Oct 18, 2006 9:23:13 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101248> <[ServletContext(id=16296980,name=ICSM-NEW,context-path=/)]: Deployment descriptor "jar:file:C:\bea\user_projects\domains\ihcdev\.\ad min\.wlnotdelete\extract\admin_ICSM-NEW_ICSM-NEW\jarfiles\WEB-INF\lib\standard.jar!/META-INF/fmt.tld" is malformed. Check against the DTD: cvc-elt.1: Cannot find the declaration of element 'taglib'. (line 6, column 19).>
####<Oct 18, 2006 9:23:14 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101162> <User defined listener org.springframework.web.context.ContextLoaderListe ner failed: org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is java.lang.ExceptionInInitializerError: null.>
####<Oct 18, 2006 9:23:14 AM MDT> <Warning> <HTTP> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-101162> <User defined listener org.springframework.web.context.ContextLoaderListe ner failed: org.springframework.beans.factory.BeanCreationExce ption: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Initialization of bean failed; nested exception is java.lang.ExceptionInInitializerError: null.>
####<Oct 18, 2006 9:23:15 AM MDT> <Warning> <Deployer> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-149004> <Failures were detected while initiating Deploy task for application ICSM-NEW.>
####<Oct 18, 2006 9:23:15 AM MDT> <Error> <Deployer> <67FCZ81> <admin> <ExecuteThread: '1' for queue: 'weblogic.kernel.System'> <<WLS Kernel>> <> <BEA-149201> <Failed to complete the deployment task with ID 0 for the application ICSM-NEW.

What do I need to change in my application to make it run in Weblogic? Do I have a have a new library in my Weblogic server to make it compatible with spring?