custom par migration issue from 7.0 to 7.4

Hi experts,

As we are upgrading from portal 7.0 to 7.4 , we have to migrate all custom par to war/ear.

I have migrated all custom to ear from par migratation tool.

but i am facing a problem when i import the migrated ear in nwds 7.31.

error is

1.Can not find the tag library descriptor for "tagLib"

code such as

<%@ taglib uri= "tagLib" prefix="hbj" %>

2.componentRequest cannot be resolved

code such as

com.sapportals.portal.prt.resource.IResource myResource1= componentRequest.getResource(com.sapportals.portal.prt.resource.IResource.IMAGE,"images/ico12_treeleaf.jpg");

java.lang.String url1=myResource1.getResourceInformation().getURL(componentRequest);

and import are

<%@page import = "com.sap.security.api.IUser" %>

<%@page import = "com.sap.security.api.UMException" %>

<%@page import = "com.sap.security.api.umap.IUserMappingData" %>

<%@page import = "com.sapportals.portal.prt.component.*" %>

<%@page import = "com.sapportals.portal.prt.resource.IResource" %>

<%@page import = "com.sapportals.portal.prt.runtime.PortalRuntime" %>

<%@page import = "javax.servlet.http.HttpSession" %>

<%@page import = "com.sap.ip.portal.service.ume.IUserManagementEngine" %>

<%@page import = "java.util.*" %>

Please help